CrossFin

Remote (streamable-http)

https://crossfin.dev/api/mcp Reachable (checked 2026-09-24)

Claude Code:

claude mcp add --transport http crossfin https://crossfin.dev/api/mcp

Or add to your MCP client config:

{
  "mcpServers": {
    "crossfin": {
      "url": "https://crossfin.dev/api/mcp"
    }
  }
}

Package (npm 1.18.0)

npx -y crossfin-mcp@1.18.0

Or add to your MCP client config:

{
  "mcpServers": {
    "crossfin": {
      "command": "npx",
      "args": [
        "-y",
        "crossfin-mcp@1.18.0"
      ],
      "env": {
        "EVM_PRIVATE_KEY": "<YOUR_VALUE>",
        "CROSSFIN_API_URL": "<YOUR_VALUE>",
        "CROSSFIN_LEDGER_PATH": "<YOUR_VALUE>"
      }
    }
  }
}

• EVM_PRIVATE_KEY secret — Base wallet private key for x402 USDC payments (only needed for paid tools)
• CROSSFIN_API_URL — API base URL (default: https://crossfin.dev)
• CROSSFIN_LEDGER_PATH — Local ledger file path (default: ~/.crossfin/ledger.json)