add antigravity docs

Author: MatthewDailey

docs.json

@@ -54,6 +54,7 @@
           "install/gemini-cli",
           "install/vscode",
           "install/cursor",
+          "install/antigravity",
           "install/windsurf",
           "install/kiro",
           "install/augment",

install/antigravity.mdx

@@ -0,0 +1,38 @@
+---
+title: "Antigravity"
+description: "Connect Antigravity to up-to-date and token-efficient documentation."
+---
+
+import GetHelp from '/snippets/get-help.mdx';
+
+[Antigravity MCP docs](https://antigravity.google/docs/mcp)
+
+You can find your Ref API key at [ref.tools/keys](https://ref.tools/keys)
+
+## Install Steps
+
+1. Open Agent Chat. 
+2. Click the `...` Additional options button and select `MCP Servers`
+3. Click `Manage MCP Servers`. This should open an editor tab called `Managed MCPS`
+4. Update `mcp_config.json`
+
+```mcp_config.json
+{
+  "mcpServers": {
+    "ref": {
+      "serverUrl": "https://api.ref.tools/mcp",
+      "headers": {
+        "x-ref-api-key": "<your-api-key>"
+      }
+    }
+  }
+}
+```
+
+## Verify
+
+Go back to the `Manage MCP Servers` page and hit `Refresh`
+
+You should see Ref with a green dot. It should say `2 tools, 2 prompts enabled`.
+
+<GetHelp/>

install/index.mdx

@@ -60,6 +60,10 @@ Choose your coding environment below to get started:
   <Card title="VS Code" icon="code" href="/install/vscode">
     Connect VS Code to up-to-date and token-efficient documentation.
   </Card>
+
+  <Card title="Antigravity" icon="rocket" href="/install/antigravity">
+    Connect Antigravity to up-to-date and token-efficient documentation.
+  </Card>
 
   <Card title="Windsurf" icon="wind" href="/install/windsurf">
     Connect Windsurf to up-to-date and token-efficient documentation.