diff --git a/.agents/skills/stage-site/SKILL.md b/.agents/skills/stage-site/SKILL.md
deleted file mode 100644
index 6e61bad0df..0000000000
--- a/.agents/skills/stage-site/SKILL.md
+++ /dev/null
@@ -1,54 +0,0 @@
----
-name: stage-site
-description: >-
- Stages the Flutter site locally. This includes checking for broken links,
- verifying excerpts, updating formatting, and serving the dev site.
----
-
-# Stage the Flutter site
-
-Before committing changes or reviewing a PR locally,
-it is important to stage the site and ensure everything works correctly.
-Follow these steps to stage the site:
-
-## 1. Check for broken links
-
-Run the following command to check for any unlinked or broken
-Markdown link references in the site output:
-
-```bash
-dart run dash_site check-link-references
-```
-
-Alternatively, to verify all links between pages on the site work:
-
-```bash
-dart run dash_site check-links
-```
-
-If any broken links are found, try to patch them or alert the user.
-
-## 2. Sync code excerpts
-
-Ensure that any changed code excerpts are properly run and synced to the Markdown files:
-
-```bash
-dart run dash_site refresh-excerpts
-```
-
-## 3. Update formatting
-
-Update the formatting of the site examples and tools to ensure
-they follow the official Dart format:
-
-```bash
-dart run dash_site format-dart
-```
-
-## 4. Stage the site locally
-
-Finally, serve a local development server of the site so the user can preview the changes:
-
-```bash
-dart run dash_site serve
-```
diff --git a/src/content/ai/ai-toolkit/index.md b/src/content/ai/ai-toolkit/index.md
index 6d5964b4fe..deda1a68e2 100644
--- a/src/content/ai/ai-toolkit/index.md
+++ b/src/content/ai/ai-toolkit/index.md
@@ -46,20 +46,10 @@ Here's what the demo example looks like hosting the AI Toolkit:
The [source code for this demo][src-code] is available in the repo on GitHub.
-Or, you can open it in [Firebase Studio][], Google's full-stack AI workspace and
-IDE that runs in the cloud:
-
-
-
+Or, you can open it in [Antigravity][], Google's full-stack AI workspace and IDE.
[src-code]: {{site.github}}/flutter/ai/blob/main/example/lib/demo/demo.dart
-[Firebase Studio]: https://firebase.studio/
+[Antigravity]: https://antigravity.google/
## Get started
diff --git a/src/content/ai/mcp-server.md b/src/content/ai/mcp-server.md
index 0789762b37..64d6e5d44b 100644
--- a/src/content/ai/mcp-server.md
+++ b/src/content/ai/mcp-server.md
@@ -32,7 +32,7 @@ an MCP client should also support [Roots][].
If you are using a client that claims it
supports roots but doesn't actually set them,
-pass `--force-roots-fallback` to enable tools for managing the roots.
+pass `--force-roots-fallback` flag to enable tools for managing the roots.
The Dart and Flutter MCP server provides a growing list of tools that
grant AI assistants deep insights into your project.
@@ -169,44 +169,6 @@ documentation for [setting up MCP servers][].
[Gemini CLI]: https://geminicli.com/
[setting up MCP servers]: https://geminicli.com/docs/tools/mcp-server/#how-to-set-up-your-mcp-server
-### Firebase Studio
-
-If you wish to use the Dart and Flutter MCP Server in [Firebase Studio][],
-an agentic cloud-based development environment that helps
-you build and ship production-quality full-stack AI apps,
-follow these steps:
-
-1. In your Firebase Studio app project, create a
- `.idx/mcp.json` file in your project if it
- doesn't exist already and add the following
- Dart and Flutter MCP Server configuration to the file:
-
- ```json title=".idx/mcp.json"
- {
- "mcpServers": {
- "dart": {
- "command": "dart",
- "args": [
- "mcp-server"
- ]
- }
- }
- }
- ```
-
-1. Ensure your environment is running Dart SDK 3.9/Flutter 3.35 or later.
-1. Rebuild your workspace to complete the setup.
- * Open the Command Palette (**Shift+Ctrl+P**).
- * Enter **Firebase Studio: Rebuild Environment**.
-
-For more information about MCP server configuration in Firebase Studio,
-check out [Connect to MCP servers][fs-mcp] and
-[Customize your Firebase Studio workspace][].
-
-[Firebase Studio]: https://firebase.studio/
-[fs-mcp]: https://firebase.google.com/docs/studio/mcp-servers
-[Customize your Firebase Studio workspace]: https://firebase.google.com/docs/studio/customize-workspace
-
### Gemini Code Assist in VS Code
[Gemini Code Assist][]'s [Agent mode][] integrates the
diff --git a/src/content/install/custom.md b/src/content/install/custom.md
index 36504cc98a..05345d844c 100644
--- a/src/content/install/custom.md
+++ b/src/content/install/custom.md
@@ -48,8 +48,8 @@ Choose one of the following installation methods:
For the best development experience with Flutter,
install an IDE or editor with support for Dart and Flutter.
-Some popular options include VS Code, Android Studio,
-Firebase Studio, and other Code OSS-based editors.
+Some popular options include VS Code, Antigravity,
+Android Studio, and other Code OSS-based editors.
+{% endcomment -%}
## Set up a target platform {: #target-platform}
diff --git a/src/content/install/index.md b/src/content/install/index.md
index 7dc84cbfb5..bef0791791 100644
--- a/src/content/install/index.md
+++ b/src/content/install/index.md
@@ -53,15 +53,15 @@ You can quickly try Flutter online without any local setup.
Quickly build and run simple single-file Flutter apps on the web.
@@ -121,4 +121,5 @@ Guides to help you resolve common issues with your Flutter development environme
Uninstall Flutter from your system.
-
\ No newline at end of file
+
+
diff --git a/src/content/reference/create-new-app.md b/src/content/reference/create-new-app.md
index 8d929d9108..cc4ce98430 100644
--- a/src/content/reference/create-new-app.md
+++ b/src/content/reference/create-new-app.md
@@ -38,12 +38,12 @@ choose your preferred environment and follow the corresponding instructions.
Create a new Flutter app without leaving your IntelliJ-based IDE.
@@ -300,61 +300,62 @@ check out the [IntelliJ for Flutter reference][ij-more].
-## Firebase Studio
+## Antigravity
-To create a Flutter app with [Firebase Studio][fbs],
-you first need a Google account and to [set up Firebase Studio][fbs-setup].
-Then follow these steps:
+To create a Flutter app with [Antigravity][ag],
+you first need a Google account and to [download it][ag-install].
- 1.
Launch Firebase Studio
+To set it up, do the following:
- In your preferred browser, navigate to the [Firebase Studio dashboard][]
- found at `studio.firebase.google.com/`.
- If you haven't yet, you might need to log in to your Google account.
+ 1.
Launch Antigravity
- 1.
Create a new workspace
+ After opening Antigravity the first time,
+ the **How do you want to use Antigravity** screen
+ provides a list of radio buttons as well as some pulldown menus
+ that you can use to customize your use of the tool
- In the Firebase Studio dashboard, find the **Start coding an app** section.
- It should include a variety of templates to choose from.
- Select the **Flutter** template.
- If you can't find it, it might be under a **Mobile** category.
+ We recommend that you select **Review-driven development**,
+ which allows you to review and controll any commands that
+ Antigravity wants to run. Note that you can changed this
+ setting at any time to give Antigravity more control or less.
+ Even if you give Antigravity control to run commands,
+ you can specify certain commands that will always ask
+ for your review, such a `rm`.
- 1.
Name your workspace
+ 1.
Install the Dart and Flutter extensions
- Firebase Studio should prompt you to **Name your workspace**.
- This name is distinct from the name of your Flutter app.
- Choose a descriptive name that you'll recognize
- in a list of your workspaces.
+ Open the **Extensions** menu in the left nav and search for Dart.
+ The search results bring up both Dart and Flutter extensions.
+ Click the **install** button for Dart and then do the same
+ for Flutter.
- 1.
Provision your new workspace
+ 1.
Set up any MCP servers that you use
- Once you've chosen a name and configured your workspace,
- click **Create** to provision your new workspace.
+ Click the 3-dot hamburger menu in the upper right of
+ the xxx screen. Select **Manage MCP Servers** from
+ the pulldown menu.
+
+ The **MCP Store** screen displays and you can search for Dart,
+ which is likely already in the display list.
+ Click **install**.
- 1.
