syntaqxA repository's actions/cache entries can be listed, measured and deleted, in GitHub's shapes, so what the cache holds can be checked against its 10 GiB: GET /repos/{owner}/{repo}/actions/caches lists the entries saved (id, key, ref, version, size_in_bytes, created_at, last_accessed_at), narrowed by a key prefix and a ref, ordered by last use, saving or size in either direction, a page at a time; GET …/actions/cache/usage gives active_caches_size_in_bytes, active_caches_count and quota_bytes; DELETE …/actions/caches?key= deletes a key's entries (one ref's with ref) and answers with them, and DELETE …/actions/caches/{id} deletes one and answers 204. Listing needs the Read role and workflows:read, deleting the Write role and workflows:write; a deleted entry's objects go at once, or at the next sweep if the bucket refuses. The actions service answers caches, cache_usage and delete_caches; the workflow MCP tool has list_caches, cache_usage, delete_caches and delete_cache; and `g1t cache list|usage|delete` calls them (list pages past 100 up to --limit; delete takes an id or a key). The Actions guide says how to see and delete entries, and the OpenAPI document, the CLI reference and the MCP reference are regenerated.694d983History