Thursday, January 8, 2026

Show HN: Sentience – Enhancing AI Agents with Semantic Visual Grounding via WASM and ONNX

Unlocking the Future of Browser Automation with SentienceAPI

As the solo founder of SentienceAPI, I’ve tackled a pressing issue: creating reliable web agents. My solution, Semantic Geometry Sentience, functions as a “Visual Cortex” for agents, transforming chaotic web pages into structured, coordinate-aware JSON.

The Challenge
Building web agents often presents two inadequate options:

  • Raw DOM: Fast but overwhelming and lacks spatial context.
  • Vision Models: Slow, costly, and prone to errors.

Our Breakthrough

  • Client (WASM): A Chrome Extension that efficiently prunes the DOM.
  • Gateway (Rust/Axum): Applies heuristic importance scoring.
  • Brain (ONNX): Re-ranks elements semantically based on user goals.

Key Advantages:

  • Cost: ~$0.001 per step
  • Latency: ~400ms
  • Developer Experience: Enjoy a “Time-Travel Debugger” for insights.

Join our beta and provide feedback! Dive into the details at SentienceAPI, and let’s enhance web automation together.

💬 Share your thoughts below or connect with me!

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