Wait for workspace initialization
+ After installing any servers that you want,
+ view them by clicking the **Manage MCP Servers** button
+ (not the same as the pulldown menu),
+ and click **View raw config** to access your JSON manifest.
- Firebase Studio will now initialize your workspace,
- bootstrap your project file structure,
- and retrieve your app's dependencies.
- This might take a while.
-
-1.
Run your app
-
- Your new app should now be created and opened in the Firebase Studio editor.
- To try your new app, follow the docs provided by Firebase Studio to
- [preview your app][fbs-preview] on the web or on Android.
-
-{:.steps}
+ 1. Watch the following [Flutter + Antigravity] 10-minute video
+ for these tips and also to learn how to take advantage
+ of Antigravity's other benefits.
-You've successfully created a new Flutter app in Firebase Studio!
-If you need help configuring your workspace,
-check out [Customize your Firebase studio workspace][fbs-customize].
+
-[fbs]: https://firebase.studio
-[Firebase Studio dashboard]: https://studio.firebase.google.com/
-[fbs-setup]: https://firebase.google.com/docs/studio/get-started
-[fbs-preview]: https://firebase.google.com/docs/studio/preview-apps
-[fbs-customize]: https://firebase.google.com/docs/studio/customize-workspace
+[ag]: https://antigravity.google/
+[ag-codelab]: {{site.codelabs}}/getting-started-google-antigravity#0
+[ag-install]: https://antigravity.google/download
+[ag-video]: https://www.youtube.com/watch?v=YY2w2JEX2xk&t=1s
+[sunsetFS]: https://firebase.blog/posts/2026/03/announcing-ai-studio-integration
## Terminal
diff --git a/src/content/resources/faq.md b/src/content/resources/faq.md
index 61c1c30614..ac5bc119a6 100644
--- a/src/content/resources/faq.md
+++ b/src/content/resources/faq.md
@@ -157,20 +157,12 @@ Flutter includes:
### Does Flutter work with any editors or IDEs?
We provide plugins for [VS Code][],
+[Antigravity][] (an AI-assisted IDE),
[Android Studio][], and [IntelliJ IDEA][].
See [editor configuration][] for setup details,
and [VS Code][] and [Android Studio/IntelliJ][]
for tips on how to use the plugins.
-[Firebase Studio][], currently in preview,
-is an AI-assisted workspace for full-stack,
-multiplatform app development in the cloud.
-Firebase Studio supports Dart and Flutter. For more information,
-check out [Get started with Firebase Studio][].
-
-[Firebase Studio]: https://firebase.studio/
-[Get started with Firebase Studio]: https://firebase.google.com/docs/studio/get-started
-
Alternatively, you can use the `flutter` command
from a terminal, along with one
of the many editors that support [editing Dart][].
diff --git a/src/content/tools/antigravity.md b/src/content/tools/antigravity.md
new file mode 100644
index 0000000000..88ca8b493b
--- /dev/null
+++ b/src/content/tools/antigravity.md
@@ -0,0 +1,29 @@
+---
+title: Antigravity
+shortTitle: Antigravity
+description: Learn about the Antigravity agentic coding assistant.
+---
+
+## Introduction
+
+[Antigravity][ag] is a powerful agentic AI coding assistant and IDE
+for building apps, including Flutter apps.
+You can pair with Antigravity to solve your
+coding tasks, create new codebases, modify existing ones,
+and answer questions.
+
+:::note
+[Antigravity replaces Firebase Studio][ag-announce].
+:::
+
+If you aren't familiar with Google's Antigravity, check out the
+[Flutter + Antigravity in 10 minutes][ag-video] video:
+
+
+
+
+[ag]: https://antigravity.google/
+[ag-announce]: https://firebase.google.com/docs/studio/migrating-project
+[ag-codelab]: {{site.codelabs}}/getting-started-google-antigravity#0
+[ag-video]: {{site.youtube-site}}/watch?v=YY2w2JEX2xk&t=1s
diff --git a/src/content/tools/editors.md b/src/content/tools/editors.md
index f9ee04cfd2..ad3a0c2054 100644
--- a/src/content/tools/editors.md
+++ b/src/content/tools/editors.md
@@ -60,15 +60,15 @@ with one of the following editors.
Quickly build and run simple single-file Flutter apps on the web.