OneSource MCP Server

by blockparty-globalio.onesource/mcpv5.23.0

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

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Active4d ago

Install OneSource MCP server

claude mcp add one-source -e X402_PRIVATE_KEY='<x402-private-key>' -e ONESOURCE_API_KEY='<onesource-api-key>' -- npx -y @one-source/mcp

{
  "mcpServers": {
    "one-source": {
      "command": "npx",
      "args": [
        "-y",
        "@one-source/mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>",
        "ONESOURCE_API_KEY": "<onesource-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "one-source": {
      "command": "npx",
      "args": [
        "-y",
        "@one-source/mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>",
        "ONESOURCE_API_KEY": "<onesource-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "one-source": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@one-source/mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>",
        "ONESOURCE_API_KEY": "<onesource-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "one-source": {
      "command": "npx",
      "args": [
        "-y",
        "@one-source/mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>",
        "ONESOURCE_API_KEY": "<onesource-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
X402_PRIVATE_KEY	—	yes	EVM private key (64-char hex, 0x prefix optional) for automatic x402 USDC payments on Base
ONESOURCE_API_KEY	—	yes	OneSource API key for Bearer token auth

Freshness

Active — last maintenance signal 4d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-05 · 4d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-05 · 5d ago · official registry · v5.23.0

FAQ

›How do I install the OneSource MCP server in Claude Code?

Run: claude mcp add one-source -e X402_PRIVATE_KEY='<x402-private-key>' -e ONESOURCE_API_KEY='<onesource-api-key>' -- npx -y @one-source/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does OneSource require an API key?

Yes. It expects X402_PRIVATE_KEY, ONESOURCE_API_KEY, of which 2 are secrets.

›Can I use OneSource as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is OneSource in the official MCP registry?

Yes, as io.onesource/mcp.