# Startup Skills: Matt Pocock > Every skill by Matt Pocock in the index, with a line saying when to use each one. I index these, I do not host them. Every entry points at the original author's repo and carries a source byline. ## Entries (12) - [Code review](https://github.com/mattpocock/skills/tree/main/skills/engineering/code-review) by Matt Pocock: Use when a branch must be checked against repo standards and the original spec. - [Codebase design](https://github.com/mattpocock/skills/tree/main/skills/engineering/codebase-design) by Matt Pocock: Use when deciding a module's interface or where a seam should go. - [Diagnosing bugs](https://github.com/mattpocock/skills/tree/main/skills/engineering/diagnosing-bugs) by Matt Pocock: Use when a hard bug or performance regression needs a diagnosis loop. - [Domain modeling](https://github.com/mattpocock/skills/tree/main/skills/engineering/domain-modeling) by Matt Pocock: Use when a project's terminology, CONTEXT.md or ADRs need writing or sharpening. - [Improve codebase architecture](https://github.com/mattpocock/skills/tree/main/skills/engineering/improve-codebase-architecture) by Matt Pocock: Use when scanning a codebase for deepening opportunities, then working through the one picked. - [Prototype](https://github.com/mattpocock/skills/tree/main/skills/engineering/prototype) by Matt Pocock: Use when a state model or UI idea needs testing before real work starts. - [TDD](https://github.com/mattpocock/skills/tree/main/skills/engineering/tdd) by Matt Pocock: Use when building a feature or fixing a bug test first, red-green-refactor. - [To tickets](https://github.com/mattpocock/skills/tree/main/skills/engineering/to-tickets) by Matt Pocock: Use when an agreed plan has to become ordered tickets in a tracker. - [Triage](https://github.com/mattpocock/skills/tree/main/skills/engineering/triage) by Matt Pocock: Use when incoming issues and outside pull requests are piling up unsorted. - [Wayfinder](https://github.com/mattpocock/skills/tree/main/skills/engineering/wayfinder) by Matt Pocock: Use when work too big for one agent session needs mapping as decision tickets. - [Wizard](https://github.com/mattpocock/skills/tree/main/skills/engineering/wizard) by Matt Pocock: Use when only a human can do the steps and needs walking through them. - [Writing for agents](https://github.com/mattpocock/skills/tree/main/skills/productivity/writing-for-agents) by Matt Pocock: Use when creating skills or editing AGENTS.md or CLAUDE.md files. ## Links - [Page](https://startupskills.dev/mattpocock): the same list, for a person. - [The whole index](https://startupskills.dev/llms.txt): all 189 entries. - [Skills index](https://startupskills.dev/skills): every skill, with search.