A micro SaaS that checks what AI coding tools changed
Overreach is a developer tool that finds code changes an added beyond the user’s instructions. Tools such as Claude Code, Cursor, and Codex can be asked to do one task, then quietly add , , , or even whole features. Those extra changes may stay hidden until something breaks in production or an unexpected bill appears.
Overreach compares what the user asked the AI agent to do with what actually changed, then lists anything that was not part of the original request. It is open source, available on npm, and works as a plugin for major . For teams, the business pitch is simple: managers can automatically see what AI agents are shipping on every .
The tool was built in a few hours by someone without coding experience, using AI agents through prompts.
Key points
- Overreach checks whether an added work that was not requested.
- The unwanted additions can include , , , and full features.
- It supports major as a plugin.
- It is open source and available through npm.
- The likely buyer is an engineering manager whose team uses AI agents for code.