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mcp/harbor
Verified official

OneSource MCP MCP

v5.25.0 changelog · 6

io.onesource/mcp

Blockchain data, Deepstate and Standard Reserve markets, live chain queries, and API docs

transport:stdio runtime:npm
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Target client

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add mcp -e X402_PRIVATE_KEY=<X402_PRIVATE_KEY> -e ONESOURCE_API_KEY=<ONESOURCE_API_KEY> -- npx -y @one-source/mcp

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

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

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.