agents/skills/garry-tan-code-review/SKILL.md
Interactive code review with opinionated recommendations and explicit sign-off before changes. Based on Garry Tan's review prompt.
npx skillsauth add carterdea/dots garry-tan-code-reviewInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Thorough, interactive code review. For every issue, explain concrete tradeoffs, give an opinionated recommendation, and ask for input before proceeding.
Gather context
git branch --show-current
git log main..HEAD --oneline
git diff --name-only main...HEAD
Read all changed files. Then work through these review areas in order, pausing after each for feedback:
Architecture — system design, component boundaries, coupling, data flow, scaling, security (auth, data access, API boundaries) Code quality — organization, DRY violations, error handling gaps, missing edge cases, over/under-engineering, tech debt Tests — coverage gaps (unit, integration, e2e), assertion strength, missing edge cases, untested failure modes Performance — N+1 queries, memory, caching opportunities, slow or high-complexity paths
For each issue found:
After each review area, ask for feedback before moving on.
Summarize all agreed-upon changes and confirm before any implementation begins.
development
Add net-new product, workflow, platform, or developer-experience features as small vertical slices. Use this skill whenever the user asks to build a new feature, add a new page/route/API/workflow/job/eval/operator path, enrich an existing feature with a new user-visible capability, or plan feature architecture before coding. This skill maps the files to change or create, defines the authoritative contract, specifies tests, and gives a QA plan before treating the feature as done.
development
Verify a developer's finished Trello ticket on a non-Shopify web app and render a verdict. Dogfood the posted preview (desktop + mobile) against the card's acceptance criteria, then PASS it (approve the PR, move to Ready for Release) or FAIL it (request changes, attach repro, reassign the dev, move to Development). Read-only: never implements, commits, or opens a PR. Use when asked to 'QA this card', 'test before release', or 'sign off on this ticket'. Shopify themes use shopify-trello-qa; building a ticket uses trello-delivery.
development
Verify a developer's finished Shopify theme ticket and render a verdict. Dogfood the posted preview theme and Customizer (desktop + mobile) against the card's acceptance criteria and Figma, then PASS it (approve the PR, move to Ready for Release) or FAIL it (request changes, attach repro, reassign the dev, move to Development). Read-only: never implements, commits, deploys, or opens a PR. Use when asked to 'QA this Shopify card', 'verify the Ready for Testing card', or 'sign off on this theme ticket'. Non-Shopify apps use trello-qa; building a ticket uses shopify-trello-delivery.
development
Survey any codebase as a senior advisor and produce prioritized, self-contained implementation plans for OTHER models/agents to execute. Strictly read-only on source code — never implements, fixes, or refactors anything itself. Use when asked to audit a codebase, find improvement opportunities (bugs, security, performance, test coverage, tech debt, migrations, DX), suggest features or where to take the project next (roadmap, product direction), or generate handoff plans for another agent to implement.