Testing

by HoangNguyen0403

Structured logging (Pino) and Prometheus metrics.

by HoangNguyen0403

Unit and E2E testing with Jest, mocking strategies, and database isolation patterns.

by HoangNguyen0403

The 4 layers of caching (Memoization, Data Cache, Full Route, Router Cache).

by HoangNguyen0403

SSG, SSR, ISR, Streaming, and Partial Prerendering (PPR).

by HoangNguyen0403

Best practices for managing state (Server URL vs Client Hooks).

by HoangNguyen0403

Zero-runtime CSS strategies (Tailwind) and RSC compatibility.

by HoangNguyen0403

Standards for efficient React functional components and hooks usage.

by nokonoko1203

Generate a self-review document before PR submission. Summarize the validity of modifications, existence of tests, and points of concern in Japanese.

by HoangNguyen0403

Modern TypeScript standards for type safety, performance, and maintainability.

by HoangNguyen0403

Development tools, linting, and build configuration for TypeScript projects.

by specula-org

TLA+ Trace Validation workflow. Use when: (1) validating if a trace matches a TLA+ spec, (2) debugging trace validation failures (TLC reports 'Temporal properties were violated' or validation stops unexpectedly), (3) fixing spec/trace inconsistencies after root cause is identified.

by genlayerlabs

Setup Python virtual environment and run unit tests with gltest

by sammcj

Applies a modified Fagan Inspection methodology to systematically resolve persistent bugs and complex issues. Use when multiple previous fix attempts have failed repeatedly, when dealing with intricate system interactions, or when a methodical root cause analysis is needed. Do not use for simple troubleshooting. Triggers after multiple failed debugging attempts on the same complex issue.

by sammcj

Acquire expert Rust developer specialisation in rust systems programming, memory safety, and zero-cost abstractions. Masters ownership patterns, async programming, and performance optimisation for mission-critical applications.

by georgeguimaraes

This skill should be used when the user asks to "add a database table", "create a new context", "query the database", "add a field to a schema", "validate form input", "fix N+1 queries", "preload this association", "separate these concerns", or mentions Repo, changesets, migrations, Ecto.Multi, has_many, belongs_to, transactions, query composition, or how contexts should talk to each other.

by neondatabase

Creates and manages ephemeral Neon databases for testing, CI/CD pipelines, and isolated development environments. Use when building temporary databases for automated tests or rapid prototyping.

by georgeguimaraes

This skill should be used when the user asks to "add a background job", "process async", "schedule a task", "retry failed jobs", "add email sending", "run this later", "add a cron job", "unique jobs", "batch process", or mentions Oban, Oban Pro, workflows, job queues, cascades, grafting, recorded values, job args, or troubleshooting job failures.

by appautomaton

Write, configure, and run unit + integration tests using project-independent best practices; detect tooling; triage failures/flakes; keep a compact Testing State Capsule.