Setup and manage Supabase authentication including project connection, tokens, login methods, and user management. Use when configuring Supabase access, implementing authentication, or managing users.

Comprehensive Railway.com deployment management for GitHub, Docker, and local sources. Use when deploying to Railway, redeploying services, rolling back deployments, monitoring deployment status, managing staging/production deployments, or verifying deployment health.

Railway authentication and token management. Use when logging into Railway, creating API tokens, setting up CI/CD authentication, or verifying Railway credentials.

AWS Boto3 SDK patterns for Amazon ECS cluster management, task definitions, services, and Fargate deployments. Use when working with ECS clusters, managing task definitions, deploying services, running one-off tasks, monitoring deployments, or integrating ECS with Python applications.

REST and GraphQL API testing with Playwright. Use when testing APIs, mocking endpoints, validating responses, or integrating API tests with E2E flows.

Automated documentation update mechanism for anthropic-expert skill. Five-step workflow from update detection through documentation fetching and processing to skill integration and validation. Use when updating Anthropic documentation, checking for new releases, fetching latest docs, keeping anthropic-expert current, or synchronizing with Anthropic product changes.

Execute implementation tasks in autonomous coding. Use when running feature implementations, executing build tasks, processing feature queue, or orchestrating task completion.

Guides Claude in reviewing and writing robust error-handling code. Covers distinguishing recoverable from unrecoverable errors, implementing retry-with-backoff patterns, structured error logging with correlation IDs, and crafting helpful user-facing error messages. Use when the user asks about error handling, exception management, try-catch patterns, error logging, retry logic, or debugging runtime failures in any codebase.

Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSuspenseQuery, file organization with features directory, MUI v7 styling, TanStack Router, performance optimization, and TypeScript best practices. Use when creating components, pages, features, fetching data, styling, routing, or working with frontend code.

caddy-security messaging provider Caddyfile configuration. Use when creating, reviewing, or modifying messaging email provider or messaging file provider blocks, SMTP settings, passwordless email, senders, BCC addresses, message templates, root directories, and registration email wiring.

caddy-security crypto directive configuration for authentication portals and authorization policies. Use when creating, reviewing, or debugging crypto Caddyfile lines, JWT signing or verification keys, token names and lifetimes, key IDs, HMAC/RSA/ECDSA key loading, auto-generated keys, env or secrets-backed crypto values, System API crypto keys for remote Basic/API-key authentication, and authenticate/authorize key compatibility.

Implements and validates existing PRP plans and corrects reviewed or failing-CI pull requests. Always use when executing an implementation plan, implementing an issue that already has a local or published plan, correcting a PR from a PRP review report or CI failure, when another PRP workflow reaches its implementation or correction step, or when the user invokes /prp-implement.

Creates and opens GitHub pull requests. Always use when creating a PR on GitHub, when the user explicitly asks to create or open a PR, when another PRP workflow reaches its PR-creation step, or when the user invokes $prp-pr.

Shrink a Liferay component's Poshi test suite by merging overlapping tests. Use when the user asks to reduce, merge, or clean up Poshi tests for a @component-name.

Commissaire aux comptes IA pour l'audit des comptes annuels d'entreprises françaises. Applique la démarche NEP en 7 phases : prise de connaissance, contrôle du FEC, vérification du bilan, du compte de résultat, de la balance, de la liasse fiscale, et contrôles transversaux. Émet une opinion motivée sur la fiabilité des comptes avec rapport structuré. Triggers: audit, commissaire aux comptes, CAC, certification, comptes annuels, validation comptes, révision comptable, statutory audit

Integrate Apify into an existing JavaScript/TypeScript or Python application using the apify-client package. Use when adding web scraping, automation, or data extraction capabilities to an existing app via the Apify API.

Define a dataset's metadata profile — infer a Frictionless Table Schema from its data, add Data Package metadata (license, sources, keywords), and write it into datasets.json so the showcase renders a typed field table. Extend or customize via the L0-L3 profile ladder. Use when a registered dataset needs field types, constraints, or catalog metadata before publishing.

Run a documentation-focused maintenance checkup of the Chatto codebase. Fans out to /fdr, /adr, and /chatto-architecture-inventory, then compiles a single consolidated report. Always propose-only; no changes are applied without explicit user approval. At the end, points the human at other maintenance skills (/update-project-dependencies, /chatto-security-review) they may want to run themselves.

Use when evaluating feasibility of campaigns against distant or nomadic enemies. Assesses strategic value, logistics (率三十锺而致一石), enemy mobility, domestic impact (靡弊中国), and historical precedents like Qin's failed Xiongnu campaigns.

Use when processing the surrender of tens of thousands of enemy troops. Covers credibility assessment, dissenter neutralization, leadership escort, population resettlement as 属国, and title conferral based on Huo Qubing's precedent.