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Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step1//! The MCP server's tools: a few resource tools, each with an `action`.
2//!
3//! Every operation is one action of one tool. A call is dispatched to the
4//! operation it names, so permissions, the audit log, billing and outcomes
5//! are exactly those of the REST API. A token sees only the actions its
6//! scopes allow, and a tool none of whose actions it may use is not listed.
7//!
8//! The listed input schema is one flat object: `action`, then every field
9//! any of its actions takes. Which fields each action needs is in the
10//! `action` field's description and checked on every call. Claude's API,
11//! and so most MCP clients, refuse a tool whose input schema has `oneOf`
12//! at its top level, so the schema keyed by action, with each action's
13//! required fields, is [`discriminated`], published on the server's card
14//! and in the docs.
15
16use g1t_contracts::credentials::NEVER;
17use g1t_contracts::identity::AgentScope;
18use g1t_contracts::scopes::{Level, NO_SCOPE, TokenAccess, scope_for};
19use serde_json::{Map, Value, json};
20
Merge branch 'main' into worktree-agent-a69aeabc4b0deeb9721use crate::about::AboutOp;
Actions: OIDC tokens, the toolkit's cache and artifact services, and artifacts in R222use crate::artifacts::ArtifactsOp;
Merge branch 'main' into worktree-agent-a69aeabc4b0deeb9723use crate::deployments::DeploymentsOp;
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step24use crate::operations::Op;
Merge checks: statuses and check runs on every commit25use crate::checks::ChecksOp;
Merge rulesets: branch and tag rules, agent-first, enforced on push and merge26use crate::rules::RulesOp;
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar27use crate::security::SecurityOp;
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step28
29pub struct Action {
30 pub name: &'static str,
31 pub op: Op,
32 /// One line, for the `action` field's description.
33 pub summary: &'static str,
34}
35
36pub struct Tool {
37 pub name: &'static str,
38 pub title: &'static str,
39 /// What it is for, in a sentence or two.
40 pub description: &'static str,
41 pub actions: &'static [Action],
42 /// The action a call without one runs.
43 pub default_action: Option<&'static str>,
44}
45
46const fn a(name: &'static str, op: Op, summary: &'static str) -> Action {
47 Action { name, op, summary }
48}
49
50pub const TOOLS: &[Tool] = &[
51 Tool {
52 name: "search",
53 title: "Search",
54 description: "Find things. `code` (the default) searches all of g1t you can see: repositories, code, issues, pull requests and people, with qualifiers like repo:owner/name, language:rust, is:issue. `context` searches one workspace's catalog, docs, issues and memory by meaning.",
55 default_action: Some("code"),
56 actions: &[
57 a("code", Op::Search, "Search all of g1t: repositories, code, issues, pull requests, people"),
58 a("context", Op::SearchContext, "Search a workspace's context hub by meaning"),
59 a("entity", Op::GetEntity, "One catalog entry and its relations"),
60 a("ticket", Op::GetContext, "A Jira, Linear or Sentry item the work refers to, as it is now"),
61 ],
62 },
63 Tool {
64 name: "repository",
65 title: "Repositories",
Merge branch 'main' into worktree-agent-a69aeabc4b0deeb9766 description: "Repositories: find, read and create them, change their settings and rulesets (what may happen to branches and tags, and what a pull request needs to merge), check their CODEOWNERS file, manage their labels and milestones, see and dismiss their security alerts (secrets and vulnerable dependencies), read what their default branch says (languages, contributors, license), star them, and publish releases. Name one as \"owner/name\". Deleting, transferring and changing visibility need `confirm`.",
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step67 default_action: None,
68 actions: &[
69 a("list", Op::ListRepos, "Repositories you can see"),
70 a("get", Op::GetRepo, "One repository"),
71 a("create", Op::CreateRepo, "Create one, empty or copied from a public git URL"),
72 a("update", Op::UpdateRepo, "Change description, website, topics, default branch, protection"),
Merge rulesets: branch and tag rules, agent-first, enforced on push and merge73 a("get_settings", Op::GetRepoSettings, "How pull requests merge, and the default branch's protection as its rules stack"),
74 a("update_settings", Op::UpdateRepoSettings, "Change how pull requests merge and the default branch protection ruleset"),
75 a("check_names", Op::ListCheckNames, "Check names reported lately, to require in a ruleset"),
76 a("list_rulesets", Op::Rules(RulesOp::ListRepoRulesets), "Its rulesets, and its workspace's that hold in it"),
77 a("get_ruleset", Op::Rules(RulesOp::GetRepoRuleset), "One ruleset"),
78 a("create_ruleset", Op::Rules(RulesOp::CreateRepoRuleset), "Create a ruleset for its branches or tags"),
79 a("update_ruleset", Op::Rules(RulesOp::UpdateRepoRuleset), "Change a ruleset"),
80 a("delete_ruleset", Op::Rules(RulesOp::DeleteRepoRuleset), "Delete a ruleset"),
81 a("branch_rules", Op::Rules(RulesOp::GetBranchRules), "Every rule that holds for a branch or tag, and where it comes from"),
82 a("rule_evaluations", Op::Rules(RulesOp::ListRuleEvaluations), "How its rules judged pushes and merges, with insights"),
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar83 a("codeowners", Op::GetCodeownersErrors, "Problems in its CODEOWNERS file, by line"),
84 a("list_labels", Op::ListLabels, "Labels, with colors and how many issues and pull requests carry each"),
85 a("create_label", Op::CreateLabel, "Create a label"),
86 a("update_label", Op::UpdateLabel, "Rename a label or change its color or description"),
87 a("delete_label", Op::DeleteLabel, "Delete a label, from everything that carries it"),
88 a("add_default_labels", Op::AddDefaultLabels, "Add the default labels it is missing"),
89 a("list_milestones", Op::ListMilestones, "Milestones, with progress and due dates"),
90 a("get_milestone", Op::GetMilestone, "One milestone with its issues and pull requests"),
91 a("create_milestone", Op::CreateMilestone, "Create a milestone"),
92 a("update_milestone", Op::UpdateMilestone, "Change a milestone's title, description, due date or state"),
93 a("delete_milestone", Op::DeleteMilestone, "Delete a milestone"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step94 a("list_events", Op::ListEvents, "Timeline: pushes, issues, pull requests, comments"),
Merge branch 'main' into worktree-agent-a69aeabc4b0deeb9795 a("languages", Op::About(AboutOp::GetLanguages), "Its languages by bytes, with colors and percentages"),
96 a("contributors", Op::About(AboutOp::ListContributors), "Who made it: commits per person, agent and author, by week"),
97 a("license", Op::About(AboutOp::GetLicense), "The license its LICENSE file holds"),
98 a("stargazers", Op::About(AboutOp::ListStargazers), "Who starred it"),
99 a("starred", Op::About(AboutOp::CheckStarred), "Whether you starred it, and how many have"),
100 a("star", Op::About(AboutOp::Star), "Star it"),
101 a("unstar", Op::About(AboutOp::Unstar), "Take your star back"),
102 a("list_starred", Op::About(AboutOp::ListStarred), "Repositories you starred"),
103 a("list_releases", Op::About(AboutOp::ListReleases), "Releases, newest first"),
104 a("latest_release", Op::About(AboutOp::GetLatestRelease), "The latest release"),
