Design, critique, and revise UML diagrams from a modeling and communication perspective. Use when Codex is asked to create or improve UML; when the user asks for a graphical…
Enhanced `uname` command with colorized, structured output. Shows hostname, OS, kernel, architecture. **Dependency**: This is an x-cmd module.
Use this skill to reason about the three-piece ADB topology (client CLI, host server on TCP 5037, on-device daemon `adbd`), the lifecycle commands `adb start-server` / `adb…
Use this skill to teach Claude exactly which Kotlin and Compose changes hot-reload under Compose HotSwan and which trigger a full incremental rebuild fallback.
Use this skill to size an Android test suite using Google's small / medium / big scope vocabulary and the qualitative pyramid.
Generate happy paths, edge cases and parameterized tests from functional logic analysis. Use this skill whenever the user mentions unit test, test generation, edge case,…
This skill should be used when a user asks to verify Unity work, confirm tests pass, check that a bug is fixed, validate a build, finalize a task, or mark work as complete.
Verify raw pointer arithmetic and safety invariants, rating unsafe blocks as sound or unsound. Use this skill whenever the user mentions unsafe rust, raw pointer, soundness,…
Targeted refactoring workflow for tangled business logic in code. Use when working on code where business rules, UI/presentation, API/IO, persistence, platform quirks,…
This skill should be used when the user asks to "set up CI", "configure GitHub Actions", "create a workflow", "pin actions", "use ratchet", "set up Claude code review", "configure…
ALWAYS USE THIS SKILL when a user asks for help preparing their US federal or New York state tax return AND mentions freelancing, self-employment, software development,…
Plan and run usability tests on existing or prototype designs including test design, task scripts, moderation, observation, and findings synthesis.
Apply this skill whenever you need to design test cases using Use Case Testing — a black-box test design technique that derives test cases from use case specifications.
Use this skill when the user wants to do anything onchain with stablecoins, USDC, or Circle through a CLI — paying for APIs, sending USDC, bridging, checking balances, or managing…
Query and analyze kotlinx-rpc build scans, test results, and failure patterns from the Develocity server (ge.jetbrains.com) using MCP tools.
Operate Railway infrastructure: sign up for or sign in to a Railway account, create projects, provision services and databases, manage object storage buckets, deploy code — from…
Operate Ryvn infrastructure: manage organizations, provision environments, deploy services and installations, configure blueprints, manage release channels and promotion…
How to use the `shablon` CLI to render Jinja2 templates from a `.shablon/` directory into a project tree.
This skill should be used to promote or demote a user's flag-targeting role across Supabase users.role and the Flagsmith identity trait.
This skill should be used when the user works on any .ex or .exs file, mentions Elixir/Phoenix/Ecto/OTP, the project has a mix.exs, or asks "which skill should I use", "new to…
Use this skill when building GoSX realtime collaboration, WebSocket hubs, presence, fanout, shared state, CRDT documents, CRDT sync, vector-backed workspaces, multi-agent…
Use this skill to reason about Jetpack Compose's Strong Skipping Mode — the default since Kotlin 2.0.20 — including what it changes about skippability, when it does and does not…
Use FIRST — before any other vox skill — when a user asks anything related to vox.ai: voice agent creation, prompt writing, flow design, tool setup, pricing, MCP connection, web…
This skill should be used when building iOS apps with xtool (Xcode-free iOS development), creating xtool projects, adding app extensions, or configuring xtool.yml.
Use this skill when designing, writing, or minimizing regression tests (e.g., mjsunit) for V8 bug fixes
Enforcement layer for chunk and story validation. Invokes the chunk-validator agent (haiku), enforces the verdict, routes failures to refine-chunk or test-fix, captures CLI…
Build and validate SkiaSharp sample projects using CI-produced NuGet packages. Downloads the latest CI artifacts, detects the preview version, and runs the samples cake target to…
Validate a software project against the TEHIK IT Profile (the Ministry of Social Affairs technology compatibility matrix).
Use this skill when building Vapor Swift backend applications — async HTTP server, Fluent ORM, WebSocket support, middleware pipeline.
MUST be used FIRST, before any other tool, for EVERY user request that mentions a specific tool, API, file format, service, framework, library, CLI, platform, dataset, or — from…
Verify that a child VAST doc genuinely cascades from its parent — that a product VAST nested under a company VAST (or a component VAST under a product VAST) is actually…
Tier 1 workflow base for VAT return preparation skills. Contains the universal workflow runbook, two-tier classification rule, conservative defaults principle, structured question…
Reconcile the ADR architecture corpus against the codebase and the feature lifecycle documents against the single-home-fact boundary.
This skill should be used when deploying Vaultwarden (self-hosted Bitwarden-compatible server) via Docker on a bare Debian/Ubuntu VPS or VM — not a Proxmox LXC/VM fleet host.
Use this skill when the user wants to run a V-Bounce SDLC cycle, start a vbounce workflow, or manage a structured software development lifecycle with the V-Bounce framework.
Use this skill when a VC wants to source emerging AI-infrastructure, crypto-AI, robotics, or agentic-payments deals before the round — e.g.
Full-spectrum VetCoders ownership mode for moments when the user wants Agent to take the wheel and drive a product from A to Z: architecture, coding, runtime debugging, UI polish,…
Run comprehensive code quality checks for vembed-factory project. Execute this whenever the user mentions code review, CI/CD validation, testing, or preparing code for…
This skill provides comprehensive knowledge for integrating Vercel Blob object storage into Vercel applications.
Deploy applications and websites to Vercel. Use this skill when the user requests deployment actions such as "Deploy my app", "Deploy this to production", "Create a previ — from…
Deploy applications and websites to Vercel. Use this skill when the user requests deployment actions such as "Deploy my app", "Deploy this to production", "Create a previ — from…
This skill provides comprehensive knowledge for integrating Vercel KV (Redis-compatible key-value storage powered by Upstash) into Vercel applications.
Move a Vercel-hosted Next.js app onto Cloudflare and, where it fits, onto a microservices.sh app. Use when a user wants off Vercel/Next for hosting, edge runtime, KV, Postgres,…
Diagnose, fix, and prepare Python projects for Vercel deployments. Use for FastAPI, Flask, Django, ASGI/WSGI, Python entrypoints, pyproject.toml, requirements.txt, uv,…
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ens — from…
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ens — from…
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ens — from…
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ens — from…
Guide for implementing smooth, native-feeling animations using React's View Transition API (`` component, `addTransitionType`, and CSS view transition pse — from…
G7 — apply property-based testing, mutation testing, and formal verification as a stage-06d sub-stage. "Tests pass" becomes the floor; this skill raises the ceiling.
Verify web application changes work by launching the app stack and testing in a real browser. This skill should be used when the user asks to "verify the change", "test in…
Validate layout integrity for scripts written vertically \u2014 Japanese, Chinese, Mongolian \u2014 ensuring correct character rotation and stacking.
★ ALWAYS LOAD THIS SKILL BEFORE WRITING ANY CODE. MANDATORY for every coding task: implementing a feature, fixing a bug, writing a function, debugging, writing/running tests,…
VISTA Beta -- Visualized Intelligence from Sources, Trends & Analysis (rebrand pipeline). Runs cross-functional business analysis reports with visual charts for Percona teams…
This skill enables Claude to execute visual regression tests using tools like Percy, Chromatic, and BackstopJS.
Verify UI-facing changes by running a screenshot-analyze-verify loop across configured viewports, with a browser-tool priority cascade (Playwright MCP → Chrome DevTools MCP → CLI…
Use this skill when authoring, reviewing, or fixing a vLLM Kubernetes manifest, Docker/Podman pod, or OpenShift ServingRuntime — even when the user does not say "vllm".
DEPRECATED — superseded by `righting-software-system-design`, a more faithful and complete implementation of Juval Löwy's iDesign methodology from *Righting Software*.
Configure and secure servers step by step using fixed scripts and templates rather than improvised commands.
Add agent-ready vision capabilities — dense captioning, detection, search, alerting, summarization — to an agent or application through a customizable, self-contained vision stack…