Skills
98,284 packaged capabilities and playbooks for agents. Install any of them with one command.
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Competitor pricing strategy analysis and market positioning. Price mapping, pricing gaps identification, elasticity signals evaluation, and strategic pricing optimization. Use when the user asks about competitor pricing, price analysis, pricing strategy, or competitive pricing research.
Use when working with Go formatting, line length, nesting, naked returns, semicolons, or core style principles. Also use when a style question isn't covered by a more specific skill, even if the user doesn't reference a specific style rule. Does not cover domain-specific patterns like error handling, naming, or testing (see specialized skills). Acts as fallback when no more specific style skill applies.
Create a new Magento 2 module in app/code/. This skill should be used when the user wants to create a module, scaffold a new module, generate module boilerplate, or set up a custom module. It handles registration.php, composer.json, module.xml generation with configurable dependencies. Trigger phrases include "create module", "new module", "scaffold module", "generate module".
Plan shoot-ready Amazon product photography, listing image sets, infographics, lifestyle scenes, and production briefs. Use when a seller asks for an Amazon photo shot list, creative direction, image-pack plan, photography budget, DIY-versus-done-for-you decision, or handoff to a photographer or image-generation workflow. Do not use for listing copy or image-only performance auditing.
Seller storefront analysis and competitive intelligence for Amazon. Analyzes seller revenue estimation, product portfolio strategy, growth trajectory, and market positioning. Reverse-engineer successful seller strategies and identify expansion opportunities. Use when the user asks about analyzing sellers, competitor seller analysis, seller revenue estimation, storefront analysis, seller strategy, or learning from successful Amazon sellers.
Use when optimizing Go code, investigating slow performance, or writing performance-critical sections. Also use when a user mentions slow Go code, string concatenation in loops, or asks about benchmarking, even if the user doesn't explicitly mention performance patterns. Does not cover concurrent performance patterns (see go-concurrency).
Score any website the way an Awwwards jury would, from evidence alone. Screenshots every page type on desktop, a throttled phone and reduced motion, measures LCP, CLS, FPS, axe, keyboard focus and hover feedback, audits SEO and metadata, then a fresh critic that never sees the code scores Design, Usability, Creativity, Content and the six developer areas, with a ranked fix list. Use when someone asks to review, critique, score, rate or roast a website, portfolio or landing page, asks whether a site is good enough for Awwwards or Site of the Day, or wants design QA of a live URL or a local build. Not for building or redesigning a site; use /awwwards for that.
Builds comprehensive pricing strategies by reading business context and asking targeted questions interactively. Use when user needs pricing plans, tier structures, price points, pricing model recommendations, or any pricing-related strategy for their product or service.
Comprehensive skill for Anime.js v4, a fast and flexible JavaScript animation library. Use this skill when implementing web animations, creating timelines, working with SVG animations, scroll-based animations, draggable elements, staggered effects, or any JavaScript-based animation on the web. Triggers on: "anime.js", "animejs", "animate elements", "CSS animation with JS", "timeline animation", "stagger animation", "SVG morphing", "motion path", "scroll animation", "draggable", "spring animation", "keyframe animation".
Use 得到大脑 to save text, links, images, and long notes; find notes by recording console or recording card source; view note details, original text, recording transcripts, attachments, timelines, markers, germination reports, quick notes, and meeting tasks; and safely update, delete, or share notes. Markers, germination, and timelines are read separately.
Use this skill when the user asks to "make a launch video", "create a product hype/sizzle film", "build a teaser/trailer for a drop", "do a reveal montage with an end-card CTA", "cut a hero video to the beat", or "export a launch film in 16:9/9:16/1:1". Covers the hook→tease→reveal→feature-montage→end-card arc and multi-aspect export.
Implement, configure, and secure Sign In With Google (SiwG) using Google Identity Services (GIS / `https://accounts.google.com/gsi/client`) across web architectures. Use when creating Google sign-in buttons, implementing Google One Tap with FedCM, integrating GIS in React/Next.js/Angular/HTML, verifying ID tokens on backend runtimes (Python/Node.js/Go/Java), enforcing Google Workspace domain restrictions (`hd`), securing client-side ID tokens via WebCrypto nonces or encrypted IndexedDB, embedding in cross-origin iframes via the Intermediate Iframe API (`https://accounts.google.com/gsi/intermediate`), configuring Content Security Policy (CSP), COOP, and Permissions Policy (`identity-credentials-get`) headers, or handling sign-out and revocation. Don't use for legacy Google Sign-In (`gapi.auth2`), Google Cloud IAM service accounts, or Android/iOS native Credential Manager.
