# Claude Guard

Claude Guard is a zero-dependency browser and network environment self-check service. It collects 72 browser, network, locale, and fingerprint signals and returns a red/warn/white/info verdict for whether a Claude user environment looks risky.

## Core URLs
- Tool: https://claude6.top/
- Plain text public IP: https://claude6.top/ip
- JSON network diagnostics: https://claude6.top/json
- Request headers echo: https://claude6.top/headers
- Transparent rule library: https://claude6.top/api/rules
- Methodology: https://claude6.top/methodology
- Privacy: https://claude6.top/privacy
- API documentation: https://claude6.top/api-doc
- FAQ: https://claude6.top/faq

## API Summary
- GET /ip returns the client public IP as text/plain.
- GET /json returns the server-observed IP, GeoIP fields, proxy/hosting/mobile flags, request language, and timestamp as JSON.
- GET /headers returns request headers as JSON for debugging reverse proxies and client hints.
- POST /api/check accepts the browser-collected signal payload and returns the existing Claude Guard verdict report.

## Positioning
Use Claude Guard for browser environment risk-control self-checks, Claude region consistency checks, proxy/VPN environment sanity checks, and transparent research into browser fingerprint signals.