flow-nexus

flow-nexus is a local MCP server: Cloud-powered AI platform with multi-agent swarms, sandboxes, and workflow automation. Install it from npm as flow-nexus.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add flow-nexus -e FLOW_NEXUS_API_KEY=... -e FLOW_NEXUS_BASE_URL=... -e E2B_API_KEY=... -e ANTHROPIC_API_KEY=... -- npx -y flow-nexus

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "flow-nexus": {
      "command": "npx",
      "args": [
        "-y",
        "flow-nexus"
      ],
      "env": {
        "FLOW_NEXUS_API_KEY": "...",
        "FLOW_NEXUS_BASE_URL": "...",
        "E2B_API_KEY": "...",
        "ANTHROPIC_API_KEY": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

• Runtime: Node.js 18+ (runs with npx).
• MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
• Environment variables: FLOW_NEXUS_API_KEY, FLOW_NEXUS_BASE_URL, E2B_API_KEY, ANTHROPIC_API_KEY