dart-lang

Instructions on building and testing changes using Dart AOT mode. Use when working on Dart runtime, Dart AOT compiler or other related components.

Find obsolete, stale, or not reproducible analysis-server issues in the dart-lang/sdk repository.

Use this skill when diagnosing, reproducing, and improving the performance or latency of Dart Analysis Server (DAS) LSP requests and responses using recorded session communications logs, log normalization, replay tools, and fresh local SDK compilation.

Fetch and display the full patch/diff or comments for a Gerrit CL.

Updates the native_rev dependency in the DEPS file with all correct verification, sync, and testing procedures

Guide for creating, registering, documenting, and testing a new lint in the Dart SDK.

Updates third party dependencies in the Dart SDK

Find which Dart/Flutter releases contain a specific commit sha.

Create, import, edit, or review posts for the official Dart blog at dart.dev/blog, including metadata, media, authors, and publication checks.

Proofreads Markdown files against Google guidelines.

Sync the changelog from the Dart SDK repo to update the changelog.yml entries in the site repository.

Stages the Dart site locally for PR validation. Includes formatting Dart code, syncing excerpts, building the site, checking for broken links, and serving the development site.

Update the whats-new page with changes to the website since the previous release.

Find and close obsolete, stale, or not reproducible issues in the dart-lang/ai repository.

Instructions for updating the README.md file in the `dart_mcp_server` package.

Instructions for updating the supported Model Context Protocol (MCP) specification version in the `dart_mcp` package.

Instructions for adding new features (tools, prompts, etc.) to the dart_mcp_server package.

Migrate legacy package:ffigen YAML configuration (ffigen.yaml or pubspec.yaml) to modern, type-safe Dart generator scripts in tool/ffigen.dart using FfiGenerator. Use this skill when asked to migrate ffigen configs, convert ffigen YAML to Dart code, modernize…

Migrate legacy package:jnigen YAML configuration (jnigen.yaml or pubspec.yaml) to modern, type-safe Dart generator scripts in tool/jnigen.dart using JniGenerator. Use this skill when asked to migrate jnigen configs, convert jnigen YAML to Dart code, modernize…

Refactor Dart code to use modern language features, specifically dot shorthands (member access shorthands) introduced in Dart 3.7. Use this when you want to make code more concise by removing redundant type names in enum or static member access when the…

Updates pinned package dependencies for Dart and Flutter project templates. Use when adding/removing packages from the allowlist or updating dependency versions across Flutter channels (main/beta/stable).