Show HN: Guestlist – know which sites will let your agent in

Category: library

Tags: ai-agents, web-scraping, api-tool

Score: 6.3/10 (Innovation: 6, Technical: 6, Documentation: 5, Utility: 7)

Guestlist is a Python library and HTTP API that grades websites on how accessible they are to AI and browser agents, using continuous probing from real browsers. It helps developers avoid silent failures from anti-bot systems like Cloudflare, saving crawl budget and effort. The project addresses a practical, growing need in the AI agent ecosystem.

Target audience: backend devs, data engineers, ai engineers

Repository: https://guestlist.tools

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