xiry.

Development · GitHub repo

Composio

Tooling and authentication layer connecting AI agents to external applications

From the Xiry library · Updated 10 October 2026

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Composio is an open-source integration framework that gives AI agents access to over a thousand external tools and APIs. It manages user authentication, dynamic tool discovery, and runtime sandboxes so developers can connect models to real-world actions without writing manual integrations. It supports TypeScript, Python, MCP clients, and major agent frameworks like LangChain, OpenAI Agents, and Claude.

What it's for

  • Connect AI agents to services like Gmail, GitHub, or Slack without building custom OAuth flows
  • Discover and execute tool actions dynamically at runtime to keep context windows small
  • Expose external tools to Claude, Cursor, or coding assistants via hosted MCP endpoints

Features

  • Over 1000 pre-authenticated toolkits for popular developer and business apps
  • Runtime meta tools for dynamic discovery without loading large schemas into context
  • Per-user session management handling distinct accounts and auth state
  • Hosted MCP endpoints compatible with Claude, Cursor, and MCP clients
  • Provider adapters for OpenAI, Anthropic, LangChain, Vercel AI SDK, LlamaIndex, and CrewAI
  • CLI tool for searching, executing, and scripting workflows from the shell
  • TypeScript and Python SDKs

Pricing

Freemium. Open-source core (MIT); hosted platform provides API key access and dashboard management

Details

Type
GitHub repo
Category
Development
Topic
AI Agents
Open source
Yes
Platforms
Code library, Command line, API
For
Developers building autonomous AI agents and assistants that need external API access
Alternative to
LangChain Tools, Zapier Central
Tags
ai agents, tool calling, mcp, typescript, python, integrations

Why it was saved

  • @tom_doerr, 23 February 2025: Ready-made, production-ready infrastructure for connecting AI agents to external tools like email, without building each integration by hand.

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