105 a("get_release", Op::About(AboutOp::GetRelease), "One release by id"),
106 a("get_release_by_tag", Op::About(AboutOp::GetReleaseByTag), "The release of a tag"),
107 a("create_release", Op::About(AboutOp::CreateRelease), "Publish a release of a tag, making the tag if needed"),
108 a("update_release", Op::About(AboutOp::UpdateRelease), "Change a release's title, notes, draft or prerelease"),
109 a("delete_release", Op::About(AboutOp::DeleteRelease), "Delete a release; its tag stays"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step110 a("rename_branch", Op::RenameBranch, "Rename a branch"),
111 a("rename", Op::RenameRepo, "Rename it; old addresses redirect"),
112 a("transfer", Op::TransferRepo, "Move it to another workspace you own"),
113 a("archive", Op::ArchiveRepo, "Make it read-only"),
114 a("unarchive", Op::UnarchiveRepo, "Make it writable again"),
115 a("set_visibility", Op::SetRepoVisibility, "Make it public or private"),
116 a("delete", Op::DeleteRepo, "Delete it; restorable for 30 days"),
117 a("list_deleted", Op::ListDeletedRepos, "A workspace's deleted repositories"),
118 a("restore", Op::RestoreRepo, "Restore a deleted one"),
119 a("purge", Op::PurgeRepo, "Remove a deleted one for good"),
Git storage hardened, pages in tens of milliseconds, honest security alerts, and costs reconciled daily120 a("security_alerts", Op::ListSecurityAlerts, "Secret and dependency alerts, filtered by state"),
121 a("dismiss_alert", Op::DismissSecurityAlert, "Dismiss an alert with a reason"),
122 a("reopen_alert", Op::ReopenSecurityAlert, "Reopen a dismissed alert"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step123 ],
124 },
125 Tool {
126 name: "issue",
127 title: "Issues",
128 description: "Issues: what should change. Read one before working on it to see the pull requests already made for it. Issues and pull requests share numbers; `comment` works on either.",
129 default_action: None,
130 actions: &[
131 a("list", Op::ListIssues, "Issues on a repository, newest first"),
Fast pages, required checks on the branch, self-hosted runners, honest incidents132 a("get", Op::GetIssue, "One issue with comments and its pull requests"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step133 a("create", Op::CreateIssue, "Open an issue"),
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar134 a("update", Op::UpdateIssue, "Change title, body, labels, milestone or assignees"),
135 a("labels", Op::ListIssueLabels, "The labels an issue or pull request carries"),
136 a("add_labels", Op::AddIssueLabels, "Add labels to an issue or pull request"),
137 a("set_labels", Op::SetIssueLabels, "Replace the labels of an issue or pull request"),
138 a("remove_labels", Op::RemoveIssueLabels, "Take labels off an issue or pull request"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step139 a("close", Op::CloseIssue, "Close it without a pull request"),
140 a("reopen", Op::ReopenIssue, "Reopen it"),
141 a("comment", Op::AddComment, "Comment on an issue or pull request; path and line for one line of a change"),
142 a("import", Op::ImportIssue, "Open an issue from a Jira, Linear or Sentry item"),
143 ],
144 },
145 Tool {
146 name: "pull_request",
147 title: "Pull requests",
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar148 description: "Pull requests: start a change for an issue, record your session, mark it ready, ask people and teams to review, review and merge. Read `overlaps` and `behind` on `get` before going far, and `code_owners` for whose approval it needs.",
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step149 default_action: None,
150 actions: &[
151 a("list", Op::ListPullRequests, "Pull requests on a repository, newest first"),
Fast pages, required checks on the branch, self-hosted runners, honest incidents152 a("get", Op::GetPullRequest, "Status, checks and required checks, reviews, overlaps, whether it is behind"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step153 a("changes", Op::GetPullRequestChanges, "Files and line-by-line diff"),
154 a("create", Op::CreatePullRequest, "Start a draft with its own fork to push to, or open one from a pushed branch"),
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar155 a("update", Op::UpdatePullRequest, "Change its base branch, labels, milestone, assignees or reviewers"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step156 a("record_session", Op::RecordSession, "Append prompt, reasoning and tool entries to its session"),
157 a("read_session", Op::ReadSession, "Its recorded session"),
158 a("ready", Op::MarkPullRequestReady, "Mark a draft ready, with a summary"),
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar159 a("request_reviewers", Op::RequestReviewers, "Ask people or teams to review it"),
160 a("remove_requested_reviewers", Op::RemoveRequestedReviewers, "Stop asking people or teams to review it"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step161 a("review", Op::ReviewPullRequest, "Approve or request changes"),
162 a("close", Op::ClosePullRequest, "Close without merging"),
163 a("merge", Op::MergePullRequest, "Land it, or join the merge queue"),
164 a("merge_queue", Op::GetMergeQueue, "The repository's merge queue"),
165 ],
166 },
167 Tool {
168 name: "agent",
169 title: "g1t agents",
170 description: "Put g1t's agent to work and talk to it. One agent per issue; to do more at once, use more issues. Starting an agent uses the workspace's money.",
171 default_action: None,
172 actions: &[
173 a("delegate", Op::Delegate, "Open an issue and put an agent on it in one step"),
174 a("assign", Op::AssignIssue, "Put an agent on an existing issue"),
175 a("message", Op::MessageAgent, "Tell the agent on a pull request something, or ask another agent"),
176 a("answer", Op::AnswerMessage, "Answer a question or handoff sent to you"),
177 a("take_messages", Op::TakeMessages, "For a g1t agent: messages not seen yet"),
178 ],
179 },
180 Tool {
181 name: "plan",
182 title: "Plans",
Fast pages, required checks on the branch, self-hosted runners, honest incidents183 description: "Turn an outcome into issues: an agent proposes them with what done means and their dependencies; nothing opens until you apply the plan.",
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step184 default_action: None,
185 actions: &[
186 a("create", Op::PlanWork, "Ask an agent for a plan; read it with get until ready"),
187 a("get", Op::GetPlan, "A plan and the issues it proposes"),
188 a("apply", Op::ApplyPlan, "Open its issues; with assign, agents start in dependency order"),
189 ],
190 },
191 Tool {
192 name: "memory",
193 title: "Memory",
194 description: "What the project and its workspace remember for the next agent: how to build, conventions, decisions, traps. Recall before you start; remember one short fact at a time, never a secret.",
195 default_action: None,
196 actions: &[
197 a("recall", Op::Recall, "Search memory, or list it all"),
198 a("remember", Op::Remember, "Save one fact"),
199 ],
200 },
201 Tool {
202 name: "workflow",
203 title: "Workflows",
