MCP server
TinyFn Official
io.tinyfn/tinyfn
Checked 25 Oct 2026, 20:29 UTC · It answered and asked for a sign-in
500+ deterministic tools for AI agents: math, conversion, validation, hashing, encoding, date/time.
Needs a sign-in or keyVerified publisher: tinyfn.io
https://api.tinyfn.io/mcp/all/
At a glance
- Type
- MCP server
- Publisher
- tinyfn.io (verified by the MCP Registry)
- Status
- Needs a sign-in or key
- Sets up in
- Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
- Last checked
- 25 Oct 2026, 20:29 UTC
Connect it to your agent
Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.
Claude Code
claude mcp add --transport http tinyfn https://api.tinyfn.io/mcp/all/
Claude Desktop
Settings → Connectors → Add custom connector, and paste the URL.
Codex (config.toml)
[mcp_servers.tinyfn] url = "https://api.tinyfn.io/mcp/all/"
Gemini CLI
{"mcpServers":{"tinyfn":{"httpUrl":"https://api.tinyfn.io/mcp/all/"}}}
Cursor
{"mcpServers":{"tinyfn":{"url":"https://api.tinyfn.io/mcp/all/"}}}
VS Code
{"servers":{"tinyfn":{"type":"http","url":"https://api.tinyfn.io/mcp/all/"}}}
Antigravity
agy mcp add tinyfn https://api.tinyfn.io/mcp/all/
ChatGPT
Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.
OpenAI API (Responses tools)
{"type":"mcp","server_label":"tinyfn","server_url":"https://api.tinyfn.io/mcp/all/","require_approval":"always"}
Grok (xAI API tools)
{"type":"mcp","server_label":"tinyfn","server_url":"https://api.tinyfn.io/mcp/all/"}
Needs a sign-in or an API key from its maker.
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