x402Shield

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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 x402shield 'https://x402shield.dev/api/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code)
{
    "mcpServers": {
        "x402shield": {
            "type": "http",
            "url": "https://x402shield.dev/api/mcp"
        }
    }
}

Frequently asked questions

What is x402Shield?

Public demo: evaluate AI-agent payment authorization and approval policy. No signing, no settlement.

How do I install x402Shield?

It runs as a remote server. In Claude Code: claude mcp add --transport http x402shield 'https://x402shield.dev/api/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does x402Shield 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 x402Shield?

It is published by dev.x402shield. 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.