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mcp/harbor
Verified official

X402 Helper MCP MCP

v1.0.0

xyz.x402helper/mcp

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

transport:streamable-http tools:2

Target client

run in your project directory 

claude mcp add --transport http mcp https://x402helper.xyz/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

search_endpoints Read-only

search endpoints

call_endpoint

call endpoint

All 2 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.