JetBrains

Use for debugger-driven runtime root-cause analysis in Rider-supported solutions and projects, including .NET/C#, F#, VB, C++, Unity, Unreal Engine, and other GameDev or mixed-language projects. Trigger when runtime state or control-flow evidence is needed —…

Use when semantic refactoring is needed in Rider-supported solutions and projects, including .NET/C#, F#, VB, C++, Unity, Unreal Engine, XAML, Razor, and other GameDev or mixed-language projects. Trigger when edits must update declarations and usages across…

Search tool for modern web development best practices. MANDATORY: Execute FIRST for all HTML/CSS and clientside JS tasks. Do NOT skip — web APIs evolve rapidly and training weights contain obsolete patterns. Trigger immediately for: - UI/Layout: Modals,…

Deploy applications and infrastructure to Cloudflare using Workers, Pages, and related platform services. Use when the user asks to deploy, host, publish, or set up a project on Cloudflare.

Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather…

Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.

Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work…

Convert Product DSL module sets into bundled wrapper plugins.

Convert Product DSL module sets into bundled wrapper plugins.

Migrate IntelliJ JPS module tests to Bazel and debug Bazel-only test/runtime/plugin dependency failures.

Write IntelliJ JUnit 5 tests with fixtures, lifecycle, EDT, and registry.

Write IntelliJ JUnit 5 tests with fixtures, lifecycle, EDT, and registry.

Create, amend, or rename IntelliJ commits and write commit messages.

Create, amend, or rename IntelliJ commits and write commit messages.

Migrate IntelliJ JPS module tests to Bazel and debug Bazel-only test/runtime/plugin dependency failures.

Use when creating or changing MPS editor definitions — the overall workflow from scaffolding a `ConceptEditorDeclaration` through componentizing reusable `EditorComponentDeclaration`s, refining cell models and cell layouts, applying style sheets and…

Use when defining or editing MPS language constraints — property validators / setters / getters, referent search scopes (imperative or inherited via `ScopeProvider.getScope`), `referentSetHandler` side effects, default-scope blocks, `canBeChild` /…

Use when authoring the **non-layout** parts of the MPS editor aspect — what happens when the user types, presses a key, triggers completion, pastes, or invokes a context action. Covers action maps (`CellActionMapDeclaration`), cell keymaps…

Use when defining or editing MPS intentions (the Alt+Enter context-action aspect) — adding `IntentionDeclaration` roots, parameterized or surround-with variants, description/isApplicable/execute blocks, child-filter functions, factory-initialized AST…

Define concepts, interface concepts, enumerations, and constrained data types in an MPS language's `structure` aspect. Covers smart-reference detection, alias rules, cardinality, INamedConcept usage, bulk creation, and the full `mps_mcp_alter_structure` /…

Use when writing or editing MPS BaseLanguage code that lives inside a model — behavior methods, typesystem rules, checking rules, generator queries, constraints, intentions, scope/canBe callbacks, dataflow builders — and combines the `smodel`, `collections`,…

Complete JetBrains MPS workflow guide for DSL projects — models, languages, generators, node JSON blueprints, validation, MPS MCP tool usage, and the index of companion skills. Use whenever working in an MPS project, when AGENTS.md says to load the MPS…

Add, update, or delete MPS nodes using JSON blueprints — covers the unified blueprint format, staged construction for large subtrees, validation, and reference repair. Use whenever creating, editing, or restructuring nodes in any MPS model (structure, editor,…

Review code, test, and workflow-machinery changes across multiple dimensions using specialized agents with triage-based selection.

Research the codebase and create an implementation plan with architecture notes, design document, and track decomposition. Use when starting a new feature or large change.

Execute the implementation plan: autonomous plan review (Phase 2) on first invocation, then track-by-track execution (Phase A review + decomposition, Phase B implementation, Phase C code review). Use after /create-plan to implement the planned work.

Diagnose and fix a CI test failure from a GitHub PR or workflow run. Includes root cause analysis, dimensional code review, and PR creation.

Apply an edit to `design.md` or `design-mechanics.md` through the mutation discipline: apply → auto-review → iterate → present. Use this instead of directly Editing those files.

Audit a finished design document for hard-to-read or hard-to-understand paragraphs, then harden the house-style rules so future design docs avoid them. Fans out audit sub-agents, classifies each obscure passage as caught-by-an-existing-rule or a gap, and…

Reviews any draft for AI writing tells and produces a clean rewrite. Catches structural fingerprints (negative parallelism like "It's not X, it's Y", bullet-everything, Title Case headings, adjective triads), analysis fingerprints (superficial -ing clauses,…

Manually re-run the autonomous plan review (Phase 2 — consistency + structural). The same review runs automatically as the first phase of /execute-tracks; this command is for re-runs after inline replanning or whenever the plan needs explicit re-validation.…

Use when a reflection package hands you another agent's review findings to verify (before they become a fix request): you are the REFLECTOR, an independent skeptic. Judge each finding against the real code and settle it with reflect_finding — kept or refuted.