Actions: OIDC tokens, the toolkit's cache and artifact services, and artifacts in R2204 description: "GitHub Actions workflows from .g1t/workflows: their runs, jobs and logs, and running, cancelling or rerunning them. Runs' artifacts: listing, a download link, deleting, and how long they are kept. Deployments wherever they run (reported from any CI, made by jobs with an `environment:`, or built on g1t.page), their statuses and environments, and reporting your own. Checks on commits: statuses, check runs (a g1t Actions job is one) and check suites, to read where a commit stands or report on it from CI or an integration. Also the self-hosted runners they run on: a workspace's (`workspace`) or a repository's own (`repo`), their groups, and where agent work runs.",
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step205 default_action: None,
206 actions: &[
207 a("list", Op::ListWorkflows, "Workflows on the default branch"),
208 a("list_runs", Op::ListWorkflowRuns, "Runs, newest first"),
209 a("get_run", Op::GetWorkflowRun, "One run with its jobs and steps"),
210 a("job_logs", Op::GetJobLogs, "A job's log after a sequence number"),
211 a("dispatch", Op::DispatchWorkflow, "Run a workflow_dispatch workflow"),
212 a("cancel", Op::CancelWorkflowRun, "Cancel a run"),
213 a("rerun", Op::RerunWorkflowRun, "Run a finished run again"),
214 a("update", Op::UpdateWorkflow, "Turn a workflow on or off"),
Actions: OIDC tokens, the toolkit's cache and artifact services, and artifacts in R2215 a("list_artifacts", Op::Artifacts(ArtifactsOp::ListArtifacts), "A repository's artifacts, newest first; or a run's with run_artifacts"),
216 a("run_artifacts", Op::Artifacts(ArtifactsOp::ListRunArtifacts), "One run's artifacts"),
217 a("get_artifact", Op::Artifacts(ArtifactsOp::GetArtifact), "One artifact: size, digest, expiry, run"),
218 a("download_artifact", Op::Artifacts(ArtifactsOp::DownloadArtifact), "A 10-minute link to an artifact's zip"),
219 a("delete_artifact", Op::Artifacts(ArtifactsOp::DeleteArtifact), "Delete an artifact before it expires"),
220 a("artifact_retention", Op::Artifacts(ArtifactsOp::GetArtifactRetention), "Days the repository keeps artifacts"),
221 a("set_artifact_retention", Op::Artifacts(ArtifactsOp::SetArtifactRetention), "Change the days the repository keeps artifacts"),
Merge checks: statuses and check runs on every commit222 a("combined_status", Op::Checks(ChecksOp::GetCombinedStatus), "A commit's statuses and the state they add up to"),
223 a("list_statuses", Op::Checks(ChecksOp::ListCommitStatuses), "A commit's statuses, newest first"),
224 a("set_status", Op::Checks(ChecksOp::CreateCommitStatus), "Set a status on a commit"),
225 a("list_check_runs", Op::Checks(ChecksOp::ListCheckRunsForRef), "A commit's check runs, g1t Actions jobs included"),
226 a("get_check_run", Op::Checks(ChecksOp::GetCheckRun), "One check run with its report"),
227 a("check_run_annotations", Op::Checks(ChecksOp::ListCheckRunAnnotations), "What a check run says about lines of files"),
228 a("create_check_run", Op::Checks(ChecksOp::CreateCheckRun), "Report a check run on a commit"),
229 a("update_check_run", Op::Checks(ChecksOp::UpdateCheckRun), "Move a check run on, complete it, add annotations"),
230 a("rerequest_check_run", Op::Checks(ChecksOp::RerequestCheckRun), "Ask for a check run to run again"),
231 a("list_check_suites", Op::Checks(ChecksOp::ListCheckSuitesForRef), "A commit's check suites, one per reporter or workflow run"),
232 a("get_check_suite", Op::Checks(ChecksOp::GetCheckSuite), "One check suite"),
233 a("rerequest_check_suite", Op::Checks(ChecksOp::RerequestCheckSuite), "Ask for a check suite to run again"),
Merge branch 'main' into worktree-agent-a69aeabc4b0deeb97234 a("list_deployments", Op::Deployments(DeploymentsOp::ListDeployments), "Deployments wherever they run, newest first, filtered"),
235 a("get_deployment", Op::Deployments(DeploymentsOp::GetDeployment), "One deployment with every status it has had"),
236 a("create_deployment", Op::Deployments(DeploymentsOp::CreateDeployment), "Report a deployment of a ref to an environment"),
237 a("deployment_statuses", Op::Deployments(DeploymentsOp::ListDeploymentStatuses), "A deployment's statuses, newest first"),
238 a("create_deployment_status", Op::Deployments(DeploymentsOp::CreateDeploymentStatus), "Report where a deployment is: in_progress, success, failure"),
239 a("list_environments", Op::Deployments(DeploymentsOp::ListEnvironments), "Environments with their current and latest deployments"),
240 a("get_environment", Op::Deployments(DeploymentsOp::GetEnvironment), "One environment by name"),
Fast pages, required checks on the branch, self-hosted runners, honest incidents241 a("list_runners", Op::ListRunners, "Self-hosted runners, with status, labels and what each is doing"),
242 a("create_runner_token", Op::CreateRunnerRegistrationToken, "A one-hour token for g1t-runner register"),
243 a("remove_runner", Op::RemoveRunner, "Remove a self-hosted runner"),
244 a("list_runner_groups", Op::ListRunnerGroups, "A workspace's runner groups"),
245 a("create_runner_group", Op::CreateRunnerGroup, "Make a group, for some repositories"),
246 a("update_runner_group", Op::UpdateRunnerGroup, "Rename a group or change its repositories"),
247 a("delete_runner_group", Op::DeleteRunnerGroup, "Delete a group; its runners join the default"),
248 a("get_runner_settings", Op::GetRunnerSettings, "Where agent work runs; whether forks may use runners"),
249 a("update_runner_settings", Op::UpdateRunnerSettings, "Change them"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step250 ],
251 },
252 Tool {
253 name: "secret",
254 title: "Secrets and variables",
255 description: "A repository's or workspace's secrets and variables, read by workflows and deployments. Secret values are never returned.",
256 default_action: None,
257 actions: &[
258 a("list_secrets", Op::ListActionsSecrets, "Secrets, without values"),
259 a("set_secret", Op::SetActionsSecret, "Add or change a secret"),
260 a("delete_secret", Op::DeleteActionsSecret, "Remove a secret"),
261 a("list_variables", Op::ListActionsVariables, "Variables, with values"),
262 a("set_variable", Op::SetActionsVariable, "Add or change a variable"),
263 a("delete_variable", Op::DeleteActionsVariable, "Remove a variable"),
264 ],
265 },
266 Tool {
267 name: "webhook",
268 title: "Webhooks",
269 description: "HTTPS addresses sent signed events as they happen, for a repository or a whole workspace.",
270 default_action: None,
271 actions: &[
272 a("list", Op::ListWebhooks, "Webhooks, without secrets"),
273 a("create", Op::CreateWebhook, "Register one; a ping is sent"),
274 a("update", Op::UpdateWebhook, "Change address, events or active"),
275 a("delete", Op::DeleteWebhook, "Remove one"),
276 a("ping", Op::PingWebhook, "Send a ping"),
277 a("list_deliveries", Op::ListWebhookDeliveries, "Latest deliveries"),
278 a("redeliver", Op::RedeliverWebhook, "Send a delivery again"),
279 ],
280 },
281 Tool {
282 name: "access",
283 title: "Who has access",
284 description: "Who has access to a repository and with which role (read, triage, write, maintain, admin), outside collaborators, and a workspace's base permission.",
285 default_action: None,
286 actions: &[
287 a("list_collaborators", Op::ListCollaborators, "Everyone with a role, and pending invitations"),
288 a("get_permission", Op::GetCollaboratorPermission, "One person's role and capabilities"),
289 a("add_collaborator", Op::AddCollaborator, "Give someone a role, by username or email"),
290 a("update_collaborator", Op::UpdateCollaborator, "Change a direct role"),
291 a("remove_collaborator", Op::RemoveCollaborator, "Take away a direct role"),
292 a("list_invitations", Op::ListRepoInvitations, "Pending invitations to a repository"),
