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mcp/harbor
Claude Desktop

Base Token Facts for Claude Desktop

io.github.yankiifr/base-facts-mcp

Base token checks for agents: simulated buy and sell, taxes, honeypots. Pay per call in USDC (x402).

client:Claude Desktop transport:stdio runtime:npm

Install Base Token Facts in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

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

{
  "mcpServers": {
    "base-facts-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "base-facts-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>",
        "SESSION_BUDGET_USD": "<SESSION_BUDGET_USD>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

Base Token Facts in other clients

Base Token Facts MCP server