Broadcast MCP Server

by cryptoapis-ioio.github.CryptoAPIs-io/mcp-broadcastv0.5.0

MCP server for broadcasting signed raw transactions to multiple blockchains via Crypto APIs

0Node.jsstdioofficial registry

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security

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Active12d ago

Install Broadcast MCP server

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

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

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

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

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

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

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

{
  "mcpServers": {
    "broadcast-cryptoapis-io": {
      "command": "npx",
      "args": [
        "-y",
        "@cryptoapis-io/mcp-broadcast"
      ],
      "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 · v0.5.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-24 · 16d ago · official registry · v0.5.0

FAQ

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

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

›Does Broadcast require an API key?

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

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

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

›Is Broadcast in the official MCP registry?

Yes, as io.github.CryptoAPIs-io/mcp-broadcast.