ComposioHQ/composio

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

What it solves

It simplifies the process of connecting AI agents to external applications and tools. Instead of manually building and managing authentication and integrations for every app, developers can give their agents access to over 1,000 pre-authenticated toolkits.

How it works

Composio provides SDKs (TypeScript and Python) and a CLI that act as a bridge between AI agent frameworks and third-party apps. It uses a session-based system where each session is scoped to a specific user, handling the authentication and tool execution. To avoid overloading the agent's context window, it uses "meta tools" that allow agents to discover and execute tools at runtime rather than loading all definitions at once. It also supports the Model Context Protocol (MCP) for compatibility with clients like Claude and Cursor.

Who it’s for

Developers building AI agents who need their agents to take real-world actions across various software applications without writing custom integration code for every service.

Highlights

  • Over 1,000 pre-authenticated toolkits available.
  • Per-user session management for secure, scoped tool access.
  • Native provider adapters for major frameworks like OpenAI, Anthropic, LangChain, LlamaIndex, CrewAI, and AutoGen.
  • Hosted MCP endpoints for easy integration with MCP-compatible clients.
  • Dedicated CLI for searching and executing tools from the shell.