ProvenPin is a library of tested code recipes for AI coding models. Each recipe pins exact package versions, runs its own tests in a clean environment, and carries a receipt showing when it last passed. The goal is to help free and cheap models write code that actually runs. It is served over a free MCP server, no API key, no signup.

This was a quality week rather than a growth week. The live health endpoint shows 556 recipes, up from 555 last Thursday. Most of the work went into making the checks and answers more trustworthy. Here is what shipped (Oct 23 to 29).

Strict type-checks for TypeScript recipes

A recipe can run and pass its tests and still have type errors your editor will flag. CI now runs a strict tsc type-check on every TypeScript recipe a pull request adds or changes. New recipes must pass.…