293 a("revoke_invitation", Op::RevokeRepoInvitation, "Withdraw one"),
294 a("set_base_permission", Op::SetBasePermission, "What every member gets on each repository"),
295 a("list_outside_collaborators", Op::ListOutsideCollaborators, "People with roles who are not members"),
296 ],
297 },
298 Tool {
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar299 name: "team",
300 title: "Teams",
301 description: "Teams: groups of a workspace's members, given roles on repositories together, mentioned as @workspace/team and asked to review together. Name one by `workspace` and its slug (`team`). Any member may create a team; the workspace's owners and the team's maintainers manage it. A secret team is seen only by its people and the owners.",
302 default_action: None,
303 actions: &[
304 a("list", Op::ListTeams, "A workspace's teams you can see"),
305 a("get", Op::GetTeam, "One team"),
306 a("create", Op::CreateTeam, "Create a team; you become its maintainer"),
307 a("update", Op::UpdateTeam, "Change its name, slug, description, visibility, parent or notifications"),
308 a("delete", Op::DeleteTeam, "Delete it; its child teams move up"),
309 a("list_members", Op::ListTeamMembers, "Its people and their roles, child teams' with include_child_teams"),
310 a("set_member", Op::SetTeamMember, "Add a member of the workspace, or change their role"),
311 a("remove_member", Op::RemoveTeamMember, "Take someone out of it"),
312 a("list_child_teams", Op::ListChildTeams, "The teams nested under it"),
313 a("list_repos", Op::ListTeamRepos, "The repositories it has a role on"),
314 a("set_repo", Op::SetTeamRepo, "Give it a role on a repository"),
315 a("remove_repo", Op::RemoveTeamRepo, "Take its role on a repository away"),
316 a("set_review_assignment", Op::SetTeamReviewAssignment, "Whom it picks when asked to review"),
317 a("list_user_teams", Op::ListUserTeams, "The teams someone is in"),
318 ],
319 },
320 Tool {
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step321 name: "workspace",
322 title: "Workspaces",
Merge branch 'main' into worktree-agent-a69aeabc4b0deeb97323 description: "Workspaces own repositories (g1t.sh/{workspace}/{repo}): create, update or delete one, invite members, connect integrations and model providers, set rulesets that hold across its repositories, read and change its projects (what each is, where it runs, its links), and keep your own pinned projects at the top of its sidebar.",
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step324 default_action: None,
325 actions: &[
Merge branch 'worktree-agent-ad7c6d88d93adc817'326 a("get", Op::GetWorkspace, "A workspace's details and settings"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step327 a("create", Op::CreateWorkspace, "Create a workspace"),
Packages, with a container registry on g1t.sh; workspaces deleted whole and kept 30 days; Members for every member328 a("delete", Op::DeleteWorkspace, "Delete a workspace and everything in it (support can restore it for 30 days)"),
Merge branch 'worktree-agent-ad7c6d88d93adc817'329 a("update", Op::UpdateWorkspace, "Change its name, description, base permission or who may create teams"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step330 a("list_invites", Op::ListWorkspaceInvites, "Its invites"),
331 a("invite_member", Op::InviteMember, "Invite an email address"),
332 a("revoke_invite", Op::RevokeWorkspaceInvite, "Revoke a pending invite"),
333 a("list_integrations", Op::ListIntegrations, "Model providers, alert sources, trackers"),
334 a("connect_integration", Op::ConnectIntegration, "Connect one"),
AI Gateway: OpenAI's format, open models, and your own providers335 a("update_integration", Op::UpdateIntegration, "Change one: rotate its key, choose its AI Gateway models"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step336 a("disconnect_integration", Op::DisconnectIntegration, "Remove one"),
337 a("test_integration", Op::TestIntegration, "Check its credentials"),
338 a("get_model_routes", Op::GetModelRoutes, "Where each kind of work's model requests go"),
339 a("set_model_routes", Op::SetModelRoutes, "Replace them"),
Merge branch 'main' into worktree-agent-a69aeabc4b0deeb97340 a("list_projects", Op::ListProjects, "Its projects you can see: what each is, where it runs, its links"),
341 a("get_project", Op::GetProject, "One project"),
342 a("update_project", Op::UpdateProject, "Change a project's name, description, kind, where it runs or its links"),
API: pinned projects over REST and MCP343 a("list_pinned_projects", Op::ListPinnedProjects, "Your pinned projects in it, in your order"),
344 a("pin_project", Op::PinProject, "Pin a project, at a position or the end"),
345 a("unpin_project", Op::UnpinProject, "Unpin a project"),
346 a("reorder_pinned_projects", Op::ReorderPinnedProjects, "Put your pins in a new order"),
Merge rulesets: branch and tag rules, agent-first, enforced on push and merge347 a("list_rulesets", Op::Rules(RulesOp::ListWorkspaceRulesets), "Its rulesets, which hold across its repositories"),
348 a("get_ruleset", Op::Rules(RulesOp::GetWorkspaceRuleset), "One of its rulesets"),
349 a("create_ruleset", Op::Rules(RulesOp::CreateWorkspaceRuleset), "Create a ruleset for some or all of its repositories"),
350 a("update_ruleset", Op::Rules(RulesOp::UpdateWorkspaceRuleset), "Change one of its rulesets"),
351 a("delete_ruleset", Op::Rules(RulesOp::DeleteWorkspaceRuleset), "Delete one of its rulesets"),
352 a("rule_evaluations", Op::Rules(RulesOp::ListWorkspaceRuleEvaluations), "How rules judged changes across its repositories"),
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step353 ],
354 },
355 Tool {
Usage, Billing settings and prepaid AI credit; fixes from the UX audit356 name: "billing",
357 title: "Billing",
Merge the AI Gateway: Anthropic's Messages API on a workspace's tokens358 description: "A workspace's billing: its usage by product, project and day, its budget (the monthly spend limit, alerts and whether usage pauses at it), its AI credit, its invoices, and its AI Gateway requests. Amounts are whole millionths of a dollar (`_micros`), or cents (`_cents`) where named. Members read it; changing the budget and buying credit are for owners, as people, and never for g1t's agents.",
Usage, Billing settings and prepaid AI credit; fixes from the UX audit359 default_action: Some("usage"),
360 actions: &[
361 a("usage", Op::GetUsage, "Usage over a range of days, by product, meter, project and day, and what paid for it"),
362 a("budget", Op::GetBudget, "The monthly spend limit, what was spent, alerts and whether usage pauses at the limit"),
363 a("set_budget", Op::SetBudget, "Change the spend limit, alerts, pausing or the alert webhook"),
364 a("ai_credit", Op::GetAiCredit, "AI credit left, its grants, auto-reload and how to buy more"),
365 a("buy_ai_credit", Op::BuyAiCredit, "A payment page to buy AI credit, for a person to open"),
366 a("invoices", Op::ListInvoices, "Every invoice, the itemised usage invoices, and the next one so far"),
367 a("billing_details", Op::GetBillingDetails, "Who invoices are made out to and the payment method on file"),
Merge the AI Gateway: Anthropic's Messages API on a workspace's tokens368 a("gateway_requests", Op::ListGatewayRequests, "Recent AI Gateway requests: model, tokens, cost, status and token"),
Usage, Billing settings and prepaid AI credit; fixes from the UX audit369 ],
370 },
371 Tool {
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar372 name: "security",
