Built with Rust 🦀
Open Source
Integrations that work.
Pica gives every builder instant, reliable access to the tools they need—no keys, no configs, no headaches.
Plug-and-play integrations for any AI agent.
Why AI Agents with OneTool
Give your agent real-world actions in seconds. We handle the details, you ship the product.
Complete
Every integration has full API coverage.
- • Schemas ready to use out of the box.
- • Actions tested end to end.
Smart
Human-verified calls and limits.
- • Platform knowledge baked in, so the agent is right on the first try.
- • Clear logs for fast debugging.
Flexible
Works with Vercel AI SDK, LangChain, MCP—any stack.
- • Drop-in install, no code rewrites.
- • Future-proof as new frameworks emerge.
Products
Three tools, one goal: get real work done fast.
OneTool
One install and your agent can call any API.
- • Full API coverage for every integration.
- • Schemas ready to use out of the box.
AuthKit
A Plaid-style widget that handles user auth and token management.
- • OAuth handled end-to-end.
- • Tokens stored and rotated for you.
BuildKit
Describe what you want to build and the integration appears.
- • API docs and schemas synced daily.
- • Changes flagged before they break.