Complex migrations can lose data or break compatibility during staged rollouts. This skill structures transitions around preservation, verification, rollback, and mixed-version safety.

Feature work often grows beyond acceptance needs and weakens architectural ownership. Lean Build defines a narrow outcome, reuses repository patterns, and stops after focused verification.

Premature edits can hide causes and introduce new failures. This skill organizes evidence, ranks hypotheses, and identifies a credible mechanism before implementation.

Pull request reviews often become too wordy for quick action. This skill formats feedback as concise, paste-ready comments with location, problem, and fix.

Aggregate repository profiles do not identify a safe or valuable code change by themselves. This skill tests one approved candidate against a controlled baseline.

Finding relevant code across an unfamiliar repository can consume time and context. This skill searches broadly and returns concise, verified file and line citations.

Unlabeled LLM traffic hides which jobs create spend. This skill discovers repository workflows, proposes durable labels, applies approved changes, and verifies attribution.

Verbose commits hide the reason for a change and slow review. This skill creates short Conventional Commit messages with context only when needed.

Long coding sessions lose context when subagents return verbose results. Cavecrew guides Claude, Codex, and Claude Code toward compact investigator, builder, and reviewer agents.

React Flow nodes can break when handles, edges, resizing, and scroll behavior drift apart. This skill gives Claude, Codex, and Claude Code a focused checklist for stable workflow node changes.

React Flow canvases can break when IDs, handles, state ownership, or viewport behavior drift. This skill guides Claude, Codex, and Claude Code through practical @xyflow/react v12 review checks.

QA teams spend significant time converting requirements into consistent test cases. Casely parses project documents, learns example formats, and exports structured cases.

Late web issues can block launches and harm accessibility, SEO, or core flows. This skill guides browser checks, Lighthouse interpretation, and structured reporting before release.

TanStack Query v5 changes can break data fetching, mutations, and SSR behavior. This skill provides focused setup, migration, debugging, and template guidance for React teams.

Tailwind v4 and shadcn/ui setup can fail because v4 changes config, plugins, and theme handling. This skill guides Claude, Codex, or Claude Code through tested templates and troubleshooting steps.

Disabled tests and unclear exclusions can hide regressions and weaken test quality. This skill reviews one focused area and produces documented, reviewable maintenance changes.

Laravel projects need consistent patterns for models, APIs, queues, interfaces, and tests. This skill provides practical examples for implementing and checking those features.

Paid agent demos are hard to design without unsafe wallet authority or unclear receipt handling. This skill gives Codex, Claude, and Claude Code structured patterns for bounded x402 payments and delegated spend.

HTTP 402 payment flows are hard to inspect and assemble safely. This skill helps Claude, Codex, and Claude Code plan custody-free x402 payments and monetize APIs.

GenLayer contracts must survive validator disagreement, changing external data, storage constraints, and unpredictable LLM responses. This skill provides practical patterns for consensus-safe contract design, error handling, storage, and cross-contract workflows.