X402 Helper MCP for Claude.ai

xyz.x402helper/mcp

API discovery and x402 paid execution via MCP. Search by natural-language, call with USDC payment

client:Claude.ai transport:streamable-http tools:2

Install X402 Helper MCP in Claude.ai

Settings → Connectors → Add custom connector

https://x402helper.xyz/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

search_endpoints
call_endpoint

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X402 Helper MCP MCP server