No red flags found in any of the 11 categories — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →
by samber · Agent Tool · ★ 100
Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h
🔒 Is the-great-gpt-firewall safe to install? View the security audit →
The Great GPT Firewall 📛 This collection is a curated list of websites that employ the file to restrict access to AI Agents, AI crawlers and GPTs. It will be updated monthly. User agents & robots.txt The file allows website owners to control and limit the access of these user agents to certain areas of their website by specifying rules and directives. txt OpenAI’s web crawler: GPT3.5, GPT4, ChatGPT https://platform.openai.com/docs/bots User-agent: GPTBot ChatGPT plugins https://platform.openai.com/docs/bots User-agent: ChatGPT-User OpenAI Search bot https://platform.openai.com/docs/bots User-agent: OAI-SearchBot Google's web crawler: Bard, VertexAI, Gemini https://blog.google/technology/ai/an-update-on-web-publisher-controls/ User-agent: Google-Extended Apple's web crawler, dedicated to GenAI projects https://support.apple.com/en-us/119829 User-agent: Applebot-Extended Claude User-agent: anthropic-ai Claude Bot User-agent: ClaudeBot Claude web User-agent: Claude-Web Amazonbot https://developer.amazon.com/amazonbot User-agent: Amazonbot Cohere User-agent: Cohere-ai Perplexity User-agent: PerplexityBot You https://about.you.com/fr/youbot/ User-agent: YouBot Common Crawl...
| Stars | 100 |
| Forks | 7 |
| Language | Python |
| Category | Agent Tool |
| License | MIT |
| Quality Score | 55.7310998302321/100 |
| Open Issues | 2 |
| Last Updated | 2026-09-07 |
| Created | 2024-02-13 |
| Platforms | browser, python |
| Est. Tokens | ~17k |
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the-great-gpt-firewall is 🤖 A curated list of websites that restrict access to AI Agents, AI crawlers and GPTs. It is categorized as a Agent Tool with 100 GitHub stars.
the-great-gpt-firewall is primarily written in Python. It covers topics such as agent, anthropic, blocklist.
You can find installation instructions and usage details in the the-great-gpt-firewall GitHub repository at github.com/samber/the-great-gpt-firewall. The project has 100 stars and 7 forks, indicating an active community.
the-great-gpt-firewall is released under the MIT license, making it free to use and modify according to the license terms.
The top alternatives to the-great-gpt-firewall on Agent Skills Hub include open-assistant-api, zypher-agent, ruby-nano-bots. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.
Grades come from a rule-based scan built on the SlowMist agent-security taxonomy, covering 11 red-flag categories including credential harvesting, data exfiltration, and curl | sh installers. It is a first-layer scan, not a manual audit — we say so rather than overstate it.
The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.
Sources & who's responsible: