feat(antigravity): AG-UI integration for Google Antigravity

.github/config-allowlist.txt

@@ -3,6 +3,7 @@ integrations/a2a/typescript/tsdown.config.ts
 integrations/adk-middleware/typescript/tsdown.config.ts
 integrations/ag2/typescript/tsdown.config.ts
 integrations/agno/typescript/tsdown.config.ts
+integrations/antigravity/typescript/tsdown.config.ts
 integrations/aws-strands/typescript/tsdown.config.ts
 integrations/claude-agent-sdk/typescript/tsup.config.ts
 integrations/claude-managed-agents/typescript/tsdown.config.ts

apps/dojo/package.json

@@ -21,6 +21,7 @@
     "@ag-ui/adk": "workspace:*",
     "@ag-ui/ag2": "workspace:*",
     "@ag-ui/agno": "workspace:*",
+    "@ag-ui/antigravity": "workspace:*",
     "@ag-ui/aws-strands": "workspace:*",
     "@ag-ui/claude-agent-sdk": "workspace:*",
     "@ag-ui/claude-managed-agents": "workspace:*",

apps/dojo/scripts/generate-content-json.ts

@@ -388,6 +388,33 @@ const agentFilesMapper: Record<
       {},
     );
   },
+  antigravity: (agentKeys: string[]) => {
+    return agentKeys.reduce(
+      (acc, agentId) => ({
+        ...acc,
+        [agentId]: [
+          path.join(
+            __dirname,
+            integrationsFolderPath,
+            `/antigravity/python/examples/server/api/${agentId}.py`,
+          ),
+          // Each demo file is a thin delegation; the model, workspace and
+          // capability config it calls into all live in _common.py.
+          path.join(
+            __dirname,
+            integrationsFolderPath,
+            "/antigravity/python/examples/server/api/_common.py",
+          ),
+          path.join(
+            __dirname,
+            integrationsFolderPath,
+            "/antigravity/python/examples/server/__init__.py",
+          ),
+        ],
+      }),
+      {},
+    );
+  },
   "aws-strands": (agentKeys: string[]) => {
     return agentKeys.reduce(
       (acc, agentId) => ({

apps/dojo/scripts/prep-dojo-everything.js

@@ -119,6 +119,11 @@ const ALL_TARGETS = {
     name: "ADK Middleware",
     cwd: path.join(integrationsRoot, "adk-middleware/python/examples"),
   },
+  antigravity: {
+    command: "uv sync",
+    name: "Antigravity",
+    cwd: path.join(integrationsRoot, "antigravity/python/examples"),
+  },
   "a2a-middleware": {
     command: "uv sync",
     name: "A2A Middleware",

apps/dojo/scripts/run-dojo-everything.js

@@ -193,6 +193,14 @@ const ALL_SERVICES = {
       env: { PORT: 8010 },
     },
   ],
+  antigravity: [
+    {
+      command: "uv run dev",
+      name: "Antigravity",
+      cwd: path.join(integrationsRoot, "antigravity/python/examples"),
+      env: { PORT: 8027 },
+    },
+  ],
   "a2a-middleware": [
     {
       command: "uv run buildings_management.py",

apps/dojo/src/agents.ts

@@ -24,6 +24,7 @@ import {
 import { a2uiFixedSchemaAgent } from "./mastra/agents/a2ui-fixed";
 import { PydanticAIAgent } from "@ag-ui/pydantic-ai";
 import { ADKAgent } from "@ag-ui/adk";
+import { AntigravityAgent } from "@ag-ui/antigravity";
 import { SpringAiAgent } from "@ag-ui/spring-ai";
 import { HttpAgent } from "@ag-ui/client";
 import { A2AMiddlewareAgent } from "@ag-ui/a2a-middleware";
@@ -118,6 +119,17 @@ export const agentsIntegrations = {
     return agents;
   },
 
+  antigravity: async () =>
+    mapAgents(
+      (path) => new AntigravityAgent({ url: `${envVars.antigravityUrl}/${path}` }),
+      {
+        agentic_chat: "agentic_chat",
+        human_in_the_loop: "human_in_the_loop",
+        tool_based_generative_ui: "tool_based_generative_ui",
+        backend_tool_rendering: "backend_tool_rendering",
+      },
+    ),
+
   "server-starter-all-features": async () =>
     mapAgents(
       (path) =>

apps/dojo/src/env.ts

@@ -13,6 +13,7 @@ type envVars = {
   agentSpecUrl: string;
   pydanticAIUrl: string;
   adkMiddlewareUrl: string;
+  antigravityUrl: string;
   agentFrameworkPythonUrl: string;
   a2aUrl: string;
   agentFrameworkDotnetUrl: string;
@@ -64,6 +65,7 @@ export default function getEnvVars(): envVars {
     agentSpecUrl: process.env.AGENT_SPEC_URL || "http://localhost:9003",
     pydanticAIUrl: process.env.PYDANTIC_AI_URL || "http://localhost:9000",
     adkMiddlewareUrl: process.env.ADK_MIDDLEWARE_URL || "http://localhost:8000",
+    antigravityUrl: process.env.ANTIGRAVITY_URL || "http://localhost:8027",
     agentFrameworkPythonUrl:
       process.env.AGENT_FRAMEWORK_PYTHON_URL || "http://localhost:8015",
     agentFrameworkDotnetUrl:

apps/dojo/src/menu.ts

@@ -184,6 +184,16 @@ export const menuIntegrations = [
       "a2ui_recovery",
     ],
   },
+  {
+    id: "antigravity",
+    name: "Google Antigravity",
+    features: [
+      "agentic_chat",
+      "human_in_the_loop",
+      "tool_based_generative_ui",
+      "backend_tool_rendering",
+    ],
+  },
   {
     id: "microsoft-agent-framework-dotnet",
     name: "Microsoft Agent Framework (.NET)",

integrations/antigravity/python/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.