AI Agent Skills

General best practices for Dart development. Covers code style, effective Dart, and language features.

Profile Dart command-line applications using the VM Service protocol to capture CPU samples and identify performance bottlenecks. Helps agents automate CPU prof

Understand and improve test coverage in a Dart package. Helps agents run coverage, interpret results, and identify missed lines.

Core concepts and best practices for `package:test`. Covers `test`, `group`, lifecycle methods (`setUp`, `tearDown`), and configuration (`dart_test.yaml`).

Guidelines for handling long lines in Dart code to adhere to the 80-column rule. The `lines_longer_than_80_chars` lint.

Use when writing unit tests, mocking dependencies, or validating business logic for Dart CLI and backend applications.

Use when creating Dart command-line tools, parsing CLI arguments with args, handling exit codes, or managing child processes.

Authoritative guide for Dart SDK language specifications, syntax availability, minimum SDK constraints (minSdk), and version changelogs from Dart 1.x through Da

Use when measuring test coverage, generating LCOV or HTML reports, or filtering coverage files.

Use when generating mock objects with package:mockito and build_runner, or choosing between mocktail and mockito.

Use when migrating test assertions from legacy package:matcher expect() syntax to package:checks fluent assertions.

Agent Skills for Dart and Flutter ecosytem

Mobile specialist for Flutter, React Native, and Swift native iOS development. Use for mobile app, Flutter, Dart, React Native, Swift, SwiftUI, iOS, Android, Riverpod, s…

Pre-write audit for skill violations: checks planned code against loaded skill anti-patterns before any file write. Use when writing Flutter/Dart/TS code or editing SKIL…

Diagnoses latent architectural modernization opportunities across Dart and Flutter packages (language idioms, testing hygiene, CLI patterns, doc rot) and prescr

Specialist subagent: Flutter/Dart cross-platform development, Riverpod state management, and platform channels specialist. Use when building Flutter apps, implementing s…