What is this?
CheckCC is a web tool that checks your browser and network environment for signals that may raise the risk of a Claude account being restricted or banned. You can run it before you sign up, subscribe to Claude Pro, apply for the API or use Claude Code.
CheckCC is a web tool that checks your browser and network environment for signals that may raise the risk of a Claude account being restricted or banned. You can run it before you sign up, subscribe to Claude Pro, apply for the API or use Claude Code.Is it a web page or something I install?It is a web page you open in the browser, with no sign-in needed. The code is also open source, so you can host your own copy.
It is a web page you open in the browser, with no sign-in needed. The code is also open source, so you can host your own copy.How do I get it running?Open checkcc.org in your browser. No account or install is needed. To self-host, deploy the repo to Vercel, Cloudflare Pages, Netlify or your own server.
Open checkcc.org in your browser. No account or install is needed. To self-host, deploy the repo to Vercel, Cloudflare Pages, Netlify or your own server.What do I need to self-host it?Nothing for using the website. To self-host, you need a Node.js setup with pnpm, since the stack is Next.js, React, TypeScript and Tailwind CSS.
Nothing for using the website. To self-host, you need a Node.js setup with pnpm, since the stack is Next.js, React, TypeScript and Tailwind CSS.Does a passing check mean my account is safe?No. It only flags visible environment conflicts, and the results are advisory, not an official verdict from Claude or Anthropic.
No. It only flags visible environment conflicts, and the results are advisory, not an official verdict from Claude or Anthropic.Does it read my account or upload my data?No. Checks run locally in the browser without a Claude login. It does not read your account, passwords, cookies or chats, and it does not upload results by default.
No. Checks run locally in the browser without a Claude login. It does not read your account, passwords, cookies or chats, and it does not upload results by default.How does it check my environment?It samples browser language, timezone, Intl locale, user agent, container traits and network exit, then checks whether those signals contradict each other. The README claims 40+ detection dimensions.
It samples browser language, timezone, Intl locale, user agent, container traits and network exit, then checks whether those signals contradict each other. The README claims 40+ detection dimensions.Why isn't my IP address enough to judge the risk?According to the README, account risk comes from the whole environment profile: fingerprint, timezone, language, network exit, container, device and payment setup, not a single IP or region.
According to the README, account risk comes from the whole environment profile: fingerprint, timezone, language, network exit, container, device and payment setup, not a single IP or region.What should I do if it flags a high-risk signal?Adjust the environment first. Keep IP, timezone, browser language and account region consistent, and avoid WebViews and automation browsers before logging in or subscribing.
Adjust the environment first. Keep IP, timezone, browser language and account region consistent, and avoid WebViews and automation browsers before logging in or subscribing.What are similar projects?openhikmah-web, html-anything, gitdiagram, Resume-Matcher, chatbot, boardui, ModelTrace, wechat-miniapp-radar
openhikmah-web, html-anything, gitdiagram, Resume-Matcher, chatbot, boardui, ModelTrace, wechat-miniapp-radarWhich topics is it in?browser-fingerprinting, detection, vercel, ai-tools, tailwindcss, multilingual, nextjs, anthropic, web-app, networking, claude, react
browser-fingerprinting, detection, vercel, ai-tools, tailwindcss, multilingual, nextjs, anthropic, web-app, networking, claude, react