Back to code-only MCP servers

har

active

HAR: open agent harness (CLI + MCP) for coding agents. Isolated worktrees, deterministic verify, software factory workflows for Claude Code, Cursor, and Codex.

Code-only MCP server: no hosted endpoint, so you install and run it yourself. It is not probed, graded or counted in our reachability statistics.

Get it

Repository
github.com/os-factory/har
Package
npm: @osfactory/har
Run (stdio)
npx -y @osfactory/har
The usual command for this package registry; check the repository README for required settings.
License
Apache-2.0
Last update
2026-11-14
GitHub stars
★ 132
Homepage
harproject.dev/

Listed in

Run this server as a hosted endpoint? Submit the endpoint and it moves to the remote directory, where it is probed and graded.