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Sentinel

Official registry Finance and payments

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

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http sentinel 'https://448c.org/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "sentinel": {
            "type": "http",
            "url": "https://448c.org/mcp"
        }
    }
}

Frequently asked questions

What is Sentinel?

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

How do I install Sentinel?

It runs as a remote server. In Claude Code: claude mcp add --transport http sentinel 'https://448c.org/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Sentinel need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Sentinel?

It is published by org.448c. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.