373 title: "Security",
374 description: "A repository's security: secret scanning alerts and push protection bypasses, custom secret patterns, code scanning alerts and SARIF uploads, vulnerability alerts, the dependency graph and its SBOM, dependency review, settings, and a workspace's overview. Fix an alert with g1t. Findings are shown to those who can change the code only. Give `repo` (owner/name), or `workspace` for lists across one.",
375 default_action: Some("secret_alerts"),
376 actions: &[
377 a("secret_alerts", Op::Security(SecurityOp::ListSecretAlerts), "Secret scanning alerts; by state, secret_type, validity, bypassed"),
378 a("secret_alert", Op::Security(SecurityOp::GetSecretAlert), "One secret alert, with where it was found and its bypass requests"),
379 a("update_secret_alert", Op::Security(SecurityOp::UpdateSecretAlert), "Dismiss a secret alert with a reason, or reopen it"),
380 a("secret_locations", Op::Security(SecurityOp::ListSecretLocations), "Every file, line and commit a secret is in"),
381 a("bypass", Op::Security(SecurityOp::BypassPushProtection), "Push past push protection with a reason, or ask to"),
382 a("check_validity", Op::Security(SecurityOp::CheckSecretValidity), "Ask a secret's issuer whether it still works"),
383 a("bypass_requests", Op::Security(SecurityOp::ListBypassRequests), "A workspace's push protection bypass requests"),
384 a("review_bypass", Op::Security(SecurityOp::ReviewBypassRequest), "Approve, deny or cancel a bypass request"),
385 a("patterns", Op::Security(SecurityOp::ListCustomPatterns), "Custom secret patterns of a repository or workspace"),
386 a("create_pattern", Op::Security(SecurityOp::CreateCustomPattern), "Create a custom secret pattern, as a draft or published"),
387 a("update_pattern", Op::Security(SecurityOp::UpdateCustomPattern), "Change, publish or unpublish a custom pattern"),
388 a("delete_pattern", Op::Security(SecurityOp::DeleteCustomPattern), "Delete a custom pattern"),
389 a("dry_run_pattern", Op::Security(SecurityOp::DryRunCustomPattern), "Run a pattern over the default branch without saving it"),
390 a("code_alerts", Op::Security(SecurityOp::ListCodeAlerts), "Code scanning alerts; by state, severity, tool, rule_id"),
391 a("code_alert", Op::Security(SecurityOp::GetCodeAlert), "One code scanning alert by number"),
392 a("update_code_alert", Op::Security(SecurityOp::UpdateCodeAlert), "Dismiss a code scanning alert with a reason, or reopen it"),
393 a("analyses", Op::Security(SecurityOp::ListAnalyses), "Code scanning analyses, newest first"),
394 a("upload_sarif", Op::Security(SecurityOp::UploadSarif), "Upload a SARIF file, gzipped and base64-encoded"),
395 a("sarif_upload", Op::Security(SecurityOp::GetSarifUpload), "Whether a SARIF upload was read, and its analyses"),
396 a("vulnerability_alerts", Op::Security(SecurityOp::ListVulnerabilityAlerts), "Vulnerable dependencies; by state, severity, ecosystem, package"),
397 a("vulnerability_alert", Op::Security(SecurityOp::GetVulnerabilityAlert), "One vulnerability alert"),
398 a("update_vulnerability_alert", Op::Security(SecurityOp::UpdateVulnerabilityAlert), "Dismiss a vulnerability alert with a reason, or reopen it"),
399 a("fix", Op::Security(SecurityOp::FixAlert), "Put g1t on an issue to fix an alert"),
400 a("dependency_graph", Op::Security(SecurityOp::GetDependencyGraph), "Every package the lockfiles resolve, direct or transitive"),
401 a("sbom", Op::Security(SecurityOp::GetSbom), "The dependency graph as an SPDX 2.3 document"),
402 a("compare_dependencies", Op::Security(SecurityOp::CompareDependencies), "What changes in dependencies between base...head"),
403 a("settings", Op::Security(SecurityOp::GetSettings), "A repository's security settings"),
404 a("update_settings", Op::Security(SecurityOp::UpdateSettings), "Change when checks fail and dependency review's policy"),
405 a("workspace_settings", Op::Security(SecurityOp::GetWorkspaceSettings), "A workspace's delegated bypass and validity checks"),
406 a("update_workspace_settings", Op::Security(SecurityOp::UpdateWorkspaceSettings), "Turn delegated bypass or validity checks on or off"),
407 a("overview", Op::Security(SecurityOp::GetOverview), "A workspace's alerts, trends and coverage"),
408 ],
409 },
410 Tool {
API: notifications over REST and MCP, with notifications scopes411 name: "notifications",
412 title: "Notifications",
413 description: "Your inbox: what needs you, and what you follow. One thread per issue, pull request, workflow or deployment, with why you were told (`reason`): an agent waiting on you, a review asked of you, an assignment, a mention, your work's checks, or what you subscribe to and watch. Mark threads read or done once handled, and choose what you hear of with subscribe, unsubscribe and watch. Your own: a personal token.",
414 default_action: Some("list"),
415 actions: &[
416 a("list", Op::ListNotifications, "Unread threads, latest first; all, a view, a reason, a repository"),
417 a("get", Op::GetNotificationThread, "One thread with its recent activity and your subscription"),
418 a("mark_read", Op::MarkThreadRead, "Mark a thread read, or unread"),
419 a("mark_all_read", Op::MarkNotificationsRead, "Mark everything read up to a time, or one repository's"),
420 a("done", Op::MarkThreadDone, "Mark a thread done; new activity brings it back"),
421 a("save", Op::SaveThread, "Save a thread, or unsave it"),
422 a("snooze", Op::SnoozeThread, "Snooze a thread until a time, or bring it back"),
423 a("subscription", Op::GetThreadSubscription, "Your subscription to an issue or pull request"),
424 a("subscribe", Op::SetThreadSubscription, "Subscribe to an issue or pull request, or ignore it"),
425 a("unsubscribe", Op::DeleteThreadSubscription, "Unsubscribe until you comment or are mentioned"),
426 a("watching", Op::GetRepoSubscription, "How you watch a repository"),
427 a("watch", Op::SetRepoSubscription, "Watch a repository: participating, all, ignore or custom"),
428 a("unwatch", Op::DeleteRepoSubscription, "Stop watching a repository"),
429 a("watched", Op::ListWatchedRepos, "Repositories you watch other than the default way"),
430 ],
431 },
432 Tool {
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step433 name: "account",
434 title: "Your account",
435 description: "Who this token acts as and its workspaces (`whoami`), your email addresses, your invites, and invitations to repositories waiting for you.",
436 default_action: Some("whoami"),
437 actions: &[
438 a("whoami", Op::Whoami, "Who the token acts as, and its workspaces"),
439 a("list_emails", Op::ListEmails, "Your addresses"),
440 a("add_email", Op::AddEmail, "Add an address"),
441 a("remove_email", Op::RemoveEmail, "Remove an address"),
442 a("update_email_settings", Op::UpdateEmailSettings, "Primary, backup and privacy"),
443 a("list_invites", Op::ListInvites, "Your invites to g1t"),
444 a("create_invite", Op::CreateInvite, "Make an invite"),
445 a("revoke_invite", Op::RevokeInvite, "Revoke one"),
446 a("list_repository_invitations", Op::ListMyRepoInvitations, "Invitations to repositories for you"),
447 a("accept_repository_invitation", Op::AcceptRepoInvitation, "Accept one"),
448 a("decline_repository_invitation", Op::DeclineRepoInvitation, "Decline one"),
449 ],
450 },
451];
452
453/// Operations that cannot be undone, or reach beyond g1t's own records:
454/// clients ask before running a tool that has any of them.
