Composio Review: 1K+ Pre-Built Toolkits for AI Agents (2026)
You’re building an AI agent and you need it to check Gmail, post to Slack, create GitHub issues, and query Notion. Great. Now wire up OAuth for each one, write retry logic, handle token refresh, parse every API response schema. How’s that afternoon looking? Composio fixes this. It’s an open-source platform packing 1,000+ pre-built agent toolkits — Gmail, Slack, GitHub, Notion, Stripe, Jira, you name it — with managed authentication, context persistence, and a framework-agnostic SDK. 28,720 stars on GitHub, which tells you this isn’t a side project. ...