jackspace/claudeskillz
200 skills9.6k installs3.2k starsGitHub
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npx skills add https://github.com/jackspace/claudeskillzSkills in this repo
1Base Ui Reactbase-ui-react is a Claude Code skill for implementing accessible React user interfaces with MUI Base UI headless primitives. The skill encodes correct composition patterns, styling hook usage, and component API conventions so developers avoid common accessibility and state-management mistakes when building custom design systems. Reach for it when replacing ad-hoc div buttons with proper Dialog, Popover, Select, or Tabs primitives, or when migrating from styled component libraries to unstyled Base UI building blocks. It emphasizes WAI-ARIA patterns, keyboard navigation, and slot-based styling integration rather than copying pre-themed kits. Use during feature UI work, design-system refactors, or accessibility remediation where Base UI is the chosen primitive layer.238installs2Repository AnalyzerRepository-analyzer guides systematic codebase review: directory roles, build tooling, critical paths, missing tests, and likely refactor targets. Reach for it when joining a new repo, evaluating a fork, or scoping migration work where fast, evidence-based orientation beats ad-hoc file browsing.222installs3Rapid PrototyperEnables rapid prototyping workflows that produce demo-ready UIs and thin end-to-end slices in hours, not weeks. It prioritizes learning over architecture—mock data, simplified stacks, and focused flows—so teams validate desirability and feasibility before committing to full SaaS, mobile, or content product builds.217installs4Hugohugo from jackspace/claudeskillz instructs Claude on building Hugo static websites: configuring sites, authoring Go templates and partials, organizing content collections, wiring menus and shortcodes, and producing fast documentation or marketing frontends with standard Hugo conventions.166installs5Windows ExpertWindows-expert equips Claude to give correct Windows development and automation advice: shells, environment setup, file locking, services, and packaging differences from Unix. Use when scripts fail on Windows CI, users run agents locally on Win32, or docs must cover PowerShell equivalents.142installs6Network DiagnosticsGuides automated network troubleshooting for WSL and Linux across MTU, DNS, connectivity, and firewall checks. A developer uses it to diagnose and persist fixes for network problems.130installs7Cloudflare NextjsCovers deploying Next.js applications to Cloudflare using Workers, Pages, and OpenNext-style adapters. It addresses wrangler configuration, edge runtime limits, caching, environment variables, and domain setup so SaaS and content sites launch globally with fast cold starts and maintainable CI deploy pipelines.113installs8Firecrawl ScraperFirecrawl-scraper teaches Claude to use Firecrawl for reliable site extraction: single URLs, crawls, scraping rules, and clean text output for downstream search or LLM context. Use when building research agents, content mirrors, or competitive monitoring without maintaining custom headless browsers.113installs9Context Managercontext-manager from jackspace/claudeskillz helps Claude engineer reliable context for coding agents: selecting relevant files, compressing history, enforcing token budgets, and structuring prompts so multi-step implementation sessions stay coherent without losing critical repository state.107installs10Better Chatbot PatternsA skill offering reusable implementation patterns extracted from better-chatbot for custom AI chatbot builds. Developers use it to add server action validators, tool abstraction layers, and multi-provider integration to their own projects.87installs11Exploratory Data AnalysisDiscovers patterns, anomalies, and relationships in tabular data through statistical analysis and visualization. A developer uses it to explore data files, generate statistical summaries, check data quality, and produce charts.82installs12Ai Elements ChatbotProvides production-ready AI chat UI components built on shadcn/ui for conversational interfaces with streaming, tool-call displays, and citations. Developers use it when building ChatGPT-style chat frontends with Next.js and Vercel AI SDK v5.80installs13MarkitdownUses the MarkItDown utility to convert 20+ file formats into structured Markdown for LLM pipelines. A developer uses it to extract text from documents, OCR images, transcribe audio, or prepare files for RAG.77installs14Literature ReviewConducts systematic, multi-database literature reviews with citation verification and professional markdown/PDF output. A researcher uses it for reviews, meta-analyses, or writing a paper's literature section.76installs15Pubmed Databasepubmed-database is a Claude Code skill for databases. It helps solo builders move faster with AI-assisted coding.67installs16Timeout PreventionThis skill prevents request timeouts in Claude Code sessions through task decomposition, checkpoints, and background processes. Developers use it for bulk operations, large datasets, and tasks that exceed the 2-minute timeout.67installs17Content CollectionsA production-tested setup for Content Collections, a TypeScript-first tool that turns Markdown/MDX into type-safe data collections. A developer uses it when building blogs, docs sites, or content apps with Vite + React.66installs18Zustand State ManagementThis skill provides production-tested patterns for Zustand state management in React with TypeScript. A developer uses it to build scalable global state, add persist/devtools middleware, use the slices pattern, and avoid Next.js hydration mismatches.64installs19Docker HelperA helper for working with Docker containers, Docker Compose, and image optimization. A developer uses it to inspect and debug containers, tune Dockerfiles, and configure Compose networking and volumes.58installs20Project PlanningGenerates comprehensive, context-safe planning documentation structured into verifiable phases. A developer uses it when starting a project, adding major features, or restructuring work into manageable phases.58installs21Scientific Writingscientific-writing is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.58installs22Tailwind V4 ShadcnThis skill provides a production-tested setup for Tailwind CSS v4 with shadcn/ui, Vite, and React. Developers use it to initialize projects, implement dark mode, and debug CSS-variable and theme-switching issues.58installs23NextjsCovers Next.js 16 App Router patterns including Server Components, Server Actions, Cache Components, and breaking changes. A developer uses it when building or migrating Next.js apps on any hosting platform.57installs24Github AuthReads stored GitHub credentials from a project .env file for authenticated API and git operations. A developer uses it when GitHub tasks require secure token access.56installs25Statistical Analysisstatistical-analysis is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.56installs26Cloudflare Zero Trust AccessProvides knowledge for integrating Cloudflare Zero Trust Access authentication with Workers apps. A developer uses it for user and service-to-service auth, JWT validation, geographic restrictions, and multi-tenant access policies.55installs27React Hook Form ZodThis skill covers building type-safe validated forms in React with React Hook Form and Zod via zodResolver. Developers use it for form validation, multi-step forms, dynamic fields, and shadcn/ui Form integration.55installs28Error DebuggerA context-aware debugging skill that learns from past solutions. A developer uses it when an error occurs to get an immediate fix with code examples, plus a regression test and a saved solution.54installs29Openai ApiA complete guide to OpenAI's traditional APIs covering chat, embeddings, images, audio, and moderation. A developer uses it to integrate OpenAI features with function calling, structured outputs, and streaming.54installs30Project Session ManagementMaintains SESSION.md to track phase progress, git checkpoints, and next actions across context clears. A developer uses it to resume phased projects and manage context continuity between sessions.54installs31Scholar Evaluationscholar-evaluation is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.54installs32Skill CreatorThis skill guides creating effective new skills or updating existing ones. Developers use it to package specialized knowledge, workflows, or tool integrations into a SKILL.md.54installs33Peer ReviewA structured toolkit for evaluating scientific manuscripts and grant proposals across disciplines. A researcher uses it to assess methodology, statistics, reproducibility, and reporting compliance with constructive feedback.53installs34Multi Repository OrchestratorOrchestrates development workflows across multiple Git repositories as if they were one. A developer uses it for microservices, multi-package projects, or synchronized frontend/backend repos.52installs35Skills Collection ManagerThis toolkit manages large Claude Code skill collections through bulk downloading, organizing, and deduplication. Developers use it to maintain clean skill repositories with 100+ skills.52installs36Cloudflare R2A knowledge domain for Cloudflare R2, S3-compatible object storage on Cloudflare's edge. A developer uses it when storing files or assets, configuring CORS, doing multipart uploads, or generating presigned URLs.51installs37Session LauncherThis skill restores project context when a new conversation starts by searching files, memory indexes, and session state. Developers use it to see current project, recent decisions, and active blockers in a dashboard.51installs38Ui Stylingui-styling is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.51installs39Tanstack QueryThis skill covers TanStack Query v5 (React Query) server-state management in React. Developers use it for data fetching, mutations, caching strategies, optimistic updates, and v4-to-v5 migration.50installs40Cloudflare Email RoutingA skill for Cloudflare Email Routing covering Email Workers (receiving) and Send Email bindings (sending). Developers use it to process incoming email with custom logic and send email from Workers.49installs41Cloudflare Full Stack IntegrationA skill providing integration patterns for wiring React frontends to Cloudflare Worker backends with Hono, Clerk, and D1. Developers use it to fix CORS, 401s, auth-token passing, and auth-loading race conditions.49installs42Csv Data Summarizercsv-data-summarizer is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.49installs43Session Timeout HandlerThis skill makes Claude Code workflows resilient to tool timeouts with chunking, checkpoint patterns, and progress tracking. Developers use it to reliably complete long-running operations that exceed the 2-minute tool timeout.49installs44Test Driven Developmenttest-driven-development is a Claude Code skill for testing & qa. It helps solo builders move faster with AI-assisted coding.49installs45Cloudflare Full Stack ScaffoldA scaffolding skill providing a production-ready React + Cloudflare Workers + Hono starter with core services and opt-in advanced features. Developers use it to start new full-stack Cloudflare apps without hours of setup.48installs46Infrastructure Skill BuilderSystematically captures scattered infrastructure knowledge and converts it into structured, reusable Claude Code skills. A developer uses it to document setups, build runbooks, and preserve operational expertise.48installs47DevopsA guide for deploying and managing cloud infrastructure across Cloudflare, Docker, and Google Cloud Platform. A developer uses it for serverless edge deploys, containerization, CI/CD pipelines, and multi-region architectures.47installs48Media ProcessingUses FFmpeg and ImageMagick for media conversion, encoding, streaming, and image manipulation. A developer uses it to transcode video, process images in batch, extract audio, or build media pipelines.47installs49Sveltia CmsSveltia CMS is a lightweight Git-backed CMS and modern successor to Decap/Netlify CMS. Developers use it to add content management to static sites like Hugo, Astro, and Next.js with i18n and mobile editing.47installs50SympySymPy handles symbolic mathematics in Python for exact results rather than numerical approximations. Developers use it to solve equations, do calculus, manipulate expressions, and generate executable code from formulas.47installs51Yaml Config HelperThis skill checks YAML syntax and validates config files against common schemas. A developer uses it to fix indentation, quoting, and formatting errors in Docker Compose, Kubernetes, GitHub Actions, or Ansible files.47installs52Browser App CreatorA generator skill that builds production-ready single-file browser apps working offline with localStorage. Developers use it to quickly ship trackers, dashboards, timers, and other zero-setup tools.46installs53Claude Code Bash PatternsA skill covering effective use of the Bash tool in Claude Code, including hooks, command chaining, git workflows, and custom commands. Developers use it to orchestrate CLI tools, automate workflows, and configure security guards.46installs54Hono RoutingProvides patterns for building type-safe APIs with Hono, covering routing, middleware, validation, and RPC. A developer uses it when building Hono APIs on any runtime or debugging middleware and validation issues.46installs55Playwright Browser AutomationGeneral-purpose Playwright automation that auto-detects dev servers and writes custom test scripts to /tmp. A developer uses it to test websites, automate browser interactions, and validate web functionality.46installs56Scikit LearnThis skill provides reference documentation for machine learning with scikit-learn across supervised and unsupervised tasks. Developers use it for preprocessing, model evaluation, hyperparameter tuning, and building ML pipelines.46installs57StatsmodelsStatsmodels is a Python toolkit for statistical modeling and econometric analysis. Developers use it for OLS, GLM, time-series models, hypothesis tests, and diagnostics with AIC/BIC.46installs58Web Asset GeneratorThis skill generates web assets including favicons, app icons, and Open Graph social images from a logo or text. A developer uses it to produce browser icons, PWA icons, and social sharing images plus the HTML meta tags to embed them.46installs59Ai MultimodalA skill for processing and generating multimedia content with the Google Gemini API across audio, image, video, and document inputs. Developers use it to transcribe audio, analyze images and video, extract structured data from PDFs, and generate images.45installs60Auth JsA skill for production Auth.js v5 setup across Next.js and Cloudflare Workers, covering OAuth, credentials, magic links, session strategies, and RBAC. Developers use it to add authentication and resolve common Auth.js errors.45installs61Better AuthA skill for Better Auth, a self-hosted TypeScript auth framework with first-class Cloudflare D1 support. Developers use it as a Clerk/Auth.js alternative for social login, 2FA, passkeys, and multi-tenant RBAC.45installs62Claude Agent SdkA skill for the Anthropic Claude Agent SDK covering query(), subagent orchestration, custom tools, MCP servers, and permission modes. Developers use it to build production agentic systems on Claude Code's capabilities.45installs63Cloudflare Cron TriggersA skill for Cloudflare Cron Triggers, scheduling Workers to run on cron expressions for periodic tasks. Developers use it to add scheduled handlers, combine crons with Workflows, and enable Green Compute.45installs64NetworkxA Python toolkit for building and analyzing complex networks and graphs with standard algorithms. A developer uses it for social, biological, citation, or knowledge-graph analysis and visualization.45installs65Scientific Visualizationscientific-visualization is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.45installs66Skill HarvesterThis meta-skill identifies harvestable skills from past work sessions using git history and code patterns. Developers use it to auto-generate skill definitions with best practices, examples, and templates.45installs67Ai Sdk CoreA backend skill for the Vercel AI SDK v5 covering generateText, streamText, generateObject, tool calling, and agents with multi-provider support. Developers use it to build server-side AI features and debug common AI SDK errors.44installs68Backend Dev Guidelinesbackend-dev-guidelines is a Claude Code skill for backend & apis. It helps solo builders move faster with AI-assisted coding.44installs69BrainstormingA skill that refines rough ideas into complete designs through collaborative questioning and incremental validation. Developers use it before writing code or implementation plans to clarify purpose, constraints, and approach.44installs70Checkpoint Workflow BuilderA skill for designing fault-tolerant workflows that save progress at checkpoints and resume from the last successful state. Developers use it for long-running pipelines and migrations that must survive failures.44installs71Chrome DevtoolsA skill providing executable Puppeteer scripts for browser automation, debugging, and performance analysis. Developers use it to take screenshots, monitor network traffic, scrape pages, and automate forms.44installs72Json Config HelperProvides jq-based recipes to validate, format, and extract values from JSON config files. A developer uses it when working with package.json, .mcp.json, or other JSON configuration.44installs73Ai Sdk UiA frontend skill providing Vercel AI SDK v5 React hooks (useChat, useCompletion, useObject) for AI chat interfaces and streaming UIs. Developers use it to build interactive AI apps in React and Next.js and fix streaming/parse errors.43installs74Cloudflare Browser RenderingA skill for Cloudflare Browser Rendering, running headless Chrome on Workers via Puppeteer and Playwright. Developers use it for screenshots, PDF