diff --git a/script/tool/CHANGELOG.md b/script/tool/CHANGELOG.md
new file mode 100644
index 000000000000..e489a29d0cf7
--- /dev/null
+++ b/script/tool/CHANGELOG.md
@@ -0,0 +1,307 @@
+## 0.1.0
+
+- **NOTE**: This is no longer intended as a general-purpose package, and is now
+  supported only for flutter/plugins and flutter/tools.
+- Fix version checks
+  - Remove handling of pre-release null-safe versions
+- Fix build all for null-safe template apps
+- Improve handling of web integration tests
+- Supports enforcing standardized copyright files
+- Improve handling of iOS tests
+
+## v.0.0.45+3
+
+- Pin `collection` to `1.14.13` to be able to target Flutter stable (v1.22.6).
+
+## v.0.0.45+2
+
+- Make `publish-plugin` to work on non-flutter packages.
+
+## v.0.0.45+1
+
+- Don't call `flutter format` if there are no Dart files to format.
+
+## v.0.0.45
+
+- Add exclude flag to exclude any plugin from further processing.
+
+## v.0.0.44+7
+
+- `all-plugins-app` doesn't override the AGP version.
+
+## v.0.0.44+6
+
+- Fix code formatting.
+
+## v.0.0.44+5
+
+- Remove `-v` flag on drive-examples.
+
+## v.0.0.44+4
+
+- Fix bug where directory isn't passed
+
+## v.0.0.44+3
+
+- More verbose logging
+
+## v.0.0.44+2
+
+- Remove pre-alpha Windows workaround to create examples on the fly.
+
+## v.0.0.44+1
+
+- Print packages that passed tests in `xctest` command.
+- Remove printing the whole list of simulators.
+
+## v.0.0.44
+
+- Add 'xctest' command to run xctests.
+
+## v.0.0.43
+
+- Allow minor `*-nullsafety` pre release packages.
+
+## v.0.0.42+1
+
+- Fix test command when `--enable-experiment` is called.
+
+## v.0.0.42
+
+- Allow `*-nullsafety` pre release packages.
+
+## v.0.0.41
+
+- Support `--enable-experiment` flag in subcommands `test`, `build-examples`, `drive-examples`,
+and `firebase-test-lab`.
+
+## v.0.0.40
+
+- Support `integration_test/` directory for `drive-examples` command
+
+## v.0.0.39
+
+- Support `integration_test/` directory for `package:integration_test`
+
+## v.0.0.38
+
+- Add C++ and ObjC++ to clang-format.
+
+## v.0.0.37+2
+
+- Make `http` and `http_multi_server` dependency version constraint more flexible.
+
+## v.0.0.37+1
+
+- All_plugin test puts the plugin dependencies into dependency_overrides.
+
+## v.0.0.37
+
+- Only builds mobile example apps when necessary.
+
+## v.0.0.36+3
+
+- Add support for Linux plugins.
+
+## v.0.0.36+2
+
+- Default to showing podspec lint warnings
+
+## v.0.0.36+1
+
+- Serialize linting podspecs.
+
+## v.0.0.36
+
+- Remove retry on Firebase Test Lab's call to gcloud set.
+- Remove quiet flag from Firebase Test Lab's gcloud set command.
+- Allow Firebase Test Lab command to continue past gcloud set network failures.
+  This is a mitigation for the network service sometimes not responding,
+  but it isn't actually necessary to have a network connection for this command.
+
+## v.0.0.35+1
+
+- Minor cleanup to the analyze test.
+
+## v.0.0.35
+
+- Firebase Test Lab command generates a configurable unique path suffix for results.
+
+## v.0.0.34
+
+- Firebase Test Lab command now only tries to configure the project once
+- Firebase Test Lab command now retries project configuration up to five times.
+
+## v.0.0.33+1
+
+- Fixes formatting issues that got past our CI due to
+  https://github.com/flutter/flutter/issues/51585.
+- Changes the default package name for testing method `createFakePubspec` back
+  its previous behavior.
+
+## v.0.0.33
+
+- Version check command now fails on breaking changes to platform interfaces.
+- Updated version check test to be more flexible.
+
+## v.0.0.32+7
+
+- Ensure that Firebase Test Lab tests have a unique storage bucket for each test run.
+
+## v.0.0.32+6
+
+- Ensure that Firebase Test Lab tests have a unique storage bucket for each package.
+
+## v.0.0.32+5
+
+- Remove --fail-fast and --silent from lint podspec command.
+
+## v.0.0.32+4
+
+- Update `publish-plugin` to use `flutter pub publish` instead of just `pub
+  publish`. Enforces a `pub publish` command that matches the Dart SDK in the
+  user's Flutter install.
+
+## v.0.0.32+3
+
+- Update Firebase Testlab deprecated test device. (Pixel 3 API 28 -> Pixel 4 API 29).
+
+## v.0.0.32+2
+
+- Runs pub get before building macos to avoid failures.
+
+## v.0.0.32+1
+
+- Default macOS example builds to false. Previously they were running whenever
+  CI was itself running on macOS.
+
+## v.0.0.32
+
+- `analyze` now asserts that the global `analysis_options.yaml` is the only one
+  by default. Individual directories can be excluded from this check with the
+  new `--custom-analysis` flag.
+
+## v.0.0.31+1
+
+- Add --skip and --no-analyze flags to podspec command.
+
+## v.0.0.31
+
+- Add support for macos on `DriveExamplesCommand` and `BuildExamplesCommand`.
+
+## v.0.0.30
+
+- Adopt pedantic analysis options, fix firebase_test_lab_test.
+
+## v.0.0.29
+
+- Add a command to run pod lib lint on podspec files.
+
+## v.0.0.28
+
+- Increase Firebase test lab timeouts to 5 minutes.
+
+## v.0.0.27
+
+- Run tests with `--platform=chrome` for web plugins.
+
+## v.0.0.26
+
+- Add a command for publishing plugins to pub.
+
+## v.0.0.25
+
+- Update `DriveExamplesCommand` to use `ProcessRunner`.
+- Make `DriveExamplesCommand` rely on `ProcessRunner` to determine if the test fails or not.
+- Add simple tests for `DriveExamplesCommand`.
+
+## v.0.0.24
+
+- Gracefully handle pubspec.yaml files for new plugins.
+- Additional unit testing.
+
+## v.0.0.23
+
+- Add a test case for transitive dependency solving in the
+  `create_all_plugins_app` command.
+
+## v.0.0.22
+
+- Updated firebase-test-lab command with updated conventions for test locations.
+- Updated firebase-test-lab to add an optional "device" argument.
+- Updated version-check command to always compare refs instead of using the working copy.
+- Added unit tests for the firebase-test-lab and version-check commands.
+- Add ProcessRunner to mock running processes for testing.
+
+## v.0.0.21
+
+- Support the `--plugins` argument for federated plugins.
+
+## v.0.0.20
+
+- Support for finding federated plugins, where one directory contains
+  multiple packages for different platform implementations.
+
+## v.0.0.19+3
+
+- Use `package:file` for file I/O.
+
+## v.0.0.19+2
+
+- Use java as language when calling `flutter create`.
+
+## v.0.0.19+1
+
+- Rename command for `CreateAllPluginsAppCommand`.
+
+## v.0.0.19
+
+- Use flutter create to build app testing plugin compilation.
+
+## v.0.0.18+2
+
+- Fix `.travis.yml` file name in `README.md`.
+
+## v0.0.18+1
+
+- Skip version check if it contains `publish_to: none`.
+
+## v0.0.18
+
+- Add option to exclude packages from generated pubspec command.
+
+## v0.0.17+4
+
+- Avoid trying to version-check pubspecs that are missing a version.
+
+## v0.0.17+3
+
+- version-check accounts for [pre-1.0 patch versions](https://github.com/flutter/flutter/issues/35412).
+
+## v0.0.17+2
+
+- Fix exception handling for version checker
+
+## v0.0.17+1
+
+- Fix bug where we used a flag instead of an option
+
+## v0.0.17
+
+- Add a command for checking the version number
+
+## v0.0.16
+
+- Add a command for generating `pubspec.yaml` for All Plugins app.
+
+## v0.0.15
+
+- Add a command for running driver tests of plugin examples.
+
+## v0.0.14
+
+- Check for dependencies->flutter instead of top level flutter node.
+
+## v0.0.13
+
+- Differentiate between Flutter and non-Flutter (but potentially Flutter consumed) Dart packages.
diff --git a/script/tool/LICENSE b/script/tool/LICENSE
new file mode 100644
index 000000000000..c6823b81eb84
--- /dev/null
+++ b/script/tool/LICENSE
@@ -0,0 +1,25 @@
+Copyright 2013 The Flutter Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of Google Inc. nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/script/tool/README.md b/script/tool/README.md
index daea4d86390b..b759b9a9ce51 100644
--- a/script/tool/README.md
+++ b/script/tool/README.md
@@ -1,8 +1,15 @@
 # Flutter Plugin Tools
 
+This is a set of utilities used in the flutter/plugins and flutter/packages
+repositories. It is no longer explictily maintained as a general-purpose tool
+for multi-package repositories, so your mileage may vary if using it in other
+repositories.
+
+----
+
 Note: The commands in tools are designed to run at the root of the repository or `<repository-root>/packages/`.
 
-To run the tool:
+To run the tool (in flutter/plugins):
 
 ```sh
 cd <path_to_plugins>/script/tool && dart pub get && cd ../../
diff --git a/script/tool/pubspec.yaml b/script/tool/pubspec.yaml
index 9260e8f48fa3..4b5f4987ddef 100644
--- a/script/tool/pubspec.yaml
+++ b/script/tool/pubspec.yaml
@@ -1,6 +1,7 @@
 name: flutter_plugin_tools
-description: Productivity utils for hosting multiple plugins within one repository.
-publish_to: none
+description: Productivity utils for flutter/plugins and flutter/packages
+repository: https://github.com/flutter/plugins/tree/master/script/tool
+version: 0.1.0
 
 dependencies:
   args: "^1.4.3"
@@ -19,12 +20,12 @@ dependencies:
   file: ^5.0.10
   uuid: ^2.0.4
   http_multi_server: ^2.2.0
-  collection: 1.14.13
+  collection: ^1.14.13
 
 dev_dependencies:
   matcher: ^0.12.6
   mockito: ^4.1.1
-  pedantic: 1.8.0
+  pedantic: ^1.8.0
 
 environment:
   sdk: ">=2.3.0 <3.0.0"