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Community plugin marketplace bundling hundreds of subagents, slash commands, hooks and skills by category, installable individually or all at once, with the buildwithclaude.com site for browsing community plugins and MCP servers.

Skills for solving CTF challenges across web, pwn, crypto, reverse engineering, forensics, OSINT and malware analysis, plus a script that installs common CTF tools in one go. Follows the Agent Skills spec and installs with npx skills.

Visualization skills for Obsidian that turn text into Excalidraw hand-drawn diagrams, Mermaid charts and Obsidian Canvas mind maps. Marked experimental by the author; the Excalidraw skill needs the matching Obsidian plugin.

Grafana's official MCP: search and edit dashboards, query Prometheus, Loki and other data sources, and view alerts, incidents and OnCall schedules to help with troubleshooting. Needs a Grafana URL and a service account token.

Converts PDFs to editable Word files, keeping paragraphs, tables, images and layout as closely as possible, and can extract tables alone, handy when a contract or exam only exists as PDF. Needs Python; digital PDFs only, OCR scans first. No longer actively maintained by Artifex.

Learns your domain and working style over a few rounds of conversation, then generates a personalized Markdown knowledge system (folders, note templates, processing pipelines, hooks and maps) so agents remember knowledge across sessions. First setup takes about 20 minutes and is token-heavy.

Works with Gmail, Calendar, Drive, Docs, Sheets, Slides, Tasks, Chat and other Google Workspace services, with multi-user OAuth and read-only mode. You create your own Google OAuth client and run it in HTTP mode.

Searches Google Flights for flights and the cheapest travel dates, filtering by route, date, cabin, stops, airline and alliance, good for trip planning. Open-source Python, no API key needed; built on reverse-engineered Google endpoints, so changes at Google may break it.

PostgreSQL MCP server with database health checks, index tuning, EXPLAIN plan analysis and hypothetical index simulation, plus safe read-