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Show HN: Hiver – Chrome DevTools for Agents

Emmanuel launched Hiver, a Chrome DevTools-like debugging tool for AI agents that captures end-to-end interactions including LLM calls, tool usage, network activity, file changes, and browser actions to help developers iterate on agent harnesses. The tool gives agents a secure, inspectable computer environment and works with any SDK or harness, including open-source models under the user's own trust boundary.

read1 min views44 publishedJul 14, 2026

Hey everyone,

I’m Emmanuel and I built Hiver to help ship reliable AI agents.

I’ve been building agents for a while now. I found that the hardest part isn’t deploying the first version, but iterating on the harness end-to-end (models, skills, memory, system prompts, subagents, tools, environment) to ensure tasks complete successfully and use the least tokens.

To understand why an agent succeeded or failed, we need visibility into everything it did on a computer.

For this reason, Hiver gives agents a computer, so all these interactions are captured with minimal overhead. Why? Agents want a computer, we just need to make it secure and inspectable.

This is regardless of any SDK or harness. You can build your own harness with open source models all under your own trust boundary if needed.

On the website, you will see a live replay of Claude code with LLM, tools, network, file and browser activity.

I’m interested to learn more about what problems you faced in this space and what solutions you have identified.

Comments URL: [https://news.ycombinator.com/item?id=48907537](https://news.ycombinator.com/item?id=48907537)

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