TinyFn MCP Server: Install & Setup

Install TinyFn in Claude Code

Claude Code

claude mcp add --transport http tinyfn https://api.tinyfn.io/mcp/all/

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "tinyfn": {
      "url": "https://api.tinyfn.io/mcp/all/"
    }
  }
}

Frequently asked questions

What does the TinyFn MCP server do?

500+ deterministic tools for AI agents: math, conversion, validation, hashing, encoding, date/time.

Is the TinyFn MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does TinyFn run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add TinyFn to Claude Code?

Run: claude mcp add --transport http tinyfn https://api.tinyfn.io/mcp/all/

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