Block Genomics — Nexus Protocol MCP Server

by bitmapassetio.github.BitmapAsset/block-genomics-mcpv0.1.2

Prove Bitcoin block ownership via BIP-322 and register sovereign AI agents on the Nexus Protocol.

1Node.jsstdioofficial registry

context tax

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security

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cold start

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freshness

Maintained37d ago

Install Block Genomics — Nexus Protocol MCP server

claude mcp add bg -e BG_API_KEY='<bg-api-key>' -e BG_AGENT_TOKEN='<bg-agent-token>' -- npx -y block-genomics-mcp

{
  "mcpServers": {
    "bg": {
      "command": "npx",
      "args": [
        "-y",
        "block-genomics-mcp"
      ],
      "env": {
        "BG_API_KEY": "<bg-api-key>",
        "BG_AGENT_TOKEN": "<bg-agent-token>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "bg": {
      "command": "npx",
      "args": [
        "-y",
        "block-genomics-mcp"
      ],
      "env": {
        "BG_API_KEY": "<bg-api-key>",
        "BG_AGENT_TOKEN": "<bg-agent-token>"
      }
    }
  }
}

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

{
  "servers": {
    "bg": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "block-genomics-mcp"
      ],
      "env": {
        "BG_API_KEY": "<bg-api-key>",
        "BG_AGENT_TOKEN": "<bg-agent-token>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "bg": {
      "command": "npx",
      "args": [
        "-y",
        "block-genomics-mcp"
      ],
      "env": {
        "BG_API_KEY": "<bg-api-key>",
        "BG_AGENT_TOKEN": "<bg-agent-token>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
BG_API_KEY	—	yes	Optional read-only sandbox key from POST /api/v1/sandbox/key (100 requests/day). Not required for public read tools.
BG_AGENT_TOKEN	—	yes	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.

Freshness

Maintained — last maintenance signal 37d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-03 · 37d ago · GitHub
Latest release
2026-07-11 · 3mo ago · GitHub · v1.2.1
Package published
no data · npm/PyPI
Registry entry updated
2026-08-10 · 2mo ago · official registry · v0.1.2

FAQ

›How do I install the Block Genomics — Nexus Protocol MCP server in Claude Code?

Run: claude mcp add bg -e BG_API_KEY='<bg-api-key>' -e BG_AGENT_TOKEN='<bg-agent-token>' -- npx -y block-genomics-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Block Genomics — Nexus Protocol require an API key?

Yes. It expects BG_API_KEY, BG_AGENT_TOKEN, of which 2 are secrets.

›Can I use Block Genomics — Nexus Protocol as a remote (hosted) MCP server?

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

›Is Block Genomics — Nexus Protocol in the official MCP registry?

Yes, as io.github.BitmapAsset/block-genomics-mcp.