CLAUDE.md — scrum4me-mcp

MCP server that exposes the Scrum4Me dev-flow as native tools for Claude Code.

Agent worktree-flow

wait_for_job creates an isolated git worktree per job so agent changes never touch the user's main checkout.

How it works

On successful claim, wait_for_job calls createWorktreeForJob:
- Worktree directory: SCRUM4ME_AGENT_WORKTREE_DIR/<job-id> (default: ~/.scrum4me-agent-worktrees/<job-id>)
- Branch: feat/job-<last-8-chars-of-job-id> (timestamp-suffixed if branch already exists)
- Base: origin/main
Tool response includes worktree_path and branch_name.
Work exclusively in worktree_path — all file edits and commits go there.
On update_job_status(done|failed), removeWorktreeForJob runs automatically:
- keepBranch=true if done and a branch was reported (agent pushed)
- keepBranch=false otherwise (branch deleted with worktree)

Required configuration

Set env var per product:

SCRUM4ME_REPO_ROOT_<productId>=/absolute/path/to/local/clone

Or add to ~/.scrum4me-agent-config.json:

{
  "repoRoots": {
    "<productId>": "/absolute/path/to/local/clone"
  }
}

If no repo root is found, wait_for_job rolls the claim back to QUEUED and returns an error.

Manual worktree cleanup

Run cleanup_my_worktrees (no arguments) to scan ~/.scrum4me-agent-worktrees/ and remove worktrees for jobs that are in a terminal state (DONE, FAILED, CANCELLED). Worktrees for active jobs (QUEUED, CLAIMED, RUNNING) are left untouched. Returns { removed, kept, skipped }.

Key source files

File	Purpose
`src/git/worktree.ts`	`createWorktreeForJob` + `removeWorktreeForJob`
`src/tools/wait-for-job.ts`	`resolveRepoRoot`, `rollbackClaim`, `attachWorktreeToJob`
`src/tools/update-job-status.ts`	`cleanupWorktreeForTerminalStatus`
`src/tools/cleanup-my-worktrees.ts`	`cleanup_my_worktrees` tool — scans + removes stale worktrees

Testing

npm test          # vitest run
npm run typecheck # tsc --noEmit

All worktree helpers have unit tests under __tests__/git/worktree.test.ts, __tests__/wait-for-job-worktree.test.ts, and __tests__/update-job-status-worktree.test.ts.

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