How to Use the Node-RED MCP in Cursor

Q: Can Cursor edit my Node-RED flows?

Yes. By using addflow or updateflow, the agent can modify your JSON flow definitions. Always review the changes in your editor before committing them.

Build and debug your automation logic by letting Cursor interact with your Node-RED environment.

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Connect Node-RED MCP to Cursor

Create your Vinkius account to connect Node-RED to Cursor and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Node-RED with Cursor

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Claude

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Cursor-driven Node-RED flow updates

Your agent can now write flow logic for you. Use `add_flow` to inject new nodes or `update_flow` to modify existing ones while you code. It treats your flows like any other source code. You get live feedback on your changes without switching contexts.

Live diagnostics for Node-RED in Cursor

Run `get_diagnostics` to see why your automation is lagging. It gives you the memory and system stats you need to debug performance issues immediately. Don't guess at the cause. Check the output against your code changes to see if a specific node is driving up your usage.

Automated Node-RED package management

Need a specific library? Ask your agent to run `install_node` to pull it into your Node-RED instance automatically. It keeps your dependencies in sync with your project requirements. You can verify the installation status instantly with `get_nodes`.

Setup guide

Set up Node-RED MCP in Cursor

Prerequisites

Cursor installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP Settings

Go to Cursor Settings → MCP or open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P) and search for "MCP: Add Server".
2

Add the Node-RED MCP

Cursor will create or open .cursor/mcp.json in your project root. Paste the JSON snippet on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Enable Agent mode

Open Composer (Cmd+I / Ctrl+I) and switch to Agent mode using the dropdown at the top. MCP tools are only available in Agent mode.
4

Verify the connection

Ask Cursor something like "List my recent Node-RED transactions." If the MCP tools are loaded correctly, Cursor will call the Node-RED tools automatically. You can also check Settings → MCP for a green status indicator.

.cursor/mcp.json

{
  "mcpServers": {
    "node-red-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Node-RED. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Node-RED MCP in Cursor

Create an mcp.json file in your project root. Define the server path there, and Cursor will automatically load the tools for your chat agent.

Yes. By using `add_flow` or `update_flow`, the agent can modify your JSON flow definitions. Always review the changes in your editor before committing them.

You manage your credentials through the server configuration. The agent only uses the permissions you explicitly grant via the MCP interface.

Yes. Once configured, your agent sees these tools as available actions. You can ask it to check system health or deploy new logic directly.

The agent interacts with your flow JSON and runtime metadata. It does not read your private system files unless you specifically point it at them.

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