Agent builder
Composio
Tools and managed auth for AI agents, with 1,500+ app integrations and an MCP gateway.
Tool and auth layer for AI agents: 1,500+ app integrations with managed OAuth, an MCP gateway, and new "Instant" tools agents can pay for per call without separate API keys.
- Vendor
- Composio
- Price
- Free tier, then $29 and up
- Experience
- Advanced
- Platforms
- Web, API
- Last reviewed
- October 22, 2026
- Free tier
- Yes
Our rating
Overall rating: rank and stars across the whole category. A match % on guides and results is for one job and your answers, so a tool can be a top match and still rank lower overall.
Tied · #5 of 8 in Agents
- Quality
- 3.6
- Features
- 3.5
- Value
- 3.9
- Ease
- 2.5
Tool and auth layer that connects AI agents to outside apps; generous free tier, but built for developers.
Reviewed October 22, 2026.
Pros and cons
Pros
Free Hobby plan includes 100,000 tool calls a month with no card
Pro is $29 a month and includes $29 of usage credit
Open-source SDK with about 30,700 GitHub stars
Cons
Some Pro features, such as IP allowlists and a HIPAA BAA, cost extra per tool call
No visual no-code builder; it is a developer API
Jobs it fits
- Build an agent — Tools and managed auth for AI agents, with 1,500+ app integrations and an MCP gateway. Fit score 70.