455fn destructive(op: Op) -> bool {
456 matches!(
457 op,
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar458 Op::Security(SecurityOp::DeleteCustomPattern | SecurityOp::BypassPushProtection)
Merge rulesets: branch and tag rules, agent-first, enforced on push and merge459 | Op::Rules(RulesOp::DeleteRepoRuleset | RulesOp::DeleteWorkspaceRuleset)
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar460 | Op::DeleteWorkspace
Git storage hardened, pages in tens of milliseconds, honest security alerts, and costs reconciled daily461 | Op::UpdateWorkspace
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step462 | Op::DeleteRepo
463 | Op::PurgeRepo
464 | Op::TransferRepo
465 | Op::SetRepoVisibility
466 | Op::RemoveEmail
467 | Op::RemoveCollaborator
468 | Op::DisconnectIntegration
AI Gateway: OpenAI's format, open models, and your own providers469 | Op::UpdateIntegration
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step470 | Op::DeleteWebhook
471 | Op::DeleteActionsSecret
472 | Op::DeleteActionsVariable
473 | Op::SetActionsSecret
474 | Op::SetActionsVariable
475 | Op::SetModelRoutes
476 | Op::SetBasePermission
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar477 | Op::DeleteTeam
478 | Op::RemoveTeamRepo
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step479 | Op::MergePullRequest
Fast pages, required checks on the branch, self-hosted runners, honest incidents480 | Op::RemoveRunner
481 | Op::DeleteRunnerGroup
482 | Op::UpdateRunnerSettings
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step483 )
484}
485
486/// Whether an operation only reads.
487pub fn reads_only(op: Op) -> bool {
488 NO_SCOPE.contains(&op.name())
489 || scope_for(op.name()).is_some_and(|scope| scope.level() == Level::Read)
490}
491
492/// What decides which actions a caller sees.
493pub enum Gate<'a> {
494 /// No limit beyond the person's own role.
495 Everything,
496 /// A g1t agent's token: the operations its run lists.
497 Agent(&'a AgentScope),
498 /// An access token with scopes.
499 Token(&'a TokenAccess),
500}
501
502impl Gate<'_> {
503 pub fn allows(&self, op: Op) -> bool {
504 match self {
505 Gate::Everything => true,
506 Gate::Agent(scope) => op.allowed_by(scope) && !NEVER.contains(&op.name()),
507 Gate::Token(access) => {
508 if NO_SCOPE.contains(&op.name()) {
509 return true;
510 }
511 match scope_for(op.name()) {
512 Some(scope) => access.allows(scope),
513 None => access.scopes.is_none(),
514 }
515 }
516 }
517 }
518}
519
520impl Tool {
521 pub fn by_name(name: &str) -> Option<&'static Tool> {
522 TOOLS.iter().find(|tool| tool.name == name)
523 }
524
525 pub fn action(&self, name: &str) -> Option<&'static Action> {
526 // The tools are 'static; find through TOOLS to keep the lifetime.
527 TOOLS
528 .iter()
529 .find(|tool| tool.name == self.name)
530 .and_then(|tool| tool.actions.iter().find(|action| action.name == name))
531 }
532
533 pub fn visible(&self, gate: &Gate) -> Vec<&'static Action> {
534 TOOLS
535 .iter()
536 .find(|tool| tool.name == self.name)
537 .map(|tool| tool.actions.iter().filter(|action| gate.allows(action.op)).collect())
538 .unwrap_or_default()
539 }
540
541 /// The flat input schema of the actions given.
542 pub fn input_schema(&self, actions: &[&Action]) -> Value {
543 let mut properties = Map::new();
544 let lines: Vec<String> = actions
545 .iter()
546 .map(|action| {
547 let required: Vec<String> = action.op.required();
548 if required.is_empty() {
549 format!("{}: {}.", action.name, action.summary)
550 } else {
551 format!("{} ({}): {}.", action.name, required.join(", "), action.summary)
552 }
553 })
554 .collect();
555 let mut action_schema = json!({
556 "type": "string",
557 "enum": actions.iter().map(|action| action.name).collect::<Vec<_>>(),
558 "description": lines.join("\n"),
559 });
560 if let Some(default) = self.default_action.filter(|name| actions.iter().any(|action| action.name == *name)) {
561 action_schema["default"] = json!(default);
562 }
563 properties.insert("action".to_owned(), action_schema);
564 for action in actions {
565 for (name, schema) in action.op.properties() {
566 merge_property(&mut properties, name, schema);
567 }
568 }
569 let mut required = vec![];
570 if self.default_action.is_none() {
571 required.push("action");
572 }
573 let mut schema = json!({ "type": "object", "properties": properties });
574 if !required.is_empty() {
575 schema["required"] = json!(required);
576 }
577 schema
578 }
579
580 /// The input schema keyed by action: one `oneOf` branch per action,
581 /// each with its own fields and the ones it needs.
582 pub fn discriminated(&self, actions: &[&Action]) -> Value {
583 let branches: Vec<Value> = actions
584 .iter()
585 .map(|action| {
586 let mut properties = Map::new();
587 properties.insert("action".to_owned(), json!({ "const": action.name }));
588 properties.extend(action.op.properties());
589 let mut required = vec![Value::String("action".to_owned())];
590 // The default action may leave `action` out.
591 if self.default_action == Some(action.name) {
592 required.clear();
593 }
594 required.extend(action.op.required().into_iter().map(Value::String));
595 json!({
596 "title": action.name,
597 "description": action.summary,
598 "type": "object",
599 "properties": properties,
600 "required": required,
601 })
602 })
603 .collect();
604 json!({ "type": "object", "oneOf": branches })
605 }
606
607 /// MCP's hints about the actions given: whether the tool only reads,
608 /// whether it can destroy something, and whether calling it twice is
609 /// the same as once.
610 pub fn annotations(&self, actions: &[&Action]) -> Value {
611 let read_only = actions.iter().all(|action| reads_only(action.op));
612 json!({
613 "title": self.title,
614 "readOnlyHint": read_only,
615 "destructiveHint": !read_only && actions.iter().any(|action| destructive(action.op)),
616 "idempotentHint": read_only,
617 "openWorldHint": false,
618 })
619 }
620
621 /// The tool as `tools/list` gives it, for a caller behind `gate`, or
622 /// `None` when it may use none of its actions.
623 pub fn listed(&self, gate: &Gate) -> Option<Value> {
624 let actions = self.visible(gate);
625 if actions.is_empty() {
626 return None;
627 }
628 Some(json!({
629 "name": self.name,
630 "title": self.title,
631 "description": self.description,
632 "inputSchema": self.input_schema(&actions),
633 "annotations": self.annotations(&actions),
634 }))
635 }
636}
637
638/// Adds a property to a tool's flat schema. The first action to use a name
639/// describes it; a later one with other allowed values adds them.
