tinyfn

500+ deterministic tools for AI agents — eliminate hallucinations in math, conversions, validation, hashing, encoding, and date/time.

Community: Submitted by a user or imported; check the owner before granting accessRequires local installNo sign-inGlobalFreeRead-only
This server only runs on your computer. It cannot be added to Claude or ChatGPT web. See the project docs for installation.

What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    500+ deterministic tools for AI agents — eliminate hallucinations in math, conversions, validation, hashing, encoding, and date/time. LLMs guess; TinyFn computes the one correct answer. Remote MCP server, no install — works with Claude, Cursor, Windsurf, and any MCP client.

    Requires a local install: run the server on your machine, then point your client at it.

    Tools not fetched yet: the server requires sign-in; the list appears after a manual check.