Skill rating

ExternalDNS automatically creates and updates DNS records for Kubernetes Services, Ingresses, Gateway API routes and Istio resources in providers such as Route 53, Cloud DNS and Cloudflare. Use when s

Guides OKR (Objectives and Key Results) planning: writing ambitious objectives with measurable key results, aligning teams, running the quarterly cycle, and scoring results. Use when a user asks to "w

OpenAPI is the standard format for describing HTTP APIs in YAML or JSON, from which docs, typed clients and mock servers can be generated. Use this skill to write an OpenAPI 3.1 spec, lint it with Red

Reviews a diff with several independent read-only reviewer agents running at the same time, each looking through one lens (correctness, security, data, concurrency, compatibility, tests), then checks

Investigates a reported bug and turns it into a tracker issue that someone else can pick up: checks for duplicates, reproduces the problem, traces it to its cause in the code, rates severity, and writ

Browserbase runs managed headless Chromium sessions in the cloud, so browser automation, AI agents and scraping jobs need no browser infrastructure of their own. Use when someone asks to "run Playwrig

Writes and rewrites the words on marketing pages: homepage, landing page, pricing, feature, product and about pages, including headlines, button text, section copy, title tag and meta description. Sta

Hugging Face is the hub and Python libraries (transformers, datasets, peft, huggingface_hub) for downloading, running, fine-tuning and publishing machine-learning models. Use when the user asks to "lo

Generate deterministic MP4 videos from HTML, CSS, media, and seekable animations using HeyGen's HyperFrames framework. Use when someone asks to "render HTML to video", "make a video with HyperFrames",

PlanetScale is a managed database platform running Vitess (MySQL-compatible), Postgres and Neki (sharded Postgres), with Git-like database branches, deploy requests for non-blocking schema changes, an

Tailwind CSS is a utility-first CSS framework: you style pages with small classes in the markup and ship only the CSS you use. Covers Tailwind v4 (CSS-first config with @theme, @import "tailwindcss",

Run AI agent and LLM evaluations in CI/CD pipelines — automated quality gates that fail the build when AI output quality drops. Use when someone asks to "test my AI agent", "add evals to CI", "catch p

AWS Lambda runs your code on demand without servers, scaling from zero to thousands of concurrent executions and billing per invocation. Use this skill to build Lambda functions in Node.js or Python b

Excalidraw is an open-source virtual whiteboard, shipped as a React component, for hand-drawn style diagrams. Use it to embed a whiteboard in a React or Next.js app, generate diagrams from code or Mer

Find edge-case bugs with property-based testing using fast-check — generate thousands of random inputs automatically. Use when someone asks to "find edge cases", "fast-check", "property-based testing"

Lucia was a TypeScript library for database-backed session authentication. Its npm package was deprecated in March 2025 and the project now ships one reference file for writing the session code yourse

Use Tailwind CSS in React Native with NativeWind — write className instead of StyleSheet. Use when someone asks to "use Tailwind in React Native", "NativeWind", "style React Native with Tailwind", "cl

Build integrations with SharePoint Online for document management, site automation, and intranet development. Use when someone asks to "integrate with SharePoint", "upload files to SharePoint", "manag

Atlassian Statuspage is a hosted status page service with a REST API for components, incidents and scheduled maintenance. Use this skill to list and update component status, open, update and resolve i

Connects a coding agent to Google Stitch through the stitch-mcp CLI and MCP proxy, so the agent can read a screen's HTML and screenshot and rebuild it in the project's own framework. Use when a user s

Capacitor is a runtime that packages a web app as a native iOS and Android app and exposes native device APIs to JavaScript. Use when someone asks to "convert my website to a mobile app", "Capacitor",

Chromatic is a visual testing service from the Storybook team that snapshots every story in a cloud browser and shows visual diffs for review on each pull request. Use when the user wants visual regre

Effect is a TypeScript library for typed errors, dependency injection, structured concurrency, retries, streams and schema validation. Use when someone asks to "handle errors without try-catch", "type

Hunter.io is an email-finding and verification service with a REST API: list the public email addresses of a company domain, find one person's work email, check whether an address is deliverable, and

Builds and manages Microsoft Access databases, queries, forms, reports, and VBA automation. Use when someone asks to "create Access database", "write Access queries", "build Access forms", "Access VBA

Specifies, builds and audits website popups: modal dialogs, slide-ins, sticky bars and exit prompts that collect an email, show an offer or make an announcement. Picks the format and trigger, keeps th

shadcn/ui is a collection of accessible React components (built on Radix UI or Base UI and Tailwind CSS) that you add to your project as source code with a CLI instead of installing as a dependency. U

