Nyx5 MCP Server: Install & Setup

Install Nyx5 in Claude Code

Claude Code

claude mcp add nyx5 -- npx -y @nyx5/nyx5

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "nyx5": {
      "command": "npx",
      "args": [
        "-y",
        "@nyx5/nyx5"
      ]
    }
  }
}

Claude Code

curl -LO https://github.com/Nicoiakl/nyx5/releases/download/v0.4.0/nyx5-0.4.0.mcpb

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

Download nyx5-0.4.0.mcpb and double-click it to install in Claude Desktop.

MCP Bundles install in one click in Claude Desktop. Download the file, then open it.

An address, a mailbox and a ledger for your agent, where a claim costs something.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add nyx5 -- npx -y @nyx5/nyx5

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