Explorar skills

Drives feature work and bug fixes through a tight failing-test-first loop. Trigger when implementing, fixing, or refactoring behavior in a codebase that already has tests. Skip for spikes, visual-only edits, throwaway scripts, and generated files.

Use when about to claim work is complete, before committing or creating PRs - requires fresh verification evidence before any completion claim. Triggers on phrases like "done", "finished", "ready to commit", "all tests pass", "looks good", "should work", "I think that's it".

Use when writing tests, running validation scripts, or (in TDD mode) enforcing red-green-refactor cycle. Activates during Phase 2 (Test) and Phase 3 (Build). NOT for coverage gap mapping (see mk:nyquist); NOT for sprint contract negotiation (see mk:sprint-contract).

Optimize prompts for LLMs and AI systems with structured techniques, evaluation patterns, and synthetic test data generation. Use when building AI features, improving agent performance, or crafting system prompts.

Domain-agnostic TrueSkill batch ranking via LLM-as-judge. Ranks any list of text items using overlapping subsets dispatched to Codex Spark workers. Swappable rubrics. Use when you need to rank, score, curate, or sort a collection by quality.

Use this skill when planning or conducting user research, writing interview guides, designing surveys for UX insights, synthesizing qualitative findings, creating personas, or writing research reports. Trigger phrases: ''write a user interview guide'', ''how do I conduct usability testing'', ''synthesize research findings'', ''create a user persona'', ''design a UX survey''. Not for quantitative m

Production-tested setup for Cloudflare Workers with Hono, Vite, and Static Assets. Use when: creating new Cloudflare Workers projects, setting up Hono routing with Workers, configuring Vite plugin for Workers, adding Static Assets to Workers, deploying with Wrangler, or encountering deployment errors, routing conflicts, or HMR crashes. Prevents 6 documented issues: export syntax errors, Static Ass

A/B testing and performance metrics for prompts

Scaffold a new route with its page component, test, story, and optional i18n keys. Use this skill whenever the user asks to "create a route", "add a new page", "scaffold /dashboard", "wire up a new route under _public+ or _session+", or anything that implies adding a file under `app/routes/` with a matching `app/pages/{Group}/{PageName}/` folder.

Persistent browser automation via Playwright daemon. Keep a browser window open and send it commands (navigate, execute JS, inspect console). Perfect for interactive debugging, development, and testing web applications. Use when you need to interact with a browser repeatedly without opening/closing it.

Testing Library for React 19 - render, screen, userEvent, waitFor, Suspense. Use when writing tests for React components with Vitest.

Search ChatGPT conversation exports using SQLite FTS5 (SQLite full-text search). BM25-ranked full-text search (relevance scoring) with TF-IDF keywords (term-weighted key phrases), date/role/model/language filtering, and conversation browsing. Use when agent needs to search past ChatGPT conversations by topic, find specific discussions, browse conversation history, or find conversations by extracte