Search GitHub for repositories matching a keyword.

Fetch quick metadata for a repo.

Return the README text (truncated) so the caller can summarize it.

Stars, forks, watchers, open issue/PR counts, size, timestamps.

Top contributors by commit count.

Language usage as percentages of bytes.

Repo topics/tags.

License name for the repo.

Latest release plus recent release/tag history.

Branch protection status on the default branch. Requires admin — falls back to 'unknown'.

Weekly commit counts over the last year.

List of forks with owner and star counts.

Aggregate stats + contributors + languages + topics + license + latest release + README.

Clone a repo into the sandboxed workspace (no-op if already cloned).

Run git pull in an already-cloned repo.

List all local and remote branches, plus the current one.

Switch to a branch, optionally creating it.

Show the last N commits.

Commit history for a specific file (follows renames).

Working-tree status split into staged / unstaged / untracked.

Diff between two branches or commits.

Ahead / behind counts between two branches.

List open issues, optionally filtered by label.

List open PRs with CI check status.

Return the raw diff for a given PR.