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This skill should be used when a skill has incorrect instructions, outdated API references, or wrong parameters. Detects, diffs, applies after approval.

Decision tree เลือกประเภทจดทะเบียนธุรกิจในไทย — ทะเบียนพาณิชย์ (sole prop) vs หจก. vs บริษัทจำกัด vs BOI — flag VAT trigger (1.8M฿), SSO trigger (พนักงาน 1+ คน), ภาระบัญชี/ตรวจสอบ

Execute a batch of backlog tickets in parallel. Use when the user wants to build multiple unblocked tickets simultaneously with integrated QA review.

This skill should be used when starting work on any project that uses tdder. It establishes interaction style, commit conventions, documentation discipline, and skill-trust principles. Invoke automatically alongside other tdder skills.

Explains DSP math concepts to developers who need the theory behind an algorithm. Use whenever the user asks how a signal-processing concept works, wants intuition behind a formula, or hits a math-shaped bug. Trigger on phrases like "how does a Fourier transform work", "explain z-transforms", "what is convolution", "why does my biquad ring", "what is windowing for", "what causes aliasing", or "how

This skill should be used when provisioning GitHub repos and environments for tenant workflows.

Senior security-engineer instincts for AI coding agents. Activate whenever the agent reads, writes, reviews, or refactors code — backend, frontend, infrastructure-as-code, CI/CD pipelines, container manifests, or cloud config. Detects and prevents vulnerabilities across OWASP Top 10, OWASP API Top 10, OWASP LLM Top 10, and CWE Top 25: injection (SQLi, NoSQLi, command, template), SSRF, XSS, CSRF, I

Agente de referência acadêmica que identifica afirmações que precisam de citações, pesquisa PubMed/bioRxiv/medRxiv via ferramentas MCP e adiciona referências formatadas corretamente a manuscritos Markdown.

Use this agent when you need to safely modify legacy code that lacks tests. It applies Michael Feathers' dependency-breaking techniques from \"Working Effectively with Legacy Code\" to identify seams, plan characterization tests, and recommend safe transformation paths.

Measurement-driven code refactoring — profile before changing, measure after, keep only if metrics improve. Covers complexity reduction, extraction patterns, and bulk refactoring for mechanical changes across many files.

Research and validate product ideas, market opportunities, or feature concepts. Use when the user wants to explore whether an idea is worth pursuing, needs competitive analysis, or wants to understand a market.

This skill should be used when enhancing an existing plan with parallel research agents for each section.