640fn merge_property(properties: &mut Map<String, Value>, name: String, schema: Value) {
641 match properties.get_mut(&name) {
642 None => {
643 properties.insert(name, schema);
644 }
645 Some(existing) => {
646 if let (Some(Value::Array(had)), Some(Value::Array(more))) =
647 (existing.get("enum").cloned(), schema.get("enum"))
648 {
649 let mut merged = had;
650 for value in more {
651 if !merged.contains(value) {
652 merged.push(value.clone());
653 }
654 }
655 existing["enum"] = Value::Array(merged);
656 }
657 // Different kinds of value under one name: say less, accept both.
658 if existing.get("type") != schema.get("type")
659 && let Some(fields) = existing.as_object_mut()
660 {
661 fields.remove("type");
662 fields.remove("items");
663 }
664 }
665 }
666}
667
668/// What a call to a tool runs: the operation its action names, or why not.
669pub fn resolve(tool: &Tool, arguments: &Value) -> Result<Op, String> {
670 let names = || {
671 tool.actions
672 .iter()
673 .map(|action| action.name)
674 .collect::<Vec<_>>()
675 .join(", ")
676 };
677 let Some(name) = arguments["action"].as_str().or(tool.default_action) else {
678 return Err(format!("Give an action: one of {}.", names()));
679 };
680 let Some(action) = tool.action(name) else {
681 return Err(format!("{} has no action {name}. Its actions: {}.", tool.name, names()));
682 };
683 let missing: Vec<String> = action
684 .op
685 .required()
686 .into_iter()
687 .filter(|field| arguments.get(field).is_none_or(Value::is_null))
688 .collect();
689 if !missing.is_empty() {
690 return Err(format!("{}.{name} needs {}.", tool.name, missing.join(", ")));
691 }
692 Ok(action.op)
693}
694
695#[cfg(test)]
696mod tests {
697 use super::*;
698 use g1t_contracts::scopes::{Preset, Scope};
699
700 fn listed(gate: &Gate) -> Vec<Value> {
701 TOOLS.iter().filter_map(|tool| tool.listed(gate)).collect()
702 }
703
704 fn token(scopes: Option<Vec<Scope>>) -> TokenAccess {
705 TokenAccess {
706 token_id: "tok_1".to_owned(),
707 scopes: scopes.map(|scopes| scopes.iter().map(|scope| scope.as_str().to_owned()).collect()),
708 legacy: false,
Merge the AI Gateway: Anthropic's Messages API on a workspace's tokens709 name: None,
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step710 }
711 }
712
713 #[test]
714 fn every_operation_is_exactly_one_action_of_one_tool() {
715 for op in Op::ALL {
716 let count = TOOLS
717 .iter()
718 .flat_map(|tool| tool.actions.iter())
719 .filter(|action| action.op == op)
720 .count();
721 assert_eq!(count, 1, "{} is {count} actions", op.name());
722 }
723 for tool in TOOLS {
724 let mut names = std::collections::HashSet::new();
725 for action in tool.actions {
726 assert!(names.insert(action.name), "{}.{} twice", tool.name, action.name);
727 }
728 if let Some(default) = tool.default_action {
729 assert!(tool.action(default).is_some(), "{}", tool.name);
730 }
731 }
Usage, Billing settings and prepaid AI credit; fixes from the UX audit732 assert!(TOOLS.len() <= 17, "{} tools", TOOLS.len());
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step733 }
734
735 #[test]
736 fn every_operation_needs_exactly_one_scope_or_none() {
737 use g1t_contracts::scopes::OPERATIONS;
738 for op in Op::ALL {
739 let mapped = OPERATIONS.iter().filter(|(name, _)| *name == op.name()).count();
740 let free = NO_SCOPE.contains(&op.name());
741 assert_eq!(mapped + usize::from(free), 1, "{}", op.name());
742 }
743 for (name, _) in OPERATIONS {
744 assert!(Op::by_name(name).is_some(), "{name} is not an operation");
745 }
746 }
747
748 #[test]
749 fn each_tool_schema_is_valid_with_one_branch_per_action() {
750 for tool in TOOLS {
751 let actions: Vec<&Action> = tool.actions.iter().collect();
752 let flat = tool.input_schema(&actions);
753 assert_eq!(flat["type"], "object");
754 assert!(flat.get("oneOf").is_none(), "no oneOf at the top level");
755 let listed: Vec<&str> = flat["properties"]["action"]["enum"]
756 .as_array()
757 .unwrap()
758 .iter()
759 .map(|name| name.as_str().unwrap())
760 .collect();
761 assert_eq!(listed, tool.actions.iter().map(|action| action.name).collect::<Vec<_>>());
762 for action in tool.actions {
763 for field in action.op.required() {
764 assert!(flat["properties"].get(&field).is_some(), "{}.{}: {field}", tool.name, action.name);
765 }
766 }
767 let keyed = tool.discriminated(&actions);
768 let branches = keyed["oneOf"].as_array().unwrap();
769 assert_eq!(branches.len(), tool.actions.len());
770 for (branch, action) in branches.iter().zip(tool.actions) {
771 assert_eq!(branch["properties"]["action"]["const"], action.name);
772 for field in branch["required"].as_array().unwrap() {
773 assert!(branch["properties"].get(field.as_str().unwrap()).is_some(), "{}.{}: {field}", tool.name, action.name);
774 }
775 }
776 // A well-formed JSON Schema object throughout.
777 let text = serde_json::to_string(&flat).unwrap();
778 assert!(serde_json::from_str::<Value>(&text).is_ok());
779 }
780 }
781
782 #[test]
783 fn a_read_only_token_sees_read_actions_only() {
784 let access = token(Preset::ReadOnly.scopes());
785 let gate = Gate::Token(&access);
786 for tool in TOOLS {
787 for action in tool.visible(&gate) {
788 assert!(reads_only(action.op), "{}.{}", tool.name, action.name);
789 }
790 }
791 let tools = listed(&gate);
792 for tool in &tools {
793 assert_eq!(tool["annotations"]["readOnlyHint"], true, "{}", tool["name"]);
794 assert_eq!(tool["annotations"]["destructiveHint"], false);
795 }
796 let issue = tools.iter().find(|tool| tool["name"] == "issue").unwrap();
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar797 assert_eq!(issue["inputSchema"]["properties"]["action"]["enum"], json!(["list", "get", "labels"]));
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step798 // Nothing of the agent tool is a read.
799 assert!(!tools.iter().any(|tool| tool["name"] == "agent"));
800 }
801
802 #[test]
803 fn a_narrow_token_sees_only_its_tools() {
804 let access = token(Some(vec![Scope::IssuesWrite]));
805 let names: Vec<Value> = listed(&Gate::Token(&access)).into_iter().map(|tool| tool["name"].clone()).collect();
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar806 // Labels and milestones are the repository's, managed with issues:write.
807 assert_eq!(names, vec![json!("repository"), json!("issue"), json!("plan"), json!("account")]);
API: notifications over REST and MCP, with notifications scopes808 // Notifications are a resource of their own: reading them lists
809 // only what reads.
