Skills
100,696 packaged capabilities and playbooks for agents. Install any of them with one command.
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Write git commit messages that follow the Conventional Commits v1.0.0 spec. Use this whenever you are about to author a commit on the user's behalf, prepare or run `git commit`, suggest or clean up a commit message, split a diff into commits, write a PR title/description that references commits, or generate a CHANGELOG from history — even when the user never says "conventional commits". If a commit message is being written in a git repo, this skill applies.
Optimize CoreML models for iOS and macOS deployment. Covers quantization, palettization, pruning, Neural Engine targeting, compute unit selection, and performance profiling. Use when converting ML models to CoreML, optimizing model size/latency, debugging Neural Engine issues, or benchmarking on-device inference.
Estimate fair market rates for creator partnerships based on platform, follower count, engagement rate, niche, and deliverable type. This skill should be used when estimating influencer rates, calculating creator pricing, building a rate card for a campaign, checking if a creator's rate is fair, comparing influencer costs across platforms, budgeting for a creator campaign, evaluating a creator's rate card, figuring out how much to pay an influencer, benchmarking creator rates against market data, or assessing whether a creator is overcharging. For negotiating rates after estimation, see rate-negotiation-playbook. For full creator vetting beyond pricing, see creator-vetting-scorecard.
Programmatic web search and scrape with context isolation. Use for any research task where you need to search the web, filter results, and extract specific information — without flooding your context window with raw HTML and boilerplate. This is the single biggest token-saver in the crw skill set. Triggered by "search for", "look up", "find", "research", "what's the latest on", or any query that requires current web information. Also use when asked to "search and filter", "find the important parts", or any task where you suspect the raw output will be large (multi-page scrapes, news aggregation, competitive research).
Extract a typed JSON object from one or more web pages against a JSON Schema with fastCRW. Use when you need structured data — "get the price and stock status", "extract all job listings as JSON", "pull structured fields from this page". Step 6 of the crw workflow ladder.
Search the web with fastCRW and get titles, URLs, and descriptions. Use when you have a question or topic but not a URL — "search for", "find pages about", "look up", "what is", "who is", "latest news on", "find docs for". Own search backend: self-hosted, no API key, no per-query cost, high recall via meta-search aggregation. Step 1 of the crw workflow ladder.
Guide to cryptocurrency portfolio management — asset allocation, rebalancing strategies, risk-adjusted returns, benchmarking, and tax-loss harvesting. Use when helping users build portfolios, rebalance holdings, or evaluate portfolio performance.
CTF reverse engineering techniques. Use when a challenge provides an unknown binary whose algorithm logic must be analyzed, a game client needs its verification cracked, obfuscated code needs to be restored, or a custom VM needs to be interpreted and executed. Covers Ghidra/IDA static analysis, GDB/Frida dynamic debugging, anti-debugging bypass, and multi-platform reverse engineering of WASM/.NET/APK/Python bytecode/Go/Rust
Generate diagrams from declarative text using D2 - modern text-to-diagram language with automatic layouts, themes, and advanced styling. Use when creating architecture diagrams, flowcharts, decision trees, workflow diagrams, sequence flows, or ERDs from text definitions.
Compile timestamped conversation logs, agent sessions, IM messages, collaborative documents, meeting notes, task records, and similar OpenViking materials into concise, evidence-grounded daily reports. Use with ov compile when the user asks for a daily work report, end-of-day digest, 日报, or reports for one or more dates, especially when activities must be reconstructed across heterogeneous sources without treating plans or agent suggestions as completed work.
Use when the user needs to design, run, or audit product or GTM analytics — metric hierarchies and north stars, funnels, cohort retention, churn, pipeline velocity, forecasting, lead scoring, NRR, A/B tests, or analytical SQL — or uploads a dataset to analyze. Triggers on questions like "why did activation drop", "is this metric meaningful", "review my dashboard", or "what should I measure". For writing the spec that defines a feature's success metrics, use product-spec.
Operate DealContext CRM through its HTTP API with the bundled dealcontext client. Use for deals, pipelines, stages, contacts, organizations, follow-up activities, messages, notes, web enquiries, outreach links, manual demo-contact synchronization, and audit history. Create or update records, record incoming or outgoing messages, schedule follow-ups, close deals, triage enquiries, and review the pipeline. Uses DEALCONTEXT_URL and DEALCONTEXT_AGENT_EMAIL, with Google login or an account password.
Evidence-before-action diagnosis of failing ML experiments. Probes the system before guessing causes, process list, dmesg, GPU stats, log scrollback, checkpoint state, then states a hypothesis as a hypothesis and runs a smoke before claiming a root cause. Use when the user asks why a run is failing, diverging, OOMing, hanging, slow, producing weird metrics, has crashed, or asks to debug, diagnose, troubleshoot, or investigate a training issue.
Lightweight ADR decision log that auto-captures plans. Use when planning a new feature, proposing architecture changes, tracking implementation decisions, exiting plan mode, or asking 'should I write a decision log'. Includes a Claude Code hook for automatic capture on ExitPlanMode.
