unerr

Gives coding agents memory and guardrails that actually stick. When an agent edits a function, unerr surfaces dependent call sites across your codebase before the change lands, so breaks get caught in the same turn instead of silently. It pins your rules and standards to the code they're about and brings them up automatically when that code is touched. Runs session memory to stop agents from retrying failed approaches, and trims file and command output down to relevant slices so context doesn't rot deep into long sessions. Built for Cursor, Claude Code, Windsurf, and other MCP clients. Local first, nothing leaves your machine, works out of the box after npm install.