lang-cypher-dev
Foundational Cypher (Neo4j) patterns covering graph pattern matching, MATCH/CREATE/MERGE/DELETE operations, relationships, path patterns, aggregation, filtering, and common graph query patterns. Use when writing Cypher queries, modeling graph data, or needing guidance on graph database operations. This is the entry point for Cypher development.
lang-csharp-library-dev
C#-specific library development patterns. Use when creating .NET class libraries, designing NuGet packages, configuring project files, implementing strong naming and versioning, writing XML documentation, unit testing with xUnit/NUnit, source generators, and multi-targeting. Extends meta-library-dev with .NET tooling and ecosystem patterns.
lang-csharp-dev
Foundational C# patterns covering LINQ, async/await, nullable types, records, and pattern matching. Use when writing C# code or needing guidance on C# features. This is the entry point for C# development.
lang-cpp-library-dev
C++-specific library development patterns. Use when creating C++ libraries, designing header-only vs compiled libraries, configuring CMake for library targets, managing ABI stability and versioning, integrating with Conan/vcpkg, documenting with Doxygen, or testing with GoogleTest/Catch2. Extends meta-library-dev with C++ tooling and idioms.
lang-cpp-dev
Foundational C++ patterns covering core syntax, classes, templates, RAII, move semantics, and modern C++ features (C++11/14/17/20). Use when writing C++ code, understanding the type system, memory management, or needing guidance on which specialized C++ skill to use. This is the entry point for C++ development.
lang-clojure-library-dev
Clojure library development patterns covering functional design idioms, namespace organization, deps.edn and Leiningen configuration, protocols and multimethods, spec for validation, testing with clojure.test, and publishing to Clojars. Use when creating Clojure libraries, designing functional APIs, or configuring Clojure projects for distribution.
lang-clojure-dev
Foundational Clojure patterns covering functional programming, REPL-driven development, immutable data structures, and idiomatic code. Use when writing Clojure code, working with sequences and lazy evaluation, understanding macros, or needing guidance on functional programming patterns. This is the entry point for Clojure development.
lang-carbon-library-dev
Carbon language library development patterns including interoperability with C++, memory safety patterns, generic programming, build system integration, testing approaches, and documentation standards. Use when creating Carbon libraries, designing public APIs with safety and interoperability in mind, or porting C++ libraries to Carbon.
lang-carbon-dev
Foundational Carbon patterns covering memory safety, modern syntax, C++ interop, and Carbon idioms. Use when writing Carbon code or migrating from C++. This is the entry point for Carbon development.
lang-c-library-dev
C library development patterns covering API design, header organization, memory management for libraries, ABI stability, build system integration, documentation with Doxygen, testing frameworks, and packaging. Use when creating C libraries, designing public APIs, managing build systems (CMake, Make, Meson), or distributing C packages. Extends lang-c-dev with library-specific tooling and patterns.
lang-c-dev
Foundational C programming patterns covering type system, memory management, pointers, arrays, preprocessor, compilation, concurrency (pthreads, mutexes, atomics), serialization (binary, JSON, struct packing), and testing (Unity, CMocka, Check). Complete 8/8 pillar coverage. Use when writing C code, understanding manual memory management, working with system-level programming, or needing guidance on which specialized C skill to use. This is the entry point for C development.
justfile-dev
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iac-terraform-provider-dev
Develop custom Terraform and OpenTofu providers using the Plugin Framework. Use when creating new providers, implementing CRUD operations, writing acceptance tests, debugging provider issues, or migrating from SDKv2 to Plugin Framework. Covers TDD workflow, resource/data source patterns, and terraform-plugin-testing.
iac-terraform-orchestration-ops
Orchestrate Terraform and OpenTofu at scale using Terragrunt, Terramate, or Atmos. Use when managing multiple environments, implementing DRY configurations, handling cross-stack dependencies, deploying to many accounts, managing tool versions with TEnv, or establishing infrastructure platform patterns.
iac-terraform-modules-eng
Build reusable Terraform and OpenTofu modules and provider configurations for multi-cloud infrastructure, Kubernetes, CI/CD, databases, networking, security, observability, and virtualization. Use when creating infrastructure modules, generating module documentation with terraform-docs, standardizing provisioning, migrating from Terraform to OpenTofu, or implementing IaC patterns across 40+ providers.
gitlab-cicd
Expert-level guidance for GitLab CI/CD pipeline configuration, development, optimization, debugging, and best practices.
github-app-dev
GitHub App development guide for building custom integrations. Use this skill when creating a GitHub App, building webhook handlers, implementing GitHub API integrations, developing PR/Issue automation apps, or deploying GitHub Apps to Cloudflare Workers.
github-actions-dev
Developing custom GitHub Actions (JavaScript, TypeScript, Docker, Composite). Use this skill when the user asks to 'create a GitHub Action', 'build a custom action', 'publish action to marketplace', 'write action.yml', or 'develop reusable action'.
web-artifacts-builder
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.
playwright-skill
Complete browser automation with Playwright. Auto-detects dev servers, writes clean test scripts to /tmp. Test pages, fill forms, take screenshots, check responsive design, validate UX, test login flows, check links, automate any browser task. Use when user wants to test websites, automate browser interactions, validate web functionality, or perform any browser-based testing.
scientific-schematics
Create publication-quality scientific diagrams using Nano Banana Pro AI with smart iterative refinement. Uses Gemini 3 Pro for quality review. Only regenerates if quality is below threshold for your document type. Specialized in neural network architectures, system diagrams, flowcharts, biological pathways, and complex scientific visualizations.
docs-mdbook-preprocessor-dev
Developing custom MDBook preprocessor plugins in Rust. Use this skill when the user asks to 'create an mdbook preprocessor', 'build an mdbook plugin', 'develop mdbook-<foo>', or 'scaffold a new mdbook preprocessor'.
docs-mdbook-backend-dev
Developing custom MDBook alternative backend (renderer) plugins in Rust. Use this skill when the user asks to 'create an mdbook backend', 'build an mdbook renderer', 'develop mdbook-<foo> renderer', or 'scaffold an alt-backend'.
theme-factory
Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
brand-guidelines
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.
market-research-reports
Generate comprehensive market research reports (50+ pages) in the style of top consulting firms (McKinsey, BCG, Gartner). Features professional LaTeX formatting, extensive visual generation with scientific-schematics and generate-image, deep integration with research-lookup for data gathering, and multi-framework strategic analysis including Porter's Five Forces, PESTLE, SWOT, TAM/SAM/SOM, and BCG Matrix.
polars
Fast DataFrame library (Apache Arrow). Select, filter, group_by, joins, lazy evaluation, CSV/Parquet I/O, expression API, for high-performance data analysis workflows.
convert-typescript-rust
Convert TypeScript code to idiomatic Rust. Use when migrating TypeScript projects to Rust, translating TypeScript patterns to idiomatic Rust, or refactoring TypeScript codebases. Extends meta-convert-dev with TypeScript-to-Rust specific patterns.
convert-typescript-golang
Convert TypeScript code to idiomatic Go. Use when migrating TypeScript projects to Go, translating TypeScript patterns to idiomatic Go, or refactoring TypeScript codebases into Go. Extends meta-convert-dev with TypeScript-to-Go specific patterns.
convert-roc-scala
Bidirectional conversion between Roc and Scala. Use when migrating projects between these languages in either direction. Extends meta-convert-dev with Roc↔Scala specific patterns. Use when migrating Roc projects to JVM/Scala, translating pure functional patterns to object-functional hybrid, or refactoring Roc codebases. Extends meta-convert-dev with Roc-to-Scala specific patterns.
lang-graphql-dev
Foundational GraphQL patterns covering schema design, queries, mutations, subscriptions, and resolvers. Use when building or consuming GraphQL APIs. This is the entry point for GraphQL development.
convert-python-typescript
Bidirectional conversion between Python and Typescript. Use when migrating projects between these languages in either direction. Extends meta-convert-dev with Python↔Typescript specific patterns. Use when migrating Python projects to TypeScript, translating Pythonic patterns to TypeScript idioms, or refactoring Python codebases into TypeScript. Extends meta-convert-dev with Python-to-TypeScript specific patterns.
convert-python-scala
Convert Python code to idiomatic Scala. Use when migrating Python projects to Scala, translating Python patterns to Scala's hybrid OOP+FP paradigm, or refactoring Python codebases for type safety, JVM integration, and functional programming. Extends meta-convert-dev with Python-to-Scala specific patterns.
convert-python-rust
Convert Python code to idiomatic Rust. Use when migrating Python projects to Rust, translating Python patterns to idiomatic Rust, or refactoring Python codebases for performance, safety, and concurrency. Extends meta-convert-dev with Python-to-Rust specific patterns.