Stagehand is Browserbase's open-source SDK for browser agents. It adds three natural-language calls (act, extract, observe) on top of a Chrome browser you drive from TypeScript, Python or Go. Use this

Tesseract is an open-source OCR engine that reads printed text out of images (PNG, JPEG, TIFF) and writes plain text, searchable PDF, hOCR, TSV or ALTO XML. Use when someone asks to "extract text from

Traceloop's OpenLLMetry SDK adds OpenTelemetry tracing to LLM applications: it auto-instruments OpenAI, Anthropic, LangChain, LlamaIndex and vector databases, and exports spans to any OTLP backend (Gr

Composio connects AI agents to 1,000+ external apps (GitHub, Slack, Gmail, Notion, Linear and more) and handles OAuth, token storage and per-user connections for them. Use when someone asks to "give m

Automate mobile app builds, signing, and deployment with Fastlane — CI/CD for iOS and Android. Use when someone asks to "automate App Store deployment", "Fastlane", "automate iOS build", "CI/CD for mo

Audits and rebuilds web forms so that more people finish them: lead, contact, demo-request, quote, checkout and survey forms. Produces a field-by-field triage, standards-based markup (labels, autocomp

Guidance is Microsoft's open-source Python library for controlling LLM output with constrained generation: you interleave text, control flow, regex, select() choices and JSON schemas, and the model ca

Helicone is an LLM observability platform and proxy that sits between your app and providers such as OpenAI and Anthropic, logging every request with cost, latency and user metadata, and adding cachin

Runs and caches tasks across a monorepo with moonrepo (moon): a Rust-based build system that reads the project dependency graph, orders tasks, skips unchanged work, pins toolchains such as Node.js and

NemoClaw is NVIDIA's open-source reference stack that installs and runs an AI agent (OpenClaw by default; Hermes and LangChain Deep Agents Code also supported) inside an NVIDIA OpenShell sandbox with

Manage files and folders in OneDrive and OneDrive for Business via Microsoft Graph API. Use when someone asks to "upload to OneDrive", "sync files with OneDrive", "share OneDrive files", "manage OneDr

OpenTofu is the open-source (MPL-2.0, Linux Foundation) fork of Terraform: it provisions cloud infrastructure from HCL files with the `tofu` command and reads existing Terraform configurations, provid

Plans, structures, launches and diagnoses paid campaigns on Google Ads, Meta (Facebook and Instagram) and LinkedIn against a cost-per-acquisition or return target derived from the business's own numbe

pgvector is a PostgreSQL extension that stores vector embeddings in ordinary tables and searches them by similarity, so no separate vector database is needed. Use when someone asks for "vector search

Define data schemas with Protocol Buffers (protobuf), Google's language-neutral binary serialization format, and generate typed code for TypeScript, Go, Python and other languages. Use when the user a

Bundle JavaScript with Rolldown, the Rust-based Rollup-compatible bundler that powers Vite 8. Use when someone asks for "Rolldown", "Rust Rollup", "fast Rollup alternative", "Vite 8 bundler", or "OXC

When the user wants to automate browser testing across multiple browsers using Selenium WebDriver. Also use when the user mentions "selenium," "WebDriver," "browser automation," "cross-browser testing

Write and deploy server-side TypeScript functions instantly with Val Town. Use when someone asks to "deploy a function quickly", "serverless TypeScript", "quick API endpoint", "webhook handler", "cron

Define runtime-validated types with ArkType — TypeScript's 1:1 validator. Use when someone asks to "validate data in TypeScript", "runtime type checking", "ArkType", "type-safe validation", "alternati

Build reliable web scrapers and crawlers with Crawlee — Apify's open-source framework for structured web scraping. Use when someone asks to "scrape a website", "build a crawler", "Crawlee", "web scrap

Build server-rendered web apps that feel like SPAs with Hotwire, the HTML-over-the-wire toolkit made of Turbo (Drive, Frames, Streams, page-refresh morphing) and Stimulus controllers. Use when a user

SideFX Houdini is a node-based 3D application for procedural modeling, simulation, visual effects and USD scene assembly, scripted with VEX and Python (the hou module). Use when a user asks to "write

LanceDB is an embedded, serverless vector database that stores data in the Lance columnar format on local disk or object storage, with Node.js, Python and Rust clients. Use when someone asks for "vect