generation, web scraping, and browser automation on the edge.43installs75Cloudflare Workers AiA knowledge domain for Cloudflare Workers AI, which runs AI models on serverless GPUs across Cloudflare's network. A developer uses it for on-Worker LLM inference, image generation, embeddings, and AI streaming.43installs76Cloudflare TurnstileProvides knowledge for implementing Cloudflare Turnstile, a CAPTCHA-alternative bot protection system. A developer uses it when protecting forms, login flows, or API endpoints from bots, or migrating from reCAPTCHA/hCaptcha.42installs77Drizzle Orm D1Provides patterns for the Drizzle type-safe ORM on Cloudflare D1 databases. A developer uses it for schema definition, type-safe queries, relations, migrations, and D1 batch transactions in Workers.42installs78Openai AgentsCovers the OpenAI Agents SDK for JS/TS including multi-agent handoffs, tools, guardrails, and voice agents. A developer uses it to build and debug agentic applications and prevent common SDK errors.42installs79Pict Test DesignerUses PICT pairwise combinatorial testing to generate efficient test suites from requirements or code. A developer uses it to get broad coverage with minimal test cases for features, forms, or API endpoints.42installs80Scientific Critical ThinkingThis skill critically evaluates scientific claims by assessing methodology, statistical validity, and biases. Developers use it to judge evidence quality using frameworks like GRADE and Cochrane ROB.42installs81Claude Git BranchingA skill providing Git workflows tuned for Claude Code sessions, including branch naming, push retry logic, and automated PRs. Developers use it to manage branches and PRs across AI-assisted development sessions.41installs82Cloudflare AgentsA skill for the Cloudflare Agents SDK to build stateful, AI-powered autonomous agents on Workers and Durable Objects. Developers use it for chat agents, scheduled tasks, RAG systems, and MCP servers.41installs83Cloudflare Durable ObjectsA skill for Cloudflare Durable Objects, globally unique stateful objects for coordination and real-time state. Developers use it for WebSocket servers, multiplayer, rate limiting, and scheduled alarms.41installs84Cloudflare HyperdriveA skill for Cloudflare Hyperdrive, which accelerates Worker connections to existing PostgreSQL and MySQL databases with pooling and caching. Developers use it to connect Workers to RDS/Aurora/Neon/Supabase with node-postgres, postgres.js, mysql2, Drizzle, or Prisma.41installs85Cloudflare SandboxProvides knowledge for the Cloudflare Sandboxes SDK, which runs isolated code in full Linux containers at the edge. A developer uses it when building AI code interpreters, running Python/Node scripts safely, or creating ephemeral dev environments.41installs86Elevenlabs AgentsCovers the ElevenLabs Agents Platform for building conversational AI voice agents. A developer uses it for agent configuration, voice features, RAG knowledge bases, tools, SDK integration, and WebRTC/WebSocket connections.41installs87Git Workflow HelperProvides expert guidance for Git workflows, troubleshooting, and best practices. A developer uses it when unsure how to structure branches, resolve issues, or follow Git conventions.41installs88Google Gemini ApiA complete guide to the Google Gemini API using the correct current @google/genai SDK. A developer uses it when integrating Gemini models into JavaScript/TypeScript applications.41installs89Paper 2 WebTransforms research papers into promotional web, video, and poster formats via an autonomous pipeline. A researcher uses it to disseminate findings, prepare conference materials, or enhance preprints.41installs90PydicomA pure-Python library for reading, writing, and manipulating DICOM medical imaging files. A developer uses it to extract pixel data, edit metadata, anonymize scans, or process CT/MRI/X-ray datasets.41installs91Root Cause TracingThis skill systematically traces bugs backward through the call stack to locate their original source. Developers use it when errors surface deep in execution and need to find the true trigger of invalid data or behavior.41installs92Thesys Generative UiThis skill integrates the TheSys C1 Generative UI API into React apps that stream interactive components instead of plain text. Developers use it for conversational UIs, AI assistants, and dynamic forms across Vite, Next.js, and Cloudflare Workers.41installs93TooluniverseToolUniverse provides access to 600+ scientific tools, datasets, and APIs for LLM research workflows. Developers use it for tool discovery and composing multi-step pipelines across genomics, cheminformatics, and drug discovery.41installs94Vercel BlobThis skill covers integrating Vercel Blob object storage into Next.js serverless and edge functions. A developer uses it for file uploads, user-generated media, presigned client uploads, and file management features.41installs95Youtube DownloaderThis skill uses yt-dlp to download video and audio from YouTube and 1000+ other sites. A developer uses it to grab videos in any quality, extract audio as MP3/M4A/FLAC, pull subtitles, and batch-process URLs.41installs96AeonA skill for the aeon Python toolkit covering time series classification, regression, clustering, forecasting, anomaly detection, and similarity search. Developers use it when analyzing temporal or sequential data with specialized algorithms.40installs97Better ChatbotA skill capturing the better-chatbot project's architecture, coding conventions, and contribution patterns. Developers use it when contributing to or working inside the better-chatbot repository.40installs98BioservicesA skill for the BioServices Python package, a unified API to about 40 bioinformatics web services and databases. Developers use it for cross-database queries, identifier mapping, and multi-database bioinformatics workflows.40installs99Cloudflare D1A skill for Cloudflare D1, a serverless SQLite database on the edge. Developers use it to create databases, write migrations, configure