convert-python-roc
Convert Python code to idiomatic Roc. Use when migrating Python projects to Roc, translating Python patterns to idiomatic Roc, or refactoring Python codebases for type safety, functional purity, and native performance. Extends meta-convert-dev with Python-to-Roc specific patterns.
convert-python-haskell
Convert Python code to idiomatic Haskell. Use when migrating Python projects to Haskell, translating Python patterns to idiomatic Haskell, or refactoring Python codebases for type safety, pure functional programming, and advanced type system features. Extends meta-convert-dev with Python-to-Haskell specific patterns.
convert-python-golang
Convert Python code to idiomatic Go. Use when migrating Python projects to Go, translating Python patterns to idiomatic Go, or refactoring Python codebases for performance and concurrency. Extends meta-convert-dev with Python-to-Go specific patterns.
convert-python-fsharp
Convert Python code to idiomatic F#. Use when migrating Python projects to F#, translating Python patterns to idiomatic F#, or refactoring Python codebases for type safety, functional programming, and .NET integration. Extends meta-convert-dev with Python-to-F# specific patterns.
convert-python-erlang
Convert Python code to idiomatic Erlang. Use when migrating Python projects to Erlang, translating Python patterns to idiomatic Erlang, or refactoring Python codebases for fault-tolerance, distributed computing, and concurrency. Extends meta-convert-dev with Python-to-Erlang specific patterns.
convert-python-elm
Convert Python code to idiomatic Elm. Use when migrating Python backends to Elm frontends, translating Python logic to type-safe frontend code, or refactoring Python codebases into functional-first Elm applications. Extends meta-convert-dev with Python-to-Elm specific patterns focused on The Elm Architecture (TEA).
convert-python-elixir
Convert Python code to Elixir. Use when migrating Python projects to Elixir, translating Python patterns to idiomatic Elixir, refactoring Python codebases into BEAM/OTP, or building Elixir services from Python prototypes. Extends meta-convert-dev with Python-to-Elixir specific patterns covering all 10 pillars including FFI and Dev Workflow.
convert-python-clojure
Convert Python code to idiomatic Clojure. Use when migrating Python projects to Clojure, translating Python patterns to idiomatic Clojure, or refactoring Python codebases to leverage functional programming. Extends meta-convert-dev with Python-to-Clojure specific patterns.
convert-objc-swift
Convert Objective-C code to idiomatic Swift. Use when migrating Objective-C projects to Swift, translating Objective-C patterns to modern Swift, modernizing legacy codebases, or establishing gradual migration strategies with interop. Extends meta-convert-dev with Objective-C-to-Swift specific patterns including bridging and @objc attributes.
convert-java-rust
Convert Java code to idiomatic Rust. Use when migrating Java projects to Rust, translating Java patterns to idiomatic Rust, or refactoring Java codebases. Extends meta-convert-dev with Java-to-Rust specific patterns.
convert-java-cpp
Convert Java code to idiomatic C++. Use when migrating Java projects to C++, translating Java patterns to idiomatic C++, or refactoring Java codebases. Extends meta-convert-dev with Java-to-C++ specific patterns.
convert-java-c
Convert Java code to idiomatic C. Use when migrating Java projects to C, translating Java patterns to idiomatic C, or refactoring Java codebases for performance, minimal runtime dependencies, and systems programming. Extends meta-convert-dev with Java-to-C specific patterns.
convert-haskell-scala
Bidirectional conversion between Haskell and Scala. Use when migrating projects between these languages in either direction. Extends meta-convert-dev with Haskell↔Scala specific patterns. Use when migrating Haskell projects to Scala, translating Haskell patterns to idiomatic Scala, or refactoring Haskell codebases. Extends meta-convert-dev with Haskell-to-Scala specific patterns.
convert-haskell-roc
Bidirectional conversion between Haskell and Roc. Use when migrating projects between these languages in either direction. Extends meta-convert-dev with Haskell↔Roc specific patterns. Use when migrating Haskell applications to Roc's platform model, translating lazy pure functional code to strict platform-based architecture, or refactoring type class based designs to ability-based patterns. Extends meta-convert-dev with Haskell-to-Roc specific patterns.
convert-golang-rust
Convert Go code to idiomatic Rust. Use when migrating Go projects to Rust, translating Go patterns to idiomatic Rust, or refactoring Go codebases. Extends meta-convert-dev with Go-to-Rust specific patterns.
convert-fsharp-scala
Bidirectional conversion between Fsharp and Scala. Use when migrating projects between these languages in either direction. Extends meta-convert-dev with Fsharp↔Scala specific patterns.
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