AI Agents · 8 alternatives ranked of 78 in the category
Looking for alternatives to FastMCP? These are the ai agents tools that score highest on adoption, reviews, benchmarks, and public code, with what separates each one from FastMCP.
Ranked by adoption, review, benchmark, and repository signals. Each note below is drawn from the two products’ own catalog records, so a product with nothing to separate it from FastMCP carries no note.
Actian is not listed as open source, while FastMCP is, is custom-priced against FastMCP's open source model, and exposes a public API you can build against.
Replay.io is not listed as open source, while FastMCP is, is custom-priced against FastMCP's open source model, and exposes a public API you can build against.
Guild.ai is not listed as open source, while FastMCP is, is custom-priced against FastMCP's open source model, and exposes a public API you can build against.
CrewAI exposes a public API you can build against.
ComfyUI exposes a public API you can build against and carries 119k GitHub stars to FastMCP's 26k.
Actian ranks highest among the alternatives to FastMCP we track. Actian is not listed as open source, while FastMCP is, is custom-priced against FastMCP's open source model, and exposes a public API you can build against. Portable vector database for edge AI
Actian, Replay.io, Guild.ai, CrewAI, ComfyUI, and Open WebUI expose a public API. FastMCP does not publish one in our catalog, so these are the options if you need to build against the product programmatically.
Gemini CLI carries 106k GitHub stars to FastMCP's 26k.
Hermes Agent carries 203k GitHub stars to FastMCP's 26k.
Open WebUI exposes a public API you can build against and carries 144k GitHub stars to FastMCP's 26k.