An open-source integration broker that retired to the cloud
An open-source MCP gateway that connected AI agents to hundreds of SaaS APIs before the project went cloud-only.
What it does
Pica Community Edition sits between AI agents and third-party services, exposing integrations like Gmail through a central MCP server so agents can authenticate and trigger actions without custom connectors for every API. The repository itself is now frozen and functions largely as a redirect to the project’s private, cloud-hosted successor.
The interesting bit
The project tried to solve the “N APIs × M agents” integration headache by centralizing authentication and verified action knowledge in one place. The twist is that the open-source edition has been abandoned in favor of a fully managed offering, so the README now reads more like a marketing funnel than a codebase.
Key highlights
- Claims support for 200+ integrations and 25,000+ actions through the managed platform
- Uses the Model Context Protocol (MCP) to expose connections to any compatible agent or builder
- Provides a CLI (
@picahq/cli) and developer SDKs for wiring agents into external accounts - Community Edition is explicitly no longer maintained; all new development moved to a private cloud host
Caveats
- The repository is explicitly no longer actively maintained
- README offers almost no technical detail about the Community Edition itself; it is essentially a billboard for the commercial product
- It is unclear what, if anything, in the repo still functions independently of the cloud dashboard
Verdict
MCP tinkerers might skim it for architectural clues, but anyone seeking a living open-source integration layer should look elsewhere. Today it serves mainly as a historical reference or an on-ramp to the commercial cloud service.
Frequently asked
- What is withoneai/pica?
- An open-source MCP gateway that connected AI agents to hundreds of SaaS APIs before the project went cloud-only.
- Is pica open source?
- Yes — withoneai/pica is open source, released under the GPL-3.0 license.
- What language is pica written in?
- withoneai/pica is primarily written in Rust.
- How popular is pica?
- withoneai/pica has 1.5k stars on GitHub.
- Where can I find pica?
- withoneai/pica is on GitHub at https://github.com/withoneai/pica.