supermatt

In the author's own words, from each skill's SKILL.md — showing the first 30 of 39 files.

• ask-supermatt

  Ask which skill or flow fits your situation. A router over the skills in this repo.

  skills/ask-supermatt/SKILL.md on GitHub (opens in a new tab)

• code-review

  Review the changes since a fixed point (commit, branch, tag, or merge-base) along three axes: Standards (does the code follow this repo's documented coding standards?), Spec (does the code match what the originating issue/spec asked for?), and Adversarial (how does the change fail in production?). Runs each axis in a sub-agent and in the other model family, and reports the axes side by side with…

  skills/code-review/SKILL.md on GitHub (opens in a new tab)

• codebase-design

  Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, deepen a chosen module, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.

  skills/codebase-design/SKILL.md on GitHub (opens in a new tab)

• commit

  Commit all changes on the current branch, main included.

  skills/commit/SKILL.md on GitHub (opens in a new tab)

• dependency-vetting

  Verify a package or tool is authentic before installing, adding, upgrading, or recommending it. Use whenever a task would add a dependency to a project, suggest a CLI tool, or pull a package from npm, PyPI, crates.io, Go modules, RubyGems, Homebrew, or any other registry. Also use when a registry page, install command, or installed artifact looks inconsistent with the project that supposedly publ…

  skills/dependency-vetting/SKILL.md on GitHub (opens in a new tab)

• diagnosing-bugs

  Diagnosis loop for hard bugs and performance regressions. Use when the user says "diagnose"/"debug this", or reports something broken/throwing/failing/slow.

  skills/diagnosing-bugs/SKILL.md on GitHub (opens in a new tab)

• domain-modeling

  Build and sharpen a project's domain model. Use when discussing codebase terminology, resolving a vague or overloaded word, stress-testing how domain concepts relate, writing or editing a GLOSSARY.md, or recording or editing an ADR.

  skills/domain-modeling/SKILL.md on GitHub (opens in a new tab)

• fix-findings

  Apply every finding from the most recent review, audit, verification, or check in this session.

  skills/fix-findings/SKILL.md on GitHub (opens in a new tab)

• grill-me

  A relentless interview to sharpen a plan or design.

  skills/grill-me/SKILL.md on GitHub (opens in a new tab)

• grill-with-docs

  A relentless interview to sharpen a plan or design, which also creates docs (ADRs and glossary) as we go.

  skills/grill-with-docs/SKILL.md on GitHub (opens in a new tab)

• grilling

  Grill the user relentlessly about a plan, decision, or idea. Use when the user wants to stress-test their thinking, says "grill me", or asks to poke holes in, challenge, or be interviewed about a plan or design, even without the word "grill".

  skills/grilling/SKILL.md on GitHub (opens in a new tab)

• handoff

  Write the current conversation into a portable handoff document for another agent to pick up.

  skills/handoff/SKILL.md on GitHub (opens in a new tab)

• ideate

  Generate grounded ideas for what to build next, critique every one, and rank the survivors in a Markdown file.

  skills/ideate/SKILL.md on GitHub (opens in a new tab)

• implement-spec

  Implement a whole spec through parallel ticket worktrees on one integration branch.

  skills/implement-spec/SKILL.md on GitHub (opens in a new tab)

• implement

  Implement a piece of work based on a spec, tickets, or triaged issues.

  skills/implement/SKILL.md on GitHub (opens in a new tab)

• improve-architecture

  Assess a codebase's architecture, stop when it is healthy, otherwise find deepening opportunities, design the chosen one, and hand a plan to /implement.

  skills/improve-architecture/SKILL.md on GitHub (opens in a new tab)

• improve-file-structure

  Assess project file organization and prepare a behavior-preserving migration plan for /implement when reorganization is justified.

  skills/improve-file-structure/SKILL.md on GitHub (opens in a new tab)

• improve-tests

  Cut a test suite to the tests that catch real bugs and its run time to the minimum: measure first, delete or demote low-value tests, fix slow setup, and prove every cut keeps the checks that matter.

  skills/improve-tests/SKILL.md on GitHub (opens in a new tab)

• jury

  Put a question or decision to a jury of 3 or 5 subagents: blind independent votes, one anonymized review round, and one committed verdict with the vote, the dissent, and the first action.

  skills/jury/SKILL.md on GitHub (opens in a new tab)

• orchestrate

  Work through GitHub issues or local Markdown tickets unattended in parallel lanes, with workers in Herdr panes and git worktrees.

  skills/orchestrate/SKILL.md on GitHub (opens in a new tab)

• pr

  The shape of a pull request body: a summary diagram, before/after evidence, and merge danger. Use when opening a PR, writing or rewriting a PR description, or when another flow needs a PR body.

  skills/pr/SKILL.md on GitHub (opens in a new tab)

• prototype

  Build a throwaway prototype to answer a design question. Use when the user wants to sanity-check whether a state model or logic feels right, or explore what a UI should look like.

  skills/prototype/SKILL.md on GitHub (opens in a new tab)

• qa

  QA a change in the running program, the way its user meets it: drive a CLI or terminal UI through tmux, a web app through a browser, and check every requested behavior against what you observe. Use after implementing a change and before code review, or when the user asks for a QA pass, a smoke test, or a click-through of a change, or asks whether it actually works.

  skills/qa/SKILL.md on GitHub (opens in a new tab)

• refactor

  Refactor code at method, file, or project scope. Assesses first and stops when the code is already clean, routes architecture problems elsewhere, and gates edits on test coverage. Language-agnostic.

  skills/refactor/SKILL.md on GitHub (opens in a new tab)

• research

  Investigate a question against high-trust primary sources and capture the findings as a Markdown file in the repo. Use when the user wants a topic researched, docs or API facts gathered, or reading legwork delegated to a background agent.

  skills/research/SKILL.md on GitHub (opens in a new tab)

• resolving-merge-conflicts

  Resolves an in-progress git merge or rebase conflict by tracing why each side changed, reconciling every conflicted hunk, running the project's checks, and finishing the merge or rebase. Use when a merge, rebase, or pull stops on conflicts, when files contain conflict markers, or when the user asks to fix or resolve merge conflicts.

  skills/resolving-merge-conflicts/SKILL.md on GitHub (opens in a new tab)

• retro

  Conduct a retrospective on a coding session.

  skills/retro/SKILL.md on GitHub (opens in a new tab)

• setup-supermatt-skills

  Configure this repo for the engineering skills: set up its issue tracker, triage label vocabulary, and domain doc layout. Run once before first use of the other engineering skills.

  skills/setup-supermatt-skills/SKILL.md on GitHub (opens in a new tab)

• ship-pr

  Commit, push, open a pull request, repair CI within bounded attempts, then squash merge and verify post-merge workflows.

  skills/ship-pr/SKILL.md on GitHub (opens in a new tab)

• tdd

  Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.

  skills/tdd/SKILL.md on GitHub (opens in a new tab)

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