How to Connect the AdLabs MCP to Google Gemini (Antigravity)

Prerequisites

• An active AdLabs account (sign in at dashboard.adlabs.app)

• Google Antigravity installed on your machine (https://antigravity.google/download)

• An AdLabs API key

Step 1: Open the MCP Configuration File

In Antigravity, open the Agent Manager from the side panel, then click the three-dot menu and select "MCP Servers."

Then select “Manage MCP Servers” and click “View raw config”

You can also open the file directly at:

• Windows: C:\Users\YourName\.gemini\antigravity\mcp_config.json

• Mac/Linux: ~/.gemini/antigravity/mcp_config.json

Step 2: Add the AdLabs Server Configuration

Paste the following into the file, replacing YOUR_ADLABS_API_KEY with the actual API key from your AdLabs account:

{
  "mcpServers": {
    "adlabs": {
      "serverUrl": "https://mcp.adlabs.app/mcp",
      "headers": {
        "X-ADLABS-MCP-KEY": "YOUR_ADLABS_API_KEY",
        "Content-Type": "application/json"
      }
    }
  }
}

Save the file.

Step 3: Restart Antigravity

Fully close Antigravity (not just minimize) and reopen it. This is required for the new MCP server configuration to load into your session.

Step 4: Verify the Connection

Open a new conversation in Antigravity and type:

/mcp list

You should see adlabs listed.

Next, confirm the AdLabs tools are actually loaded by asking Gemini:

What AdLabs tools do you have access to?

Gemini should list tools like mcp_adlabs_get_entity_data, mcp_adlabs_query, mcp_adlabs_execute_action, and others.

Step 5: Try It Out

Test the connection with a simple prompt like:

• "List my AdLabs teams"

• "Show me my top 10 campaigns by spend last week"

• "Pull search terms with over $100 spend and zero sales in the last 30 days"

Troubleshooting

"No tools loaded in my active session"

If /mcp list shows AdLabs as connected but Gemini says no AdLabs tools are loaded, fully close Antigravity (check Task Manager to make sure no Antigravity process is still running) and reopen. A partial restart sometimes doesn't reload MCP tools.

"Authentication required" error

If you see authentication required: set the X-ADLABS-MCP-KEY header or use OAuth Bearer token, double-check that you're using the X-ADLABS-MCP-KEY header name (not Authorization) and that your API key is pasted correctly with no extra spaces or line breaks.

Important Notes

• API key security: Treat your API key like a password. Don't share it or commit mcp_config.json to a public repo. If you disable or regenerate the key in AdLabs, your MCP connection will immediately lose access and you'll need to update the config with the new key.

• Focus your agent with a GEMINI.md file: You can create a GEMINI.md file in your project folder to give Gemini context about how to use the AdLabs MCP. For example: "You have access to my Amazon PPC data via the AdLabs MCP server. Use it to check campaign performance before suggesting any budget changes."