810 let reader = token(Some(vec![Scope::NotificationsRead]));
811 let tools = listed(&Gate::Token(&reader));
812 let notifications = tools.iter().find(|tool| tool["name"] == "notifications").unwrap();
813 assert_eq!(
814 notifications["inputSchema"]["properties"]["action"]["enum"],
815 json!(["list", "get", "subscription", "watching", "watched"])
816 );
817 assert_eq!(notifications["annotations"]["readOnlyHint"], true);
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step818 let full = token(None);
819 assert_eq!(listed(&Gate::Token(&full)).len(), TOOLS.len());
820 assert_eq!(listed(&Gate::Everything).len(), TOOLS.len());
821 }
822
823 #[test]
824 fn a_tool_that_can_destroy_says_so() {
825 let tools = listed(&Gate::Everything);
826 let repository = tools.iter().find(|tool| tool["name"] == "repository").unwrap();
827 assert_eq!(repository["annotations"]["destructiveHint"], true);
828 assert_eq!(repository["annotations"]["readOnlyHint"], false);
829 let memory = tools.iter().find(|tool| tool["name"] == "memory").unwrap();
830 assert_eq!(memory["annotations"]["destructiveHint"], false);
831 }
832
833 #[test]
834 fn calls_resolve_to_their_operation_or_say_what_is_missing() {
835 let issue = Tool::by_name("issue").unwrap();
836 assert_eq!(resolve(issue, &json!({ "action": "get", "repo": "a/b", "number": 1 })), Ok(Op::GetIssue));
837 assert_eq!(resolve(issue, &json!({ "action": "get", "repo": "a/b" })), Err("issue.get needs number.".to_owned()));
838 assert!(resolve(issue, &json!({})).unwrap_err().starts_with("Give an action"));
839 assert!(resolve(issue, &json!({ "action": "explode" })).unwrap_err().contains("no action explode"));
840 let search = Tool::by_name("search").unwrap();
841 assert_eq!(resolve(search, &json!({ "query": "x" })), Ok(Op::Search));
842 let account = Tool::by_name("account").unwrap();
843 assert_eq!(resolve(account, &json!({})), Ok(Op::Whoami));
844 }
845
Teams and CODEOWNERS, labels and milestones, dependency updates, the security suite, and a clearer top bar846 #[test]
847 fn teams_are_one_tool_and_a_workspace_reader_sees_only_its_reads() {
848 let team = Tool::by_name("team").unwrap();
849 let names: Vec<&str> = team.actions.iter().map(|action| action.name).collect();
850 assert_eq!(
851 names,
852 [
853 "list",
854 "get",
855 "create",
856 "update",
857 "delete",
858 "list_members",
859 "set_member",
860 "remove_member",
861 "list_child_teams",
862 "list_repos",
863 "set_repo",
864 "remove_repo",
865 "set_review_assignment",
866 "list_user_teams",
867 ]
868 );
869 let reader = token(Some(vec![Scope::WorkspaceRead]));
870 let tools = listed(&Gate::Token(&reader));
871 let listed_team = tools.iter().find(|tool| tool["name"] == "team").unwrap();
872 assert_eq!(
873 listed_team["inputSchema"]["properties"]["action"]["enum"],
874 json!(["list", "get", "list_members", "list_child_teams", "list_repos", "list_user_teams"])
875 );
876 assert_eq!(listed_team["annotations"]["readOnlyHint"], true);
877 // A team's role on a repository is who has access.
878 let admin = token(Some(vec![Scope::WorkspaceAdmin]));
879 let tools = listed(&Gate::Token(&admin));
880 let listed_team = tools.iter().find(|tool| tool["name"] == "team").unwrap();
881 let actions = listed_team["inputSchema"]["properties"]["action"]["enum"].as_array().unwrap();
882 assert!(actions.contains(&json!("set_review_assignment")) && !actions.contains(&json!("set_repo")));
883 let access = token(Some(vec![Scope::AccessAdmin]));
884 let tools = listed(&Gate::Token(&access));
885 let listed_team = tools.iter().find(|tool| tool["name"] == "team").unwrap();
886 assert_eq!(listed_team["inputSchema"]["properties"]["action"]["enum"], json!(["set_repo", "remove_repo"]));
887 // Both kinds of role a schema names are offered.
888 let roles = &listed(&Gate::Everything).into_iter().find(|tool| tool["name"] == "team").unwrap()["inputSchema"]
889 ["properties"]["role"]["enum"];
890 for role in ["member", "maintainer", "read", "admin"] {
891 assert!(roles.as_array().unwrap().contains(&json!(role)), "{role}");
892 }
893 assert_eq!(
894 resolve(team, &json!({ "action": "set_repo", "workspace": "acme", "team": "backend", "repo": "rocket" })),
895 Err("team.set_repo needs role.".to_owned())
896 );
897 }
898
899 #[test]
900 fn reviewers_and_code_owners_are_actions_of_their_tools() {
901 let pull = Tool::by_name("pull_request").unwrap();
902 assert_eq!(
903 resolve(pull, &json!({ "action": "request_reviewers", "repo": "a/b", "number": 1, "team_reviewers": ["backend"] })),
904 Ok(Op::RequestReviewers)
905 );
906 assert_eq!(pull.action("remove_requested_reviewers").map(|action| action.op), Some(Op::RemoveRequestedReviewers));
907 let repository = Tool::by_name("repository").unwrap();
908 assert_eq!(resolve(repository, &json!({ "action": "codeowners", "repo": "a/b" })), Ok(Op::GetCodeownersErrors));
909 assert!(reads_only(Op::GetCodeownersErrors));
910 assert!(!reads_only(Op::RequestReviewers));
911 }
912
Thirteen MCP tools and classic token scopes; agents rate their confidence and can be put on an issue in one step913 /// How much smaller `tools/list` is than one tool per operation. Run
914 /// with `--nocapture` to see the numbers.
915 #[test]
916 fn the_tool_list_is_much_smaller_than_one_tool_per_operation() {
917 let before: Vec<Value> = Op::ALL
918 .into_iter()
919 .map(|op| json!({ "name": op.name(), "description": op.description(), "inputSchema": op.input() }))
920 .collect();
921 let after = listed(&Gate::Everything);
922 let before_bytes = serde_json::to_string(&json!({ "tools": before })).unwrap().len();
923 let after_bytes = serde_json::to_string(&json!({ "tools": after })).unwrap().len();
924 let agent = token(Preset::Agent.scopes());
925 let agent_bytes = serde_json::to_string(&json!({ "tools": listed(&Gate::Token(&agent)) })).unwrap().len();
926 let read = token(Preset::ReadOnly.scopes());
927 let read_bytes = serde_json::to_string(&json!({ "tools": listed(&Gate::Token(&read)) })).unwrap().len();
928 println!(
929 "tools/list: before {} tools, {before_bytes} bytes (~{} tokens); after {} tools, {after_bytes} bytes (~{} tokens); agent preset {agent_bytes} bytes (~{} tokens); read only {read_bytes} bytes (~{} tokens)",
930 before.len(),
931 before_bytes / 4,
932 after.len(),
933 after_bytes / 4,
934 agent_bytes / 4,
935 read_bytes / 4,
936 );
937 assert!(after_bytes * 2 < before_bytes, "{after_bytes} vs {before_bytes}");
938 }
939}

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