Cursor

How to use Fly.io with Cursor

You want Fly.io inside Cursor so it can inspect app health and diagnose failed releases, deploy a new image with a safety check, configure a custom domain and verify its certificate, and resize and protect persistent app storage — without you copy-pasting between tabs. Here is the whole setup, once.

Create your Fly.io gateway

The gateway is the thing Cursor connects to, and it is where you decide which Fly.io tools an agent may use. You create it once and every client reuses it.

Create an Arcade account

Sign up and open the dashboard. The free tier is enough to follow this through.
Create an MCP Gateway and select your Fly.io tools

In the dashboard, create a gateway and pick the Fly.io tools you want to expose. The gateway is what your client connects to, and it is where tool access is decided.
Copy your gateway URL

Every client below needs it.
```
https://api.arcade.dev/mcp/<YOUR-GATEWAY-SLUG>
```

Create a Fly.io gateway Opens the gateway builder in your Arcade dashboard.

Connect the gateway to Cursor

Heads up

Cursor does not refresh MCP OAuth tokens automatically. For a persistent connection, set Authorization to “Arcade Headers” on the gateway in the dashboard.

Open MCP settings

Command Palette (⌘⇧P / Ctrl+Shift+P) → Open MCP Settings, then click “New MCP Server”.

Add the gateway to mcpServers

{
  "mcpServers": {
    "mcp-arcade": {
      "url": "https://api.arcade.dev/mcp/<YOUR-GATEWAY-SLUG>"
    }
  }
}

Try it out

Ask Cursor to use one of your Fly.io tools.

Full Cursor guide in the docs steps verified 2026-08-13

Try these Fly.io prompts

Cursor can now act on your Fly.io account. Click a prompt to copy it.

Use a credential with only the Fly.io access the agent needs, and require approval before deploying, changing secrets, scaling, or destroying Machines and volumes. Pair it with Contextual Access policies so read-only troubleshooting does not grant permission to make production changes.

How to use Fly.io with Cursor

Create your Fly.io gateway

Create an Arcade account

Create an MCP Gateway and select your Fly.io tools

Copy your gateway URL

Connect the gateway to Cursor

Open MCP settings

Add the gateway to mcpServers

Try it out

Try these Fly.io prompts

Ready to actually ship your agent?