Blockchain Fees MCP Server

by cryptoapis-ioio.github.CryptoAPIs-io/mcp-blockchain-feesv0.5.1

MCP server for fee recommendations and gas estimation on EVM, UTXO, XRP, Tezos, Solana

0Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Active12d ago

Install Blockchain Fees MCP server

claude mcp add blockchain-fees -e CRYPTOAPIS_API_KEY='<cryptoapis-api-key>' -- npx -y @cryptoapis-io/mcp-blockchain-fees

{
  "mcpServers": {
    "blockchain-fees": {
      "command": "npx",
      "args": [
        "-y",
        "@cryptoapis-io/mcp-blockchain-fees"
      ],
      "env": {
        "CRYPTOAPIS_API_KEY": "<cryptoapis-api-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "blockchain-fees": {
      "command": "npx",
      "args": [
        "-y",
        "@cryptoapis-io/mcp-blockchain-fees"
      ],
      "env": {
        "CRYPTOAPIS_API_KEY": "<cryptoapis-api-key>"
      }
    }
  }
}

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

{
  "servers": {
    "blockchain-fees": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cryptoapis-io/mcp-blockchain-fees"
      ],
      "env": {
        "CRYPTOAPIS_API_KEY": "<cryptoapis-api-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "blockchain-fees": {
      "command": "npx",
      "args": [
        "-y",
        "@cryptoapis-io/mcp-blockchain-fees"
      ],
      "env": {
        "CRYPTOAPIS_API_KEY": "<cryptoapis-api-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
CRYPTOAPIS_API_KEY	yes	yes	Crypto APIs API key

Freshness

Active — last maintenance signal 12d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-28 · 12d ago · GitHub
Latest release
2026-09-24 · 16d ago · GitHub · v0.5.1
Package published
no data · npm/PyPI
Registry entry updated
2026-09-24 · 16d ago · official registry · v0.5.1

FAQ

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

Run: claude mcp add blockchain-fees -e CRYPTOAPIS_API_KEY='<cryptoapis-api-key>' -- npx -y @cryptoapis-io/mcp-blockchain-fees. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Blockchain Fees require an API key?

Yes. It expects CRYPTOAPIS_API_KEY, of which 1 is a secret.

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

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

›Is Blockchain Fees in the official MCP registry?

Yes, as io.github.CryptoAPIs-io/mcp-blockchain-fees.