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Conducts in-depth analysis of a specific source or topic, producing comprehensive summaries for research synthesis. Use when you need detailed analysis and documentation of individual sources as part of a larger research effort.

Package entire code repositories into single AI-friendly files using Repomix. Capabilities include pack codebases with customizable include/exclude patterns, generate multiple output formats (XML, Markdown, plain text), preserve file structure and context, optimize for AI consumption with token counting, filter by file types and directories, add custom headers and summaries. Use when packaging codebases for AI analysis, creating repository snapshots for LLM context, analyzing third-party libraries, preparing for security audits, generating documentation context, or evaluating unfamiliar codebases.

Copilot agent that assists with architecture design, C4 model diagrams, ADR creation, and tradeoff analysisTrigger terms: architecture, system design, C4 model, ADR, architecture decision, design patterns, component design, architecture diagram, microservices, monolith, scalabilityUse when: User requests involve system architect tasks.

Use when receiving code review feedback (especially if unclear or technically questionable), when completing tasks or major features requiring review before proceeding, or before making any completion/success claims. Covers three practices - receiving feedback with technical rigor over performative agreement, requesting reviews via code-reviewer subagent, and verification gates requiring evidence before any status claims. Essential for subagent-driven development, pull requests, and preventing false completion claims.

Use when you need to research, analyze, and plan technical solutions that are scalable, secure, and maintainable.

Design resilient, scalable multi-cloud architectures with best practices for AWS, Azure, and GCP. Use when creating cloud architecture diagrams, planning cloud infrastructure, or designing cloud migration strategies.

Write and optimize prompts for AI-generated outcomes across text and image models. Use when crafting prompts for LLMs (Claude, GPT, Gemini), image generators (Midjourney, DALL-E, Stable Diffusion, Imagen, Flux), or video generators (Veo, Runway). Covers prompt structure, style keywords, negative prompts, chain-of-thought, few-shot examples, iterative refinement, and domain-specific patterns for marketing, code, and creative writing.

technical-writer skillTrigger terms: documentation, technical writing, API documentation, README, user guide, developer guide, tutorial, runbook, technical docsUse when: User requests involve technical writer tasks.

Search technical documentation using executable scripts to detect query type, fetch from llms.txt sources (context7.com), and analyze results. Use when user needs: (1) Topic-specific documentation (features/components/concepts), (2) Library/framework documentation, (3) GitHub repository analysis, (4) Documentation discovery with automated agent distribution strategy

Use when you need to plan technical solutions that are scalable, secure, and maintainable.

Technical documentation specialist for Rails projects. Use when writing README files, API documentation, setup guides, architectural decisions, code comments, or user-facing documentation. Focuses on clarity, completeness, and maintainability.

Comprehensive testing patterns for React components with MSW, React Query, and Vitest. Use when writing tests, setting up mocks, testing API interactions, or ensuring 80% coverage. Keywords - testing, MSW, React Query, Vitest, mocks, coverage, API testing.

Voice guide for writing PR descriptions. Use this skill for ALL PR creation and updates (via gh CLI or editing existing PRs). Contains your specific voice rules, anti-patterns, examples, and workflow. Never write PR descriptions without invoking this skill first.

Build and release manager for ARW CLI package. Handles local development, testing, building, documentation, version tagging, and publishing to npm and crates.io. Use when developing locally, running tests, building packages, releasing new versions, or publishing packages.

Integration with the Pest PHP testing framework for writing and running tests

Specialized skill for Rails testing with RSpec, FactoryBot, and TDD workflows. Use when writing tests, setting up test coverage, creating factories, or implementing test-driven development. Covers unit tests, integration tests, system tests, and component tests.

Skill professionnel pour Claude Code permettant d'accéder, télécharger et analyser les données ouvertes françaises via data.gouv.fr. Inclut une librairie Python complète, des exemples de code, et une documentation détaillée des datasets les plus utilisés.

[UNDER DEVELOPMENT - DO NOT USE] Searches the Notion Writing database for unpublished items that could become TIL posts. This skill is not yet integrated with the publishing workflow.

Search for relevant code snippets, examples, and documentation from billions of GitHub repositories, documentation pages, and Stack Overflow posts. Use this skill when coding tasks require real working code examples, API usage patterns, framework setup instructions, or library implementation details to eliminate hallucinations and provide accurate, token-efficient context.

Archives completed changes and merges specification deltas into living documentation. Use when changes are deployed, ready to archive, or specs need updating after implementation. Triggers include "archive change", "merge specs", "complete proposal", "update documentation", "finalize spec", "mark as done".