bindings, and query D1 from Workers.40installs100Cloudflare KvA skill for Cloudflare Workers KV, global low-latency key-value storage on the edge. Developers use it to store config, cache API responses, and manage user preferences with TTL and metadata.40installs101Code Reviewcode-review is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.40installs102ShapSHAP computes Shapley-value explanations for machine-learning model predictions and feature importance. Developers use it for explainable AI, model debugging, and bias or fairness analysis across model types.40installs103Testing BuilderThis skill generates comprehensive unit, integration, and E2E test suites based on code and prior patterns. Developers use it to add coverage or create regression tests after fixing bugs.40installs104Auto AnimateA setup skill for AutoAnimate, a drop-in library that animates DOM elements when they are added, removed, or moved. Developers use it to add lightweight, accessible animations without writing animation code.39installs105Browser DaemonA skill that runs a persistent browser daemon keeping Chrome open and accepting commands via file-based IPC. Developers use it to repeatedly interact with a browser for interactive debugging and testing without relaunching it.39installs106Cloudflare ImagesA skill for Cloudflare Images covering the storage/upload API and on-the-fly Image Transformations. Developers use it to store user uploads, create variants, sign private URLs, and optimize image delivery.39installs107Cloudflare QueuesA knowledge domain for Cloudflare Queues, the message queue for asynchronous processing on Workers. A developer uses it when building background jobs, batch processing, retry logic, or dead letter queues.39installs108Cloudflare Worker BaseA production-tested base setup for Cloudflare Workers using Hono, Vite, and Static Assets. A developer uses it when starting a new Workers project or configuring routing, static assets, and Wrangler deploys.39installs109Github Project AutomationAutomates GitHub repo setup with workflow, issue, and security templates while preventing common YAML and configuration errors. A developer uses it when creating projects or configuring CI/CD and security scanning.39installs110Hypothesis GenerationFormulates testable hypotheses from observations and proposes experiments, predictions, and mechanisms. A researcher uses it for structured scientific inquiry across domains.39installs111MatplotlibGuidance on Matplotlib's pyplot and object-oriented APIs for scientific and statistical visualization. A developer uses it to create, customize, and export charts and multi-panel figures.39installs112Multi Ai ConsultantLets a Claude Code session consult other AIs through existing CLI tools and synthesizes their perspectives. A developer uses it when debugging has failed or a critical architectural decision needs a second opinion.39installs113PymooPymoo is a Python framework for multi-objective optimization with algorithms like NSGA-II, NSGA-III, and MOEA/D. Developers use it for engineering design and optimization problems needing Pareto fronts and constraint handling.39installs114ReportlabReportLab is a Python toolkit for generating PDF documents with the Canvas and Platypus APIs. Developers use it to automate invoices, reports, certificates, charts, tables, and barcodes.39installs115Subagent Driven DevelopmentThis skill executes implementation plans with independent tasks by dispatching a fresh subagent for each. Developers use it for fast iteration with code-review quality gates between tasks.39installs116Terraform Iac HelperThis skill is an expert helper for Terraform and infrastructure-as-code best practices. Developers use it while authoring and reviewing infrastructure configurations.39installs117Using SuperpowersThis meta skill establishes baseline workflows for how an agent should discover and use skills across a conversation. A developer uses it to enforce skill-first behavior, brainstorming-before-coding, and TodoWrite checklists.39installs118Wordpress Plugin CoreThis skill covers WordPress plugin development including core patterns, security, database interactions, and the Settings API. A developer uses it to build plugins, register custom post types, add REST/AJAX endpoints, and prevent SQL injection, XSS, and CSRF.39installs119Claude ApiA skill for the Anthropic Messages API covering streaming, prompt caching, tool use, vision, and extended thinking. Developers use it to integrate Claude models into applications and manage rate limits.38installs120Cloudflare VectorizeA knowledge domain for Cloudflare Vectorize, a distributed vector database for semantic search and RAG. A developer uses it when storing embeddings, querying nearest neighbors, or building retrieval-augmented AI apps.38installs121D3 VizProvides guidance for creating custom, interactive data visualizations with d3.js. A developer uses it for bespoke charts, force-directed graphs, geographic projections, and complex SVG interactions beyond standard charting libraries.38installs122FastmcpFastMCP is a Python framework for building Model Context Protocol servers that expose tools, resources, and prompts to LLMs. A developer uses it to create MCP servers with storage backends, middleware, composition, and OAuth.38installs123Fda DatabaseProvides Python access to openFDA, the FDA's open data APIs for drugs, devices, foods, and substances. A developer uses it for adverse-event queries, recall monitoring, labeling/approvals, and regulatory data analysis.38installs124RdkitRDKit is a cheminformatics toolkit for fine-grained molecular control over parsing, descriptors, fingerprints, and reactions. Developers use it for advanced molecular workflows needing custom sanitization and specialized algorithms.38installs125Sequential Thinkingsequential-thinking is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.38installs126TinacmsTinaCMS is a Git-backed CMS with visual editing for content-heavy sites. Developers