whodunit

active

Find which single change broke your test. Splits a diff into hunks and delta-debugs them against a failing test until it proves the culprit. CLI and MCP server.

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/sithija-jayasinghe/whodunit
Package: npm: whodunit
Run (stdio): npx -y whodunit
The usual command for this package registry; check the repository README for required settings.
License: MIT
Last update: 2026-10-26
Homepage: github.com/sithija-jayasinghe/whodunit#readme

debugging delta-debugging ddmin bisect git testing regression ai agent mcp mcp-server

Listed in

npm · source

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