Nodeflare MCP Server

by nodeflare-appio.github.Nodeflare-app/nodeflare-mcpv0.8.0

MCP server for NodeFlare RPC — blockchain data on 23 EVM chains for AI agents. Free public tier, API key, or pay-per-call with x402 (USDC on Base/Polygon/Arbitrum).

1Node.jsstdioofficial registry

context tax

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security

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cold start

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freshness

Maintained2mo ago

Install Nodeflare MCP server

claude mcp add nodeflare -e NODEFLARE_API_KEY='<nodeflare-api-key>' -e X402_PRIVATE_KEY='<x402-private-key>' -- npx -y nodeflare-mcp

{
  "mcpServers": {
    "nodeflare": {
      "command": "npx",
      "args": [
        "-y",
        "nodeflare-mcp"
      ],
      "env": {
        "NODEFLARE_API_KEY": "<nodeflare-api-key>",
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "nodeflare": {
      "command": "npx",
      "args": [
        "-y",
        "nodeflare-mcp"
      ],
      "env": {
        "NODEFLARE_API_KEY": "<nodeflare-api-key>",
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

{
  "servers": {
    "nodeflare": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "nodeflare-mcp"
      ],
      "env": {
        "NODEFLARE_API_KEY": "<nodeflare-api-key>",
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "nodeflare": {
      "command": "npx",
      "args": [
        "-y",
        "nodeflare-mcp"
      ],
      "env": {
        "NODEFLARE_API_KEY": "<nodeflare-api-key>",
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
NODEFLARE_API_KEY	—	yes	Optional NodeFlare API key (free at nodeflare.app) — unlocks heavy methods and higher limits
X402_PRIVATE_KEY	—	yes	Optional EVM private key of a wallet holding USDC on Base/Polygon/Arbitrum — heavy methods are paid per call (~$0.001) via x402

Freshness

Maintained — last maintenance signal 2mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-08-01 · 2mo ago · GitHub
Latest release
2026-07-10 · 3mo ago · GitHub · v0.1.2
Package published
no data · npm/PyPI
Registry entry updated
2026-08-01 · 2mo ago · official registry · v0.8.0

FAQ

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

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

›Does Nodeflare require an API key?

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

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

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

›Is Nodeflare in the official MCP registry?

Yes, as io.github.Nodeflare-app/nodeflare-mcp.