The repo agent harness as a Claude Code plugin — a bundled, auto-connecting MCP server (repo_* tools + proxied serena_* code navigation), safety hooks, and generic coding-workflow skills/subagents. Born-harnessed repos for any MCP client.
**The repo agent harness as a Claude Code plugin.** Install it once and every git repo you open gets safe, deterministic, repo-aware tooling and symbol-level code navigation — instead of a coding agent improvising with raw shell, and with **no harness files written into the repo**. `astrojones` is client-agnostic in spirit: the same harness server runs for Claude Code (bundled