Show HN: Autonomo MCP – Developing while E2E Testing

Interesting approach with structured JSON instead of screenshots. How do you handle dynamic SPAs where the DOM changes frequently between captures?

Hey HN,

Tried posting this yesterday evening but timing was off and it got buried quickly (4 points, no comments). Reposting now during peak hours.

I built Autonomo MCP because AI coding agents (Cursor, Claude, etc.) are great at generating code but terrible at actually running and validating it in real apps. They hallucinate, rely on slow screenshots, or break on multi-device flows.

Autonomo MCP gives agents a fast (~50ms), structured JSON view of app state (semantic UI IDs, network calls, errors, logs) across web + iOS + Android + desktop simultaneously. Local-first, MCP-integrated, no cloud leaks.

- Swap vision bloat for tiny tokens - Cross-device validation (e.g. tap mobile → see web update) - Early stage, just launched: https://github.com/sebringj/autonomo

Would love feedback: Does this solve a pain point for anyone building agentic dev tools? What platforms/workflows would you want next? (Android/Kotlin and C#/.NET are on the TODO list.)

Thanks for any stars, comments, or tries!

– Jason