Use when building ANY website, web app, landing page, or web-based UI - searches real template marketplaces for professionally designed layouts in the user's industry or niche, then extracts layout structure, color palettes, typography choices, and section sequences as the design blueprint instead of generating from assumptions
Analyze Dividend Aristocrats (25+ years of consecutive dividend increases) for income reliability and total return. Use when the user asks to evaluate dividend aristocrats, calculate dividend reinvestment returns, assess dividend sustainability, compare income stocks, build a dividend growth portfolio, analyze payout ratios and free cash flow coverage, or rank stocks by dividend reliability and long-term total return.
Design safe Django and PostgreSQL indexes from measured query plans, including B-tree, composite, covering, partial, expression, GIN/JSONB, BRIN, and concurrent migration patterns. Use when a Django query plan suggests missing or mismatched indexes, a production table needs an index without write downtime, or existing indexes need review.
Create EARS (Easy Approach to Requirements Syntax) formal requirements - Layer 3 of the SDD flow, translating PRD features into atomic, testable WHEN-THE-SHALL-WITHIN statements. Use after BRD and PRD exist. Single-document authoring primitive; for end-to-end or batch generation the autopilot (`doc-ears-autopilot`) drives this skill.
Render a documentation-style Cursor Canvas that organizes architecture notes, API references, walkthroughs, and how-tos into a navigable layout with sections, tables of contents, and cross-references. Use when the user asks for a docs canvas, documentation overview, architecture walkthrough, API reference page, or wants to render structured documentation as an interactive canvas.
Use this skill for intelligent document processing and content extraction using LandingAI's Agentic Document Extraction (ADE). Trigger when users need to (1) Parse documents (PDFs, images, spreadsheets, presentations) into structured Markdown with layout understanding, (2) Extract specific structured data from documents using schemas (invoice fields, form data, table data, etc.), (3) Classify and separate multi-document batches by type (invoices vs receipts, statements vs forms, etc.), (4) Process large documents asynchronously (up to 1GB/1000 pages), (5) Get visual grounding (bounding boxes, page numbers) for extracted content — use when users mention bounding boxes, word locations, grounding, highlighting extracted content, or showing where data appears in a document. Use this skill when the task involves understanding document content for a set of documents. In particular this skill can help you write code that run on sets of documents. This will increase speed, and reduce the cost of loading the documents on the Agent context window because you can use a single script to extract the information needed.
Use when working with the `dotenvx` env-var management tool — encrypting .env files, juggling multiple environments (.env.production / .env.staging / .env.ci), committing encrypted secrets to git with `.env.vault` / `.env.keys` / `.env.encrypted`, or wiring dotenvx into GitHub Actions. Trigger on `.env.vault` / `.env.keys` / `dotenvx` commands or symptoms (env-var leak risk, env per-stage management, encrypted secrets workflow) even if the user does not say "dotenvx" by name.
A specialized skill for .NET unit testing fundamentals and the FIRST principles. Use when you need to create unit tests, understand testing fundamentals, learn the 3A Pattern, or master testing best practices. Covers the FIRST principles, the AAA Pattern, Fact/Theory, the test pyramid, and more. Make sure to use this skill whenever the user mentions unit testing fundamentals, FIRST principles, AAA/3A pattern, or wants to learn how to write basic .NET tests, even if they don't explicitly ask for fundamentals guidance. Keywords: unit test, 單元測試, unit testing, test fundamentals, 測試基礎, FIRST principle, FIRST 原則, 3A pattern, AAA pattern, Arrange Act Assert, Fact, Theory, InlineData, 如何寫測試, testing best practices, 建立單元測試
Douyin comment analysis tool. Enter a post link to retrieve top-level comment data, with paginated browsing and comment sentiment analysis (positive/negative/needs/competitors), generating a polished HTML report. Use when the user needs to view Douyin post comments, analyze comment sentiment, or understand user feedback. Triggers: Douyin comments, post comments, comment lookup, comment analysis, comment sentiment, view comments.
Generate draw.io network diagrams — native .drawio files with CLI export (PNG/SVG/PDF), plus browser-based Mermaid/XML/CSV via MCP server. Use when creating network topology diagrams, generating architecture visuals, exporting diagrams to PNG or PDF, or building draw.io files from discovery data.
Expert knowledge for Drizzle ORM - the lightweight, type-safe SQL ORM for edge and serverlessUse when "drizzle, drizzle orm, drizzle-kit, drizzle schema, drizzle migration, drizzle relations, sql orm typescript, edge database, d1 database, orm, database, typescript, sql, edge, serverless, d1, postgres, mysql, sqlite" mentioned.
Generate DuckDB SQL queries. Use when user asks about DuckDB queries, data analysis, exploring .ddb database files, CSV files, Parquet files, wants help editing/improving SQL, asks to use the duckdb skill, references duckdb assets, or wants to initialize/setup duckdb analysis.
Configure email verification, implement password reset flows, set password policies, and customise hashing algorithms for Better Auth email/password authentication. Use when users need to set up login, sign-in, sign-up, credential authentication, or password security with Better Auth.
Deploy an Encore.ts or Encore.go app to Encore Cloud by pushing to the Encore git remote or a linked GitHub repository, deploy changes again, and fix deploys that fail or never start. Covers which environments a push deploys to and secrets per environment. For linking an app first, see `encore-link-app`.
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.