use it for blogs, docs, and marketing sites across Next.js, Vite, and Astro, with self-hosting options.38installs127TorchdrugTorchDrug is a PyTorch machine-learning toolbox for drug discovery that applies GNNs and pre-trained models to molecules, proteins, and biomedical knowledge graphs. A developer uses it to predict molecular properties, generate molecules, plan retrosynthesis, or reason over biomedical graphs with 40+ curated datasets.38installs128TransformersThis skill covers the Hugging Face Transformers library for loading pre-trained models, running inference via pipelines, and fine-tuning with the Trainer API. A developer uses it for text generation, classification, QA, translation, image classification, speech recognition, and model fine-tuning.38installs129Web FrameworksThis skill combines Next.js, Turborepo, and RemixIcon for building modern full-stack web applications. A developer uses it for App Router/SSR/SSG apps, monorepo task pipelines and caching, and adding a 3100+ icon library.38installs130Bash Script HelperA helper skill with bash scripting conventions for writing and debugging shell scripts safely. Developers use it to follow strict-mode, quoting, error-handling, and input-validation best practices.37installs131Clerk AuthA skill for integrating Clerk auth across React, Next.js, and Cloudflare Workers, covering middleware, custom JWT templates, session claims, and testing. Developers use it to add user authentication and resolve common Clerk errors.37installs132Clinpgx DatabaseA skill for accessing ClinPGx pharmacogenomics data, the successor to PharmGKB, consolidating CPIC and PharmCAT resources. Developers use it to query gene-drug pairs, clinical guidelines, and allele functions for precision medicine.37installs133DatabasesA unified guide for working with MongoDB and PostgreSQL databases. A developer uses it when designing schemas, writing queries or aggregations, optimizing indexes, running migrations, or administering production databases.37installs134Dnanexus IntegrationCovers the DNAnexus cloud genomics platform for building apps/applets, managing data, and running workflows via the dxpy SDK. A developer uses it to develop and execute genomics pipelines on the platform.37installs135Docs SeekerDiscovers and analyzes technical documentation through llms.txt, Repomix repo analysis, and parallel exploration. A developer uses it to fetch the latest library/framework docs or analyze a GitHub repository.37installs136Drugbank DatabaseProvides programmatic access to the DrugBank database of drugs and drug targets. A developer or researcher uses it for drug-interaction analysis, target identification, chemical similarity, and ADMET-related work.37installs137Frontend Dev Guidelinesfrontend-dev-guidelines is a Claude Code skill for frontend development. It helps solo builders move faster with AI-assisted coding.37installs138Neon Vercel PostgresComprehensive guidance for integrating Neon and Vercel serverless Postgres into edge and serverless apps. A developer uses it to configure connection pooling, database branching, and ORMs, or debug serverless connection errors.37installs139Open Source ContributionsGuides professional open-source contributions covering PR creation, project conventions, and artifact cleanup. A developer uses it when submitting pull requests to public repositories they don't own.37installs140RepomixRepomix packs codebases into single AI-friendly files in XML, Markdown, or plain text. Developers use it to prepare repository context for LLM analysis, security audits, or documentation.37installs141SeabornSeaborn is a Python library for statistical data visualization. Developers use it for exploratory analysis and publication figures like heatmaps, distributions, and faceted plots.37installs142Testing Skills With SubagentsThis skill pressure-tests skills before deployment by running baselines with and without the skill via subagents. Developers use it to close loopholes and ensure documentation resists rationalization.37installs143Typescript McpThis skill provides production-tested patterns for building MCP servers in TypeScript on Cloudflare Workers with the official @modelcontextprotocol/sdk. A developer uses it to expose APIs or Cloudflare services (D1, KV, R2, Vectorize) as MCP tools with API-key, Zero Trust, or OAuth auth.37installs144Uspto DatabaseThis skill accesses USPTO APIs for patent and trademark data including PEDS examination history, assignments, and citations. A developer uses it for IP analysis and prior-art searches.37installs145Vercel KvThis skill covers integrating Vercel KV, a Redis-compatible key-value store, into Next.js edge and serverless functions. A developer uses it for caching, session management, rate limiting, and temporary data with TTL.37installs146AstropyA skill for the Astropy Python library covering celestial coordinates, physical units, FITS files, cosmology, time systems, tables, and WCS transformations. Developers use it for astronomical data analysis and calculations.36installs147BiomniA skill for Biomni, Stanford's autonomous biomedical AI agent that decomposes and executes complex research tasks with code execution and integrated databases. Developers use it for multi-step genomics, drug discovery, and clinical analysis work.36installs148Biorxiv DatabaseA Python skill for searching and retrieving preprints from the bioRxiv database with structured JSON metadata and PDF downloads. Developers use it for life-sciences literature reviews and tracking research trends.36installs149Cloudflare Mcp ServerProvides production-tested templates and error-prevention patterns for building Model Context Protocol servers on Cloudflare Workers. A developer uses it when deploying remote MCP servers with TypeScript, OAuth (GitHub/Google/Azure), Durable Objects, and WebSocket hibernation.36installs150Cloudflare WorkflowsA knowledge domain for Cloudflare Workflows, a durable execution framework for multi-step Worker applications. A developer uses