Create or update a Sumsub KYC questionnaire definition. POST `/resources/api/agent/questionnaires` to create new (fails 409 if id exists), PATCH same path to update (fails 404 if id is unknown), GET `/resources/api/agent/questionnaires/{id}` to read one back. TRIGGER when the user asks to "create / add / build / update / edit a Sumsub questionnaire", or supplies a list of questions / sections meant for a Sumsub applicant flow, or references a questionnaire id / definition to be POSTed or PATCHed. SKIP for other Sumsub entities (levels, workflows, applicants), questionnaire data (answers) submission, or non-Sumsub form builders.
Reveal Three.js geometry with an expanding world-space scan whose wire cage leads the solid surface, then burns away. Use for wireframe scanning, radial mesh reveals, survey pulses, holographic assembly, topology intros, and 3D model entrances where a plain opacity wipe does not explain the form.
Create videos from a text prompt using HeyGen's Video Agent. Use when: (1) Creating a video from a description or idea, (2) Generating explainer, demo, or marketing videos from a prompt, (3) Making a video without specifying exact avatars, voices, or scenes, (4) Quick video prototyping or drafts, (5) One-shot prompt-to-video generation, (6) User says “make me a video” or “create a video about X”.
Use this skill before running, or recommending, any Docker command that deletes, wipes, resets, or otherwise irreversibly changes state — even if the user just says to "clean up", "clear the cache", "start fresh", "wipe everything", "nuke it", "reset", "force remove", or "tear down" Docker resources. Covers generic Docker CLI destructive operations not owned by a more specific skill — `docker rm`, `docker rm -f`, `docker container prune`, `docker kill`, `docker system prune`, `docker rmi`/`docker image rm`, `docker image prune -a`, `docker network rm`, `docker network prune`, `docker builder prune`, `docker buildx rm`, `docker context rm`, and standalone (non-Compose) `docker volume rm`/`docker volume prune`. Also indexes destructive commands owned by other Docker skills (Compose, sandbox, Desktop). Core rule — state exactly what will be lost and get explicit confirmation first, except narrow, low-friction Tier 1 container cleanup.
Package a finished local project into an intentional GitHub repository, create a strong README and visual preview, push it safely, configure a public GitHub Pages URL when the project is compatible, and verify the deployed result. Use when a user asks to upload, publish, open-source, share, or turn a local HTML/CSS/JavaScript experiment or small web project into a documented GitHub repository with a live demo.
Press a decision you just made until you can explain it to a skeptic in your own words, or uncover the gap where you can’t. The Feynman test for a choice: understanding is easiest to fake just after you decide, so a fresh critic presses you on what you can’t actually explain. Use right after choosing an option, especially one an agent proposed without arguing for.
Test application performance with k6 load/stress/soak/spike scripts and k6 scenarios, Lighthouse CI for Web Vitals, and performance budgets as CI gates. Covers load profiles, custom metrics, bottleneck identification, and Core Web Vitals (LCP, INP, CLS). Use when: "performance test," "load test," "stress test," "soak test," "spike test," "k6," "k6 scenarios," "Lighthouse," "Web Vitals," "Core Web Vitals," "performance budget." Not for: scheduled production probes — use synthetic-monitoring; pixel-diff regressions — use visual-testing; designing tests from prod telemetry — use observability-driven-testing. Related: ci-cd-integration, qa-metrics, release-readiness.
Orchestrates multi-agent task execution using a Royal Navy squadron metaphor — from mission planning through parallel work coordination to stand-down. Use when work needs parallel agent orchestration, tight task coordination with quality gates, structured delegation with progress checkpoints, or a documented decision log.
When the user wants to plan paid ads strategy, allocate ad budget, or choose paid channels. Also use when the user mentions "paid ads," "paid media," "PPC," "SEM," "web ads," "app ads," "TV ads," "CTV," "OOH," "banner ads," "ad network," "ad alliance," "Taaft ads," "Shopify App Store ads," "Google Ads," "Meta Ads," "PMF testing," "PMF validation," "test product-market fit with ads," "ad spend," "ad budget," "ROAS," "paid acquisition," "Quality Score," or "ad-to-page alignment." For Google Ads execution, use google-ads. For Meta Ads execution, use meta-ads. For landing page alignment, use landing-page-generator.
Use when analyzing HTML/CSS websites for SEO optimization, fixing SEO issues, generating SEO reports, or implementing SEO best practices. Use when the user requests SEO audits, optimization, meta tag improvements, schema markup implementation, sitemap generation, or general search engine optimization tasks.
