All servers · Crypto & blockchain

Sentinel

org.448c/sentinel · v0.0.1

No registry update 90+ days

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Read-only (all tools declare readOnlyHint)
Capabilities declared	tools
Tool definitions	2 tools · with description 100% · input schema is an object 100% · read/destructive hints 100%

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

streamable-http · https://448c.org/mcp

claude mcp add --transport http sentinel https://448c.org/mcp

{
  "mcpServers": {
    "sentinel": {
      "url": "https://448c.org/mcp"
    }
  }
}

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.

JSON · Text for agents · Registry updated 2026-07-04