Unbrowse
Unbrowse is an open-source CLI tool that reverse-engineers the internal APIs behind websites, letting AI agents make direct API calls instead of automating headless browsers.
About
Unbrowse is an open-source CLI tool that reverse-engineers the internal APIs behind websites, letting AI agents make direct API calls instead of automating headless browsers. It reduces page interaction time from 5-30 seconds down to 50-200 milliseconds and cuts token usage from ~8,000 to ~200 tokens per action. Discovered API endpoints are shared in a public registry so all agents benefit from each other's discoveries.
Agent developers who need fast, reliable web interaction without the overhead and flakiness of headless browser automation — especially for high-frequency or token-sensitive workflows.
Pros & Cons
Pros
- check Dramatic performance gains: 100x faster and 40x fewer tokens compared to headless browser automation
- check Shared skill registry means one agent's discovery benefits the entire network
- check Runs entirely locally — no cloud proxies, no credentials leaving your machine
- check Works with Claude Code, Cursor, OpenClaw, and any skill-based agent platform
- check Free and open-source (AGPL-3.0) with no paid tiers or usage credits
Cons
- close Only works with sites that use internal APIs to power their frontend — static or server-rendered pages may not work
- close Reverse-engineered APIs can break when websites update their internal endpoints
- close Relies on local browser sessions for auth, which adds setup complexity
More Infrastructure
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