Apply context-driven testing principles where practices are chosen based on project context, not universal 'best practices'. Use when making testing decisions, questioning dogma, or adapting approaches to specific project needs.

Advanced context engineering management system that provides comprehensive context architecture design, memory management, knowledge engineering, and workflow orchestration through expert collaboration and intelligent tool integration.

Explains how SpecWeave achieves context efficiency through Claude's native progressive disclosure and sub-agent parallelization. Use when asking about token usage, context management, or how SpecWeave scales with large projects. Leverages Claude's built-in mechanisms without custom caching.

This Skill provides instant orientation for developers using Spec Kit + CCGC integration pipelines. It replaces the need to manually check multiple files (active_context.md, tasks_plan.md, git status)

Analyze agent-user interaction transcripts to identify context network maintenance needs and guidance improvements. Use after significant agent interactions or to improve context networks.

Automatically fetch latest library/framework documentation for Claude Code via Context7 API

This skill enables fetching up-to-date, version-specific documentation directly from official sources.

Fetch the latest, docs-grounded API details and best practices for a library/framework using Context7 MCP tools `resolve-library-id` and `get-library-docs`. Use when a user asks for “最新用法/最新寫法/最佳實務/latest usage/current best practice/latest API” of a package, or asks how to implement a feature with a library and wants the newest docs-based guidance.

Access up-to-date, version-specific documentation and code examples from Context7. Use this skill to verify library and framework details.

Expert in Continental tradition from Kant through phenomenology, existentialism, structuralism, and post-structuralism

Respond to CEU or professional credit inquiries. Use when a learner asks whether a course qualifies for continuing education credits.

Apply Google's continuous fuzzing methodology using OSS-Fuzz and ClusterFuzz. Emphasizes coverage-guided fuzzing, automated bug triage, and integration into CI/CD. Use when building robust testing infrastructure or finding security vulnerabilities at scale.

After completing a task, briefly reflect and capture learnings.

Author OpenAPI/AsyncAPI specs, contracts, and mocks.

Design and manage API contracts before implementation using OpenAPI and AsyncAPI specifications for contract-first development

Test and validate API contracts against specifications

Ensure API contracts don't break consumers.

Creates a control panel that allows runtime modification of values. When Claude needs to expose controls for the user to adjust variables and values.

Generates git commit messages following Conventional Commits 1.0.0 specification with semantic types (feat, fix, etc.), optional scope, and breaking change annotations. Use when committing code changes or creating commit messages.

When writing a git commit message. When task completes and changes need committing. When project uses semantic-release, commitizen, git-cliff. When choosing between feat/fix/chore/docs types. When indicating breaking changes. When generating changelogs from commit history.

Conventional Commits specification format. Use when creating commit messages. Format: <type>(<scope>): <description>. Types: feat, fix, chore, docs, test, refactor, style, perf. CRITICAL: All commits must follow conventional commit format.

Expert CRO advisor that analyzes landing pages, product funnels, UI/UX friction, and provides data-driven A/B test ideas to maximize conversions, sign-ups, trials, and retention. Use when optimizing conversion rates, analyzing funnels, designing experiments, improving CTAs, reducing drop-offs, or when user mentions conversion rate, CRO, landing page optimization, A/B testing, or funnel analysis.

Convert Clojure code to idiomatic Roc. Use when migrating Clojure applications to Roc's platform model, translating dynamic functional code to static functional style, or refactoring REPL-driven code to compile-time verified patterns. Extends meta-convert-dev with Clojure-to-Roc specific patterns.

Convert C++ code to idiomatic Rust. Use when migrating C++ projects to Rust, translating C++ patterns to idiomatic Rust, or refactoring C++ codebases. Extends meta-convert-dev with C++-to-Rust specific patterns, including FFI-based gradual migration.

Convert Elixir code to idiomatic Elm. Use when migrating server-side Elixir logic to frontend applications, translating BEAM concurrency patterns to The Elm Architecture, or refactoring Elixir codebases for browser-based UI. Extends meta-convert-dev with Elixir-to-Elm specific patterns.

Convert Elixir code to idiomatic Roc. Use when migrating Elixir projects to Roc, translating BEAM/OTP patterns to platform-based architecture, or refactoring Elixir codebases. Extends meta-convert-dev with Elixir-to-Roc specific patterns.

Convert Elm code to idiomatic Elixir. Use when migrating Elm frontend applications to Elixir (Phoenix LiveView), translating Elm's functional patterns to Elixir, or refactoring Elm codebases to leverage OTP. Extends meta-convert-dev with Elm-to-Elixir specific patterns.

Convert Erlang code to idiomatic Roc. Use when migrating Erlang projects to Roc, translating BEAM/OTP patterns to functional patterns, or refactoring Erlang codebases. Extends meta-convert-dev with Erlang-to-Roc specific patterns.

Convert F# code to idiomatic Roc. Use when migrating F# projects to Roc, translating F# patterns to idiomatic Roc, or refactoring F# codebases. Extends meta-convert-dev with F#-to-Roc specific patterns.

Convert Haskell code to idiomatic Elm. Use when migrating Haskell logic to frontend applications, translating pure functional patterns to Elm's architecture, or refactoring Haskell code for web UI. Extends meta-convert-dev with Haskell-to-Elm specific patterns.

Convert Haskell code to idiomatic Roc. 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 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 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 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 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 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 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 Roc code to idiomatic Elixir. Use when migrating Roc platform-based applications to Elixir/BEAM, translating statically-typed functional code to dynamic functional style, or refactoring compile-time verified patterns to leverage Elixir's actor model and OTP. Extends meta-convert-dev with Roc-to-Elixir specific patterns.

Convert Roc code to idiomatic Erlang. Use when migrating Roc projects to Erlang/OTP, translating functional patterns to process-based architectures, or refactoring Roc codebases. Extends meta-convert-dev with Roc-to-Erlang specific patterns.

Convert Roc code to idiomatic Scala. 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.

Convert Scala code to idiomatic Roc. Use when migrating Scala projects to Roc, translating JVM/FP patterns to pure functional patterns, or refactoring Scala codebases. Extends meta-convert-dev with Scala-to-Roc specific patterns.

Scheduled function patterns for background tasks including interval scheduling, cron expressions, job monitoring, retry strategies, and best practices for long-running tasks

Complete file handling including upload flows, serving files via URL, storing generated files from actions, deletion, and accessing file metadata from system tables

Schema migration strategies for evolving applications including adding new fields, backfilling data, removing deprecated fields, index migrations, and zero-downtime migration patterns

Patterns for building reactive apps including subscription management, optimistic updates, cache behavior, and paginated queries with cursor-based loading

Defining and validating database schemas with proper typing, index configuration, optional fields, unions, and migration strategies for schema changes

Implement features end-to-end with smart intent detection. Accepts natural language or plan paths. Auto-routes to appropriate workflow (fast, auto, parallel, code).

Same design, multiple cooks compete. Each implementation team creates their own plan from the shared design, then implements it. Natural variation emerges from independent planning decisions.

Use this skill when working with the cool-mysql library for Go. This skill provides comprehensive guidance on using cool-mysql's MySQL helper functions, including dual connection pools, named parameters, template syntax, caching strategies, and advanced query patterns. Apply when writing database code, optimizing queries, setting up caching, or migrating from database/sql.

Create Copilot-optimized task specifications for handoff between Claude and GitHub Copilot. Use when planning implementation tasks that Copilot will complete. Optimizes comment format, provides rich context, includes checklists and examples.