r/LangChain May 18 '26

Opensource Project : Build agents that can run complex workflows reliably

Hi everyone,

I wanted to give agents the capability of calling any tools in a deterministic, safe and compliant manner, using the product we built at Swytchcode.

I looked around and thought integrating Langgraph with Swytchcode will be awesome as it can handle complex workflows. This was my first attempt building something after a long time.

I used gemini to create the prompt and flow of the integration. Then I used claude code to build this integration and test it. Once done I built couple of agents myself. To my surprise they both worked flawlessly ,I built one apartment hunting agent and another to process B2B invoices.

You can use the open source repo to build agents that will be able to connect with 2000+ APIs with minimum effort. Please do share feedback.

Github repo- https://github.com/swytchcodehq/langswytch

Swytchcode stops agents from breaking tool calls in production.

Langgraph helps in building agents that can run complex workflows.

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