Block Genomics — Nexus Protocol MCP Server

What the code does

We read the source, 14 min ago · rules 3dff92dd89df

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

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Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add block-genomics-mcp -- npx -y block-genomics-mcp

{
  "mcpServers": {
    "block-genomics-mcp": {
      "args": [
        "-y",
        "block-genomics-mcp"
      ],
      "command": "npx"
    }
  }
}

[mcp_servers.block-genomics-mcp]
command = "npx"
args = ["-y", "block-genomics-mcp"]

{
  "mcpServers": {
    "block-genomics-mcp": {
      "args": [
        "-y",
        "block-genomics-mcp"
      ],
      "command": "npx"
    }
  }
}

{
  "mcpServers": {
    "block-genomics-mcp": {
      "args": [
        "-y",
        "block-genomics-mcp"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: BG_API_KEY (Optional read-only sandbox key from POST /api/v1/sandbox/key (100 requests/day). Not required for public read tools.), BG_AGENT_TOKEN (Bearer token issued once by agent registration. Enables the authenticated runtime tools (heartbeat / brief / events).), BG_ENABLE_WRITES (Set to 1 to expose ownership-gated write tools. Requires a BIP-322 signer supplied by the host.), BG_API_BASE (Override the API base URL. Defaults to https://blockgenomics.io.), BG_TIMEOUT_MS (Per-request timeout in milliseconds.). The author declared them in the registry entry; get the values from the project itself.