Nodeflare MCP

An MCP server providing Blockchain JSON-RPC access across 23 EVM chains for AI agents. It supports standard reads like block numbers and balances for free, while offering heavy methods via API keys or x402 pay-per-call. It includes tools for listing chains, checking balances, fetching transaction details, and analyzing gas prices.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by Nodeflare

You need:export NODEFLARE_API_KEY in your shell before starting Claude Code ( free key, 2M CU/month )X402_PRIVATE_KEY Pay per call with x402 — heavy methods ( eth_getLogs , trace_* , debug_* ) are paid from this wallet in USDC on Base, Polygon or Arbitrum, ~$0.001/call.

Vendor documentation

What you can do with it

List supported chains and their endpoint URLs
Fetch native and ERC-20 token balances for addresses
Fetch transaction details and receipts to explain actions
Get current gas prices or compare costs across chains

Source and maintenance

Community listingRegistry 0.8.0

mcp-registry: io.github.Nodeflare-app/nodeflare-mcp@0.8.0 Source repository

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

nodeflare-mcp 0.8.0

npm

nodeflare-mcp package definition

{
  "version": "0.8.0",
  "transport": "stdio",
  "identifier": "nodeflare-mcp",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "NODEFLARE_API_KEY",
      "description": "Optional NodeFlare API key (free at nodeflare.app) — unlocks heavy methods and higher limits"
    },
    {
      "name": "X402_PRIVATE_KEY",
      "description": "Optional EVM private key of a wallet holding USDC on Base/Polygon/Arbitrum — heavy methods are paid per call (~$0.001) via x402"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "nodeflare-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "nodeflare-mcp@0.8.0"
      ],
      "env": {
        "NODEFLARE_API_KEY": "<YOUR_NODEFLARE_API_KEY>",
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "nodeflare-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "nodeflare-mcp@0.8.0"
      ],
      "env": {
        "NODEFLARE_API_KEY": "<YOUR_NODEFLARE_API_KEY>",
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "nodeflare-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "nodeflare-mcp@0.8.0"
      ],
      "env": {
        "NODEFLARE_API_KEY": "<YOUR_NODEFLARE_API_KEY>",
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "nodeflare-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "nodeflare-mcp@0.8.0"
      ],
      "env": {
        "NODEFLARE_API_KEY": "<YOUR_NODEFLARE_API_KEY>",
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>"
      }
    }
  }
}

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