Composio
Free tierGive your AI secure access to 1,500+ apps in minutes
Free tier available·All audiences·API available
Key strengths
1,500+ app integrationsManaged OAuth and auth infrastructureContext-efficient action selection (no context bloat)Isolated sandbox runtime for multi-step agent tasksOne-click app connectionsMCP Gateway for tools and agentsEnterprise SSO and governance controlsSDKs for rapid developer integration
Free tier + paid plans
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Composio — Technical Overview
Composio is a freemium integration platform that gives AI agents secure, authenticated access to 1,500+ external apps and services via a unified API. It is purpose-built for developers shipping AI agents and LLM-powered workflows.
Core architecture highlights:
- Managed auth infrastructure — Composio handles OAuth flows, token storage, and refresh cycles across all supported integrations, eliminating credential management from your codebase.
- Context-efficient action selection — The platform surfaces only the relevant tool actions to the model at runtime, preventing context bloat that degrades LLM performance.
- Isolated sandbox runtime — Multi-step agentic tasks execute in an isolated environment, keeping side effects contained and reproducible.
- MCP Gateway — A dedicated gateway layer exposes tools and agents over the Model Context Protocol, enabling interoperability across agent frameworks.
- SDKs — First-class SDKs enable rapid integration into existing stacks.
- Framework compatibility — Native support for Vercel AI SDK and LangGraph, with integrations spanning productivity, DevOps, CRM, finance, marketing, and more.
Pricing: Free tier includes 100,000 actions/month. Enterprise tier adds SSO, governance controls, and audit logging.