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x402serps

Official registry Search and web

Pay-per-call Google search, deep research and AI visibility checks via x402 USDC.

Website

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 x402serps 'https://x402serps.com/api/mcp' --header 'X-Trial: <Set to 1 to use the free trial (25 calls per network, 10/min).>' --header 'X-PAYMENT: <x402 payment payload (USDC on Base or Solana) for paid tool calls.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "x402serps": {
            "type": "http",
            "url": "https://x402serps.com/api/mcp",
            "headers": {
                "X-Trial": "<Set to 1 to use the free trial (25 calls per network, 10/min).>",
                "X-PAYMENT": "<x402 payment payload (USDC on Base or Solana) for paid tool calls.>"
            }
        }
    }
}

Frequently asked questions

What is x402serps?

Pay-per-call Google search, deep research and AI visibility checks via x402 USDC.

How do I install x402serps?

It runs as a remote server. In Claude Code: claude mcp add --transport http x402serps 'https://x402serps.com/api/mcp' --header 'X-Trial: <Set to 1 to use the free trial (25 calls per network, 10/min).>' --header 'X-PAYMENT: <x402 payment payload (USDC on Base or Solana) for paid tool calls.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does x402serps need an API key?

Yes. It expects X-Trial, X-PAYMENT, which you set in its configuration.

Who maintains x402serps?

It is published by com.x402serps. 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.