Submit a transaction to Sumsub Transaction Monitoring (KYT) via the ApplicantResource API. TRIGGER when the user asks to "submit / create / send / record a transaction", "test a KYT rule with a transaction", post a fiat or crypto payment for monitoring, attach Travel Rule data to a transfer, log a user-platform event (signup / login / password-reset / 2FA-reset) for monitoring, or submit a transaction for an applicant that does not exist yet (the request creates them). SKIP for editing arbitrary fields on an existing transaction, for bulk import (`/kyt/misc/txns/import`), for fetching / approving / rejecting transactions, for KYT rule management, or for Travel Rule data-exchange flows that are not transaction creation.
A skill for creating content for Xiaohongshu posts. Use it when the user needs to create Xiaohongshu post materials. It can write post content (title and body) based on the user's needs and supplied materials, generate image cards (cover and body cards), and publish Xiaohongshu posts. Supports 8 polished layout themes and 4 smart pagination modes.
Develop TypeScript/Three.js games in isolated workspaces, plan games and create, edit, upgrade, animate, and prepare production-ready game assets with Meowa. Use for Game Designer research and design documents, pixel or HD sprites, consistent variants, multi-view or Spine characters, UI sheets, image and frame edits, Pindou bead art, textures, terrain tilesets, maps, video, sound effects, music, spoken dialogue (TTS or voice clone), bundled Meowa CLI execution, or final game-project deliverable validation.
Apply when building backend service apps under node/ in a VTEX IO project or configuring service.json routes. Covers the Service class, middleware functions, ctx.clients pattern, JanusClient, ExternalClient, MasterDataClient, and IOClients registration. Use for implementing backend APIs, event handlers, or integrations that must use @vtex/api clients instead of raw HTTP libraries
Capture and review Agent Skill observations, and create, run, diagnose, or iteratively improve Skill evaluations (evals) with the skill-up CLI. Use when the user asks to record explicitly attributed Skill usage or feedback; review observations or user-supplied traces/transcripts; turn an approved observation into a regression case; evaluate, test, regress, verify, fix, improve, iterate, or evolve a Skill; add or strengthen eval cases; write eval.yaml/case.yaml; run skill-up run/validate/list-cases/report/import/init; or migrate from Anthropic evals.json. Plugin observation capture/review require either the Codex skill-up plugin or an observer-enabled DSH skill-up plugin. User-supplied external evidence can be reviewed without a plugin; evaluation remains multi-engine.
Rebuild a person’s lost context about a project from its live state, in plain language: what needs their attention, what changed, and what new terms mean. Use when someone returns after a gap, says they can’t follow the project anymore, asks what happened or what a term means, or is about to decide what to do next while their mental model is stale. Read-only; it briefs, it does not act.
Use when working with context.Context in Go — placement in signatures, propagating cancellation and deadlines, and storing values in context vs parameters. Also use when cancelling long-running operations, setting timeouts, or passing request-scoped data, even if they don't mention context.Context directly. Does not cover goroutine lifecycle or sync primitives (see go-concurrency).
Interactive Product Owner skill for requirements gathering, analysis, and PRD generation. Triggers when users request product requirements, feature specification, PRD creation, or need help understanding and documenting project requirements. Uses quality scoring and iterative dialogue to ensure comprehensive requirements before generating professional PRD documents.
Verify the model’s understanding of a user’s instruction before undertaking substantial work. Use when a request is long, bundled, high-stakes, hard to undo, or has ambiguous scope or references such as “this,” “that,” “it,” “the other one,” “whatever is cleaner,” or “whichever order makes sense.” Restate it internally, cross-check against available context, proceed silently if resolved, and surface only a genuine remaining ambiguity.
Design and review Elasticsearch index mappings for stated access patterns: correct field types, text+keyword multi-fields, doc_values tuning, mapping-explosion avoidance, and explicit shard settings. Use when creating a new index, reviewing a mapping for storage or query performance, fixing wrong field types, or when the user asks which type to use for search, filter, sort, or aggregation on a field.
Use when the user wants to write, audit, or optimize a meta description, SEO description, SERP snippet candidate, duplicate description, description length, or description rewrite issue. For a sitewide metadata lifecycle including implementation and production validation, use page-metadata.
Amazon sales volume estimator for sellers and product researchers. Estimate monthly sales and revenue from BSR (Best Seller Rank), ASIN, or keyword. Three modes: (A) BSR Calculator — input BSR + marketplace + price + category to get instant sales estimate, (B) ASIN Lookup — input ASIN to auto-fetch data and estimate sales, (C) Keyword Market Analysis — input keyword to analyze total market size and competition. Works on 12 Amazon marketplaces. No API key required. Use when: (1) estimating how many units a product sells per month, (2) sizing a market or niche opportunity, (3) analyzing competitor sales performance, (4) comparing sales across price points, (5) identifying top sellers vs long-tail distribution.
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.