it when building long-running, event-driven, or retrying processes that coordinate across APIs.36installs151Condition Based WaitingFixes flaky tests by replacing arbitrary delays with polling for the actual condition under test. A developer uses it when tests have race conditions or timing dependencies that pass locally but fail in CI.36installs152DaskCovers Dask, a Python library for parallel and distributed computing. A developer uses it to process larger-than-RAM datasets, parallelize pandas/NumPy, or distribute workloads across cores and machines.36installs153DenarioDenario is a multiagent AI system built on AG2 and LangGraph that automates scientific research workflows. A developer or researcher uses it to generate hypotheses, run computational experiments, and produce publication-ready manuscripts.36installs154Dispatching Parallel Agentsdispatching-parallel-agents is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.36installs155Google Gemini EmbeddingsCovers the Google Gemini embeddings API for RAG, semantic search, and clustering, including 8 task types and dimension optimization. A developer uses it when building vector search or retrieval-augmented generation with Gemini embeddings.36installs156MatchmsAn open-source Python library for importing, filtering, and comparing mass spectrometry spectra with similarity scoring. A developer uses it to build reproducible metabolomics and MS data-processing workflows.36installs157PyhealthPyHealth is a Python toolkit for healthcare AI covering datasets, clinical prediction tasks, medical coding, and deep-learning models. Developers use it to build and evaluate clinical ML models on EHR, signal, and coding data.36installs158PymatgenPymatgen is a Python materials-science toolkit for crystal structures, phase diagrams, band structure, and DOS. Developers use it for computational materials analysis and format conversion with Materials Project integration.36installs159Pymc Bayesian ModelingThis skill covers probabilistic programming with PyMC, including hierarchical models, MCMC (NUTS), and variational inference. Developers use it for Bayesian inference, model comparison (LOO/WAIC), and posterior checks.36installs160PyopenmsPyOpenMS is a Python interface to OpenMS for mass spectrometry data analysis. Developers use it for LC-MS/MS proteomics and metabolomics workflows spanning signal processing, feature detection, and quantification.36installs161ScanpyScanpy is a Python toolkit for single-cell RNA-seq analysis from loading through clustering and annotation. Developers use it for QC, dimensionality reduction, clustering, and cell-type annotation of scRNA-seq data.36installs162ShopifyThis skill covers building Shopify apps, checkout and admin extensions, and themes with Shopify's APIs and CLI. Developers use it for OAuth apps, Polaris UI, Liquid themes, webhooks, and store data management.36installs163Stable Baselines3This skill covers reinforcement learning with Stable-Baselines3, including training agents and custom environments. Developers use it for RL algorithm implementation, callbacks, and vectorized parallel training.36installs164Using Git WorktreesThis skill sets up isolated git worktrees so feature work stays separate from the current workspace. A developer uses it before starting feature work or executing an implementation plan that needs an isolated checkout.36installs165Zarr PythonZarr is a Python library for storing large N-dimensional arrays with chunking and compression for cloud-native workflows. A developer uses it for efficient parallel I/O and integration with NumPy, Dask, and Xarray on large scientific datasets.36installs166Api Integration BuilderA generator skill that scaffolds complete TypeScript API clients with auth (OAuth, API keys), retries, rate limiting, and error handling. Developers use it when integrating a third-party API without hand-writing boilerplate.35installs167Cellxgene CensusA skill for querying the CZ CELLxGENE Census, a versioned collection of 61M+ standardized single-cell genomics records. Developers use it for population-scale single-cell analysis and ML on expression data.35installs168CodexExecutes the OpenAI Codex CLI for code analysis, refactoring, and automated editing. A developer uses it when delegating code review or transformation tasks to Codex, including HPC/Slurm environments.35installs169Cosmic DatabaseProvides programmatic access to COSMIC, a database of somatic mutations in human cancer. A developer or researcher uses it to download mutation data, curated gene lists, and mutational signatures for cancer genomics work.35installs170DatamolDatamol is a lightweight Pythonic abstraction over RDKit for molecular cheminformatics. A developer uses it for standard drug-discovery tasks like SMILES parsing, standardization, descriptors, fingerprints, and clustering.35installs171DiffdockDiffDock is a diffusion-based deep learning tool that predicts protein-ligand binding poses for structure-based drug design. A developer uses it to dock ligands to proteins and score pose confidence, not to predict binding affinity.35installs172Error TrackingEnforces Sentry v8 error tracking and performance monitoring across services. A developer uses it when adding error handling, creating controllers, instrumenting cron jobs, or tracking database performance.35installs173EtetoolkitETE (Environment for Tree Exploration) is a toolkit for phylogenetic and hierarchical tree analysis. A developer or researcher uses it for tree I/O, topology modification, orthology/paralogy detection, and phylogenomic visualization.35installs174Executing PlansA workflow for executing a complete implementation plan in controlled batches with review checkpoints. A developer uses it when a partner provides a written plan to implement with architect review between batches.35installs175FlowioFlowIO is a lightweight Python library for reading and writing FCS (Flow Cytometry Standard) files. A developer uses it to parse FCS metadata, extract event data as NumPy arrays, and pre-process cytometry data in pipelines.35installs176Geo DatabaseProvides programmatic access to NCBI GEO via GEOparse, E-utilities, and FTP for microarray and RNA-seq data. A developer uses it to search, download, and analyze gene expression datasets in transcriptomics workflows.35installs177Metabolomics Workbench DatabaseProvides programmatic access to the NIH Metabolomics Workbench REST API across 4,200+ studies. A researcher uses it to query metabolite structures, standardize nomenclature, and retrieve study data for biomarker discovery.35installs178MolfeatA Python library unifying 100+ molecular featurizers and pretrained embeddings with scikit-learn compatible transformers. A developer uses it for QSAR modeling, virtual screening, and molecular machine learning.35installs179Openai AssistantsCovers the OpenAI Assistants API v2 for stateful conversational AI with built-in tools and vector-store RAG. A developer uses it to maintain legacy Assistants apps or plan migration to the Responses API.35installs180Openai ResponsesCovers OpenAI's unified stateful Responses API for building agentic applications with preserved reasoning and hosted tools. A developer uses it for conversational AI with memory, RAG, or migrating from Chat Completions.35installs181Pdb DatabaseProvides access to RCSB PDB for searching and retrieving 3D macromolecular structures across 200,000+ entries. A researcher uses it for structural biology, protein engineering, and drug-discovery workflows.35installs182Pubchem DatabaseProvides access to PubChem's 110M+ compounds for structure search, property retrieval, and bioactivity data. A developer uses it for cheminformatics tasks like similarity searching and drug-likeness screening.35installs183Route TesterThis skill tests authenticated routes using cookie-based authentication and mock auth. Developers use it to validate API endpoints and debug authentication issues.35installs184Scvi ToolsScvi-tools provides probabilistic models for single-cell omics data including scRNA-seq, scATAC-seq, CITE-seq, and spatial. Developers use it for batch correction, dimensionality reduction, differential expression, and multimodal integration.35installs185SimpySimPy is a process-based discrete-event simulation framework in Python. Developers use it to simulate manufacturing, service operations, logistics, and other systems where entities compete for shared resources over time.35installs186Template Skilltemplate-skill is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.35installs187Uniprot DatabaseThis skill provides direct REST API access to UniProt for protein data retrieval and ID mapping. A developer uses it for direct HTTP/REST work against UniProt or UniProt-specific control outside a unified bioservices interface.35installs188Writing PlansThis skill produces comprehensive implementation plans that assume the engineer has zero codebase context. A developer uses it after design is complete to break work into 2-5 minute TDD-oriented tasks with file paths and test steps.35installs189Zinc DatabaseThis skill accesses ZINC, a repository of 230M+ purchasable compounds, via the CartBlanche22 API. A developer uses it for virtual screening, similarity/analog searches, and retrieving 3D-ready structures for molecular docking.35installs190Defense In DepthA validation strategy that adds checks at every layer data passes through rather than a single point. A developer uses it after fixing a data-caused bug to make that class of bug structurally impossible.34installs191Fluxwing Screenshot ImporterUses vision agents to analyze a UI screenshot's layout, components, and visual properties, then generates uxscii component and screen files. A developer uses it to convert existing designs or mockups into uxscii components.34installs192MedchemA Python library that applies medicinal-chemistry rules, structural alerts, and complexity metrics to filter molecules. A developer uses it to triage and prioritize compounds in drug-discovery workflows.34installs193Sharing SkillsThis skill guides contributing a locally developed skill back upstream via pull request. Developers use it when a skill is broadly useful and should be shared with the source repository.34installs194Fluxwing Component CreatorCreates uxscii UI components using the uxscii standard by orchestrating a designer agent. A developer or designer uses it to build .uxm components like buttons, forms, cards, and navigation with ASCII art and metadata.33installs195Fluxwing Component ExpanderExpands existing uxscii components by adding interaction states. A developer or designer uses it to enhance .uxm components with hover, focus, disabled, active, and error states.33installs196Fluxwing Component ViewerA read-only viewer for inspecting a single uxscii .uxm component. A developer or designer uses it to see a component's metadata, states, props, and ASCII preview from templates or the project workspace.33installs197Fluxwing Library BrowserA read-only browser that lists all available uxscii components and screens. A developer or designer uses it to see, list, or search bundled templates, user components, and screens in one place.33installs198Fluxwing Screen ScaffolderOrchestrates parallel designer and composer agents to build complete screen designs from uxscii components with configurable fidelity presets. A developer uses it to rapidly scaffold .uxm screens like login, dashboard, or checkout pages.33installs199Torch GeometricPyTorch Geometric (PyG) is a PyTorch library for developing and training Graph Neural Networks on graphs and irregular structures. A developer uses it for node/graph classification, link prediction, heterogeneous graphs, and large-scale graph learning with neighbor sampling.33installs200Tdd ReferenceThis lightweight reference provides targeted TDD guidance on demand without loading full docs into context. Developers use it for phase-specific help across RED-GREEN-REFACTOR, refactoring decisions, and test quality.27installs