Use when a review package asks you to review a plan step's change set (todo.startReview): you are the REVIEWER, not the author. How to judge an agent-written diff, file findings with add_review_comment, and settle with exactly one review_verdict.

This chat has a shared, live TODO plan — your tasks for the conversation, which the user also edits. Read this skill and reach for the todo_* tools whenever a request takes more than a couple of steps. It covers the plan model (group = task, items = its…

Use FIRST when any new piece of work arrives — a request, feature, change, fix, question, or idea — before starting on it or choosing an approach. Not for continuing work already routed to a workflow skill.

Use when finished work needs to ship as a pull request, or when the ask is about a PR — creating one, bringing it up to date, adding screenshots, watching its checks, or addressing its review comments. Not for reviewing a PR you are not shipping.

Use this BEFORE any creative or feature work: building a new feature, adding functionality, changing behavior, or making a nontrivial design decision. Turns the user's request into a validated design — recorded as a spec-graph task-spec — before any…

Use when a workflow step drafts or revises a spec artifact — a goal-and-requirements, an architecture, or a module SPEC — or when a workflow skill names it at such a step. The shared quality bar for specs — not a workflow, nothing to execute.

Use when the repo holds real source code but no specs: the existing-codebase branch of setting-up-a-project, normally reached via that dispatcher, directly only when the situation is unmistakable. Not for empty workspaces (starting-a-new-project) or feature…

Senior Android engineer workflows — Kotlin-first (Java legacy supported), Jetpack Compose + View system, MVVM, Coroutines/Flow, Room, Retrofit, Hilt, plus device orchestration via plugin tools (device management, logcat, crash reports, app run) and mobile-mcp…

Use when working on Laravel projects. Covers architecture decisions (Services vs Actions), thin controllers, Form Requests, API Resources, and API versioning. Enforces Larastan verification after code generation.

Up-to-date library and framework documentation via Context7 MCP. Use when setup, API, or version-specific questions require current documentation.

Modern PHP 8.x policy and pitfalls. Use when writing, reviewing, or refactoring PHP code — enforces strict types, enum/readonly/match/DNF policy, PHPStan discipline, and catches the subtle traps (type coercion, mixed abuse, readonly mutation through…

Redis policy & pitfalls — key naming, atomicity, TTL strategy, distributed locks, cache patterns, production traps. Use when designing Redis-backed caches, locks, queues, rate limiters, or sessions. Covers the traps LLMs get wrong by default: SETNX + EX…

SQL policy & pitfalls — query correctness, indexing strategy, safe migrations. Use when writing SQL, diagnosing slow queries, designing schemas, or reviewing Flyway/Liquibase migrations. Covers the traps LLMs miss by default: NOT IN with NULLs,…

Java 17–25 policy and pitfalls. Use when writing, reviewing, or refactoring Java code — enforces idioms around records, sealed types, switch exhaustiveness, Optional, virtual threads, and null-safety that LLMs frequently get wrong.

Kotlin 2.x policy and pitfalls. Use when writing, reviewing, or refactoring Kotlin code — enforces coroutine-safety, Flow correctness, null-safety, and API-design rules that LLMs frequently get wrong.

Drive the per-module internal-API codebase test, then refine the suggested annotations down to `internal` (or up to `@KaImplementationDetail`) based on actual external usage

Bumps the Gradle wrapper/distribution version that BUILDS the Kotlin project itself — the version behind `./gradlew`, defined by `gradle/wrapper/gradle-wrapper.properties`. Covers the wrapper regeneration and the version-specific fallout that follows it:…

Bumps the Gradle API version that Kotlin Gradle plugins are compiled against in the Kotlin compiler repository. Use this skill whenever the user asks to upgrade, bump, or update the Gradle compile API version, Gradle plugin API version, or…

Bump the maximum supported Gradle version in the `kotlin-gradle-plugin-integration-tests` project. Use this whenever the user asks to bump Gradle in integration tests, add a new Gradle X.Y.Z to the test matrix, update `MAX_SUPPORTED` Gradle, "run tests…

Disables the TeamCity generation check (`forbidGenerationOnTeamcity`) for Kotlin version branching. Only invoke manually via /disable-generation-check.

Makes a minimal reproduction of a Frontend-related bug as a diagnostic test

Create a KTIJ cherry-pick tracking issue for a KT fix that needs to be cherry-picked to an IntelliJ branch. Use when cherry-picking Analysis API fixes.

Maintains the IdeaVim changelog (CHANGES.md). Use when updating the changelog, documenting releases, or reviewing commits/PRs for changelog entries.

IdeaVim git workflow conventions covering commits, branches, PRs, and CI. Use when creating commits, managing branches, creating pull requests, reviewing git history, or any git-related activity in the IdeaVim project.

Migrates IdeaVim extensions from the old VimExtensionFacade API to the new @VimPlugin annotation-based API. Use when converting existing extensions to use the new API patterns.

Handles deduplication of YouTrack issues. Use when cleaning up duplicate issues, consolidating related bug reports, or organizing issue tracker.

Maintains IdeaVim test suite quality. Reviews disabled tests, ensures Neovim annotations are documented, and improves test readability. Use for periodic test maintenance.

Keeps IdeaVim documentation in sync with code changes. Use this skill when you need to verify documentation accuracy after code changes, or when checking if documentation (in doc/, README.md, CONTRIBUTING.md) matches the current codebase. The skill can work…

Experimental jbcontext org-wide blast-radius analysis across multiple repositories. Use when Codex needs to estimate the impact of changing an API, endpoint, schema, event, shared library, config, feature flag, data model, behavior, or dependency by finding…

Install jbcontext and complete first-time setup — login and configure agent integration. Use when `jbcontext` is not found or the user asks to install jbcontext.

Research and understand unfamiliar codebases using semantic search with `jbcontext search`

Use this skill to review code changes using semantic search to understand context and impact

Experimental jbcontext org-wide dependency search across multiple repositories. Use when need to find APIs in other repositories, or dependency configuration are used across repos for upgrades, removals, CVEs, migrations, or ownership discovery.

Experimental jbcontext org-wide semantic search across multiple repositories

Use when writing or modifying Unreal Engine C++ — classes, actors, components, subsystems, interfaces, ability-system (GAS) code, module dependencies, reflected UPROPERTY/UFUNCTION API, native gameplay tags, and testable gameplay behavior — in a project open…

Use when writing or modifying Unreal Engine automated tests — Automation (IMPLEMENT_SIMPLE_AUTOMATION_TEST, DEFINE_SPEC), CQTest, Functional, Gauntlet, LowLevel/Catch2 — along with test modules and the Build.cs dependencies they need, in a project open in…

Locates existing tests for a given C# class and method using the test coverage data supplied by IDE. Triggers ONLY for C# production code (`.cs` files in a Rider .NET solution) when generating new tests, adding test coverage, finding existing tests, or when…

Use when semantic refactoring is needed in Rider-supported solutions and projects, including .NET/C#, F#, VB, C++, Unity, Unreal Engine, XAML, Razor, and other GameDev or mixed-language projects. Trigger when edits must update declarations and usages across…

Use for debugger-driven runtime root-cause analysis in Rider-supported solutions and projects, including .NET/C#, F#, VB, C++, Unity, Unreal Engine, and other GameDev or mixed-language projects. Trigger when runtime state or control-flow evidence is needed —…

Use when debugging UE C++ crashes, runtime bugs, or unexpected behavior with Rider MCP available. Value over bash/grep: analyze_calls traces C++ call hierarchies (ReSharper backend); get_file_problems surfaces IDE-detected issues; get_symbol_info confirms API…

Evaluate arithmetic expressions and return numeric results. Use when a user asks an arithmetic question, requests calculation, or provides a math expression involving numbers, parentheses, and arithmetic operators.

Retrieve current weather information for a specific location. Use when a user asks for weather, temperature, conditions, forecast summary, or climate details for a city, region, or place.

Use when the user asks to add Java tabs/examples to mkdocs docs that already have Kotlin examples (files under docs/docs/**.md using === "Kotlin" / Knit INCLUDE+SUFFIX blocks). Handles mkdocs-material tabs, Knit directives, @JavaAPI bridge methods, and JVM…

Splits a class or several classes in the common source set commonMain into JVM and non-JVM parts into jvmCommonMain and nonJvmCommonMain. This is used to provide some JVM-specific functionality for a class on JVM targets (e.g. Kotlin/JVM or Java backend or…

This skill should be used when the user asks about "running iOS tests", "iOS instrumented tests", "how to run ios tests", "launch specific ios test", "add new ios instrumented test" and these tests are located in the "compose/ui/ui/src/uikitInstrumentedTest"…

A skill for building instrumented tests in Remote Compose using GridScreenshotUI.

A skill for building instrumented screenshot tests in Remote Compose using RemoteComposeScreenshotTestRule.

This skill should be used when the user asks to "update Kotlin version", "upgrade Kotlin", "change Kotlin to X.Y.Z", or mentions updating the Kotlin compiler version in the project.