← MCP Reliability Index / Web & Scraping

Sentinel

org.448c/sentinel

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

healthy

status

tools exposed

444ms

connect latency

2b41a493dd39

schema fingerprint

Tools (2)

check_address

Check whether a crypto address is safe to transact with. Screens OFAC sanctions + community scam lists and flags contract-vs-wallet. Returns verdict (safe/caution/avoid), 0-100 risk score, reasons, and sources.

check_url

Check whether a URL or domain is a scam/phishing site. Screens the MetaMask crypto-phishing blocklist, domain age (RDAP), and lexical red flags. Returns verdict (safe/caution/avoid), 0-100 risk score, reasons, and sources.

Endpoint

https://448c.org/mcp
Category: Web & Scraping · Last checked: 2026-07-30T14:02:43Z

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How we measure →

What this means. This server responded to the MCP handshake and listed its tools without authentication. The schema fingerprint lets us flag if tool signatures silently change (schema drift) between checks.