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retro Matt Pocock skill Reviews a coding session and suggests changes to the agent environment for later runs. Use it after mistakes, slow repository navigation, or costly tool calls. Claude Code 276,027installs executing-plans Jesse Vincent skill Runs an implementation plan in the current session instead of assigning each task to a subagent. Use it for inline work with TDD, a decision ledger, and a final branch review. Claude Code CX Codex 242,988installs test-driven-development Jesse Vincent skill This skill guides an agent through test-first development: verify a test fails, write the smallest passing change, then refactor. It covers features, bug fixes, and behavior changes. Claude Code CX Codex 259,292installs brainstorming Jesse Vincent skill This skill clarifies a task before implementation by asking questions, checking context, and comparing approaches. Use it for new features and other creative work. Claude Code CX Codex 404,045installs doc-coauthoring official anthropics skill Guides document drafting through context collection, section work, and a reader check. Use it for specs, RFCs, proposals, and decision documents. Claude Code Claude.ai 93,900installs using-superpowers Jesse Vincent skill Checks for relevant skills before an agent responds or takes action. Use it when you want a fixed workflow for handling tasks. Claude Code CX Codex 270,479installs internal-comms official anthropics skill internal-comms helps Claude write internal communications in the formats your company uses, from status reports to FAQs and incident reports. Claude Code Claude.ai 79,929installs brand-guidelines official anthropics skill Applies Anthropic's official brand colors and fonts to documents, slides and other artifacts. Useful whenever something needs to match the company look. Claude Code Claude.ai 109,043installs theme-factory official anthropics skill Applies preset color palettes and font pairs to slides, documents, and HTML pages. Use it when an artifact needs one consistent visual style. Claude Code Claude.ai 94,921installs scaffold-exercises Matt Pocock skill This skill builds course exercise directories with sections, problems, solutions, and explainers. Use it when starting a new course section or creating exercise stubs. Claude Code 480,196installs canvas-design official anthropics skill Builds posters and visual art in .png and .pdf by first writing a design philosophy, then expressing it on the canvas. Claude Code Claude.ai 121,543installs implement-spec Matt Pocock skill Implements a prepared spec from its ticket graph on one integration branch, using parallel subagents. Use it when tickets have blocking dependencies. Claude Code 283,700installs wayfinder Matt Pocock skill Maps large, uncertain work as decision tickets in an issue tracker. Use it when the route to a goal needs more than one agent session to clarify. Claude Code 718,005installs writing-plans Jesse Vincent skill This skill turns requirements for a multi-step task into an implementation plan before code changes begin. It helps when another engineer needs exact files, interfaces, and checks. Claude Code CX Codex 282,859installs mcp-builder official anthropics skill This skill walks through building an MCP server in TypeScript or Python, from reading the protocol spec to writing tests and evaluation questions. Claude Code Claude.ai 130,949installs ask-matt Matt Pocock skill Routes you to the right Matt Pocock skill or flow for the task at hand. Use it when you need a starting point for a feature, prototype, incoming issue, or hard bug. Claude Code 766,587installs algorithmic-art official anthropics skill Creates p5.js generative art with seeded randomness and adjustable parameters. Use it for flow fields, particle systems, and code-based visual experiments. Claude Code Claude.ai 89,081installs migrate-to-shoehorn Matt Pocock skill Replaces as type assertions in tests with helpers from @total-typescript/shoehorn. Use it when tests need partial objects or deliberately invalid data. Claude Code 475,388installs setup-pre-commit Matt Pocock skill This skill configures pre-commit checks for a JavaScript repository, running Prettier, type checking, and tests before each commit. Claude Code 489,289installs pptx official anthropics skill This skill helps create, read, and edit .pptx files and .potx templates. Use it when building a deck or extracting slide text. Claude Code Claude.ai 241,433installs docx official anthropics skill This skill creates, reads, and edits Word documents and templates. Use it for reports, letters, and files that need headings, tables, or page numbers. Claude Code Claude.ai 206,304installs writing-for-agents Matt Pocock skill Guidance for writing skills and agent-facing documents. Use it when editing AGENTS.md, CLAUDE.md, or reference files reached from them. Claude Code 466,719installs teach Matt Pocock skill Turns the current directory into a learning workspace and keeps progress across sessions. Use it when learning needs to support a concrete goal in your project. Claude Code 862,247installs git-guardrails-claude-code Matt Pocock skill This skill adds a Claude Code hook that stops risky Git commands before they run. Use it when an agent must not push or discard working-tree changes. Claude Code 499,069installs to-questionnaire Matt Pocock skill Turns a decision you cannot answer alone into a Markdown questionnaire for someone with the missing context. Use it to collect answers asynchronously or work through questions in a meeting. Claude Code 498,319installs pdf official anthropics skill This skill lets an agent read, create, and edit PDF files, including forms and scanned documents. Use it when PDF work is part of the task. Claude Code Claude.ai 216,041installs domain-modeling Matt Pocock skill This skill sharpens project terminology, maintains GLOSSARY.md, and records selected architecture decisions in ADRs. Use it while the domain model is changing. Claude Code 876,391installs wizard Matt Pocock skill This skill creates an interactive bash wizard for manual setup steps, CI secrets, third-party dashboards, and one-off migrations. Claude Code 553,369installs xlsx official anthropics skill Creates, reads, edits, and converts spreadsheet files. Use it when the requested deliverable is an Excel workbook or another tabular file. Claude Code Claude.ai 187,223installs prototype Matt Pocock skill Creates throwaway prototypes for checking state logic or exploring UI before committing the decision to the main codebase. Claude Code 986,201installs diagnosing-bugs Matt Pocock skill This skill guides agents through reproducing hard bugs and performance regressions with a focused feedback loop. Use it when code fails, behaves incorrectly, or runs slowly. Claude Code 834,802installs to-tickets Matt Pocock skill Turns a plan, spec, or conversation into small end-to-end tickets with explicit blockers. Use it to agree on the work breakdown before tickets go to a tracker. Claude Code 711,230installs tdd Matt Pocock skill Guides the red-green TDD loop: ensures tests are written first, keep them at public interfaces, and avoid coupling to implementation details. Claude Code 1,141,062installs webapp-testing official anthropics skill This skill tests local web apps with Playwright, helping agents debug UI behavior, capture screenshots, and inspect browser logs. Claude Code Claude.ai 186,758installs triage Matt Pocock skill This skill moves issues and external PRs through triage states, verification, and agent briefs. It fits maintainers managing an issue queue. Claude Code 990,453installs implement Matt Pocock skill Implements work from a specification or tickets, following a test-driven flow and ending with review and a commit. Use it when a coding task needs a defined delivery routine. Claude Code 774,700installs handoff Matt Pocock skill Creates a handoff document from the current conversation so another agent can continue the work. Use it when a task moves to a new session or agent. Claude Code 1,038,491installs research Matt Pocock skill Researches a question through primary sources and saves the findings as a Markdown file in the repository. Use it for API facts, documentation checks, and delegated reading. Claude Code 711,295installs codebase-design Matt Pocock skill This skill helps design modules with small interfaces and hidden complexity. Use it when refactoring code, choosing a seam, or making tests easier to write. Claude Code 850,344installs to-spec Matt Pocock skill Turns the current conversation and repository context into a spec, then publishes it to the project issue tracker. Use it when a feature discussion is ready to hand off to an agent. Claude Code 715,388installs