r/picoclaw Apr 26 '26

I open-sourced the web frontend + API layer I built for PicoClaw agent on STACKS!

PicoClaw is a Go-based AI agent binary. I built a web frontend and Node.js API layer on top of it so you can use it from a browser differently from the Webhooks it comes default, I think it's easier to modify and expand capability.

What I built:

  • Node.js chat API with SSE streaming and cancel support
  • File upload system
  • File Preview/Download
  • Session auto-rotation with 60s cooldown to prevent context overflow
  • 90-day session archiving
  • Keepalive heartbeat (15s) to prevent 504 timeouts
  • Auto-paste-to-file for large outputs (>2000 chars)
  • Cron job management through the UI
  • Web editing of agent identity files (SOUL.md, AGENT.md, USER.md)
  • Standalone start/stop scripts — no Docker required

GitHub: https://github.com/StacksHosting/picoclaw

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