flutter/genui-helper
.agent/skills/genui-helper/SKILL.md
Development helper for the GenUI repository. Use this skill when the user asks about GenUI workflows, running tests, creating components, finding A2UI or Dart references, or adhering to repository standards.
$ install --global
skillsauthnpx skillsauth add flutter/genui genui-helperInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Last scanned: Apr 5, 2026, 12:37 PM56.9s1 file scanned
SKILL.md
- name:
- genui-helper
- description:
- >
GenUI Development Helper
This skill provides workflows and best practices specific to the genui repository.
Workflows
1. Running Tests and Fixes
The repository uses a custom tool to run tests, apply fixes, and format code before committing. It should typically only be run before committing, since it is inefficient and slow to run it on every change.
It will run dart fix --apply, dart format, and flutter test on all packages in the repository.
Command:
dart run tool/test_and_fix/bin/test_and_fix.dart
When to use:
- Before committing changes, to ensure project health.
- Instead of running
flutter testmanually for each project in the repo.
2. Creating a New Component in the genui package
When creating a new UI component in genui:
- Location: Place component files in
packages/genui/lib/src/components/. - Inheritance: Components must extend
UiComponent. - A2UI Compliance: Ensure the component matches the A2UI specification.
- Documentation: Follow strict Dart documentation standards.
3. Updating Documentation
- Documentation source of truth is in
docs/. - Use
mkdocscontext if mentioned, but primarily edit the markdown files directly. - Ensure strict adherence to "Natural Writing" standards (no AI-isms).
Key Constants & Patterns
- Current A2UI Version: v0.9
- State Management: Uses
SurfaceControllerfromgenui.
References
- A2UI Specification
- Available in the submodule at @packages/genui/submodules/a2ui
- The specification documentation is available in @packages/genui/submodules/a2ui/specification/v0.9/docs
- The specification schemas are available in @packages/genui/submodules/a2ui/specification/v0.9/json
- Because it is a submodule, you may need to update the submodule to get the latest specification.
- To find out details of a specific dart compiler diagnostic message, use the following url format to look up the details:
- https://dart.dev/tools/diagnostics/<message_id>
- Example: https://dart.dev/tools/diagnostics/ambiguous_import
- To find out details of a specific analyzer lint message, use the following url format to look up the details:
- https://dart.dev/tools/linter-rules/<lint_rule_id>
- Example: https://dart.dev/tools/linter-rules/always_declare_return_types
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