Google Antigravity

Antigravity expects serverUrl (not url) for HTTP MCP servers.

Steps

1. 1

   Create an API key

   Create an API key in Studio.

2. 2

   Open raw MCP config

   In Antigravity: Agent panel → ⋯ → MCP Servers → Manage → View raw config.

3. 3

   Add the server block

   Add the block below.

4. 4

   Refresh MCP servers

   Click Refresh under Customizations → MCP Servers, or restart Antigravity.

Config paths

~/.gemini/antigravity/mcp_config.json
~/.gemini/config/mcp_config.json

Config

{
  "mcpServers": {
    "stepwik": {
      "serverUrl": "https://mcp.stepwik.com/mcp",
      "headers": {
        "stepwik-api-key": "stepwik_<id>_<secret>"
      }
    }
  }
}

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