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mcp/harbor
Verified official

Mercury402: Treasury/FRED financial data over x402 MCP

v0.1.4

io.github.dudman1/mercury402-mcp

Treasury/FRED financial data over x402: pay-per-call US yields, macro and forex in USDC on Base

transport:streamable-http runtime:npm tools:2
View source Website

Target client

run in your project directory 

claude mcp add --transport http mercury402-mcp https://mcp.mercury402.com/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

list_endpoints Read-only

list endpoints

get_endpoint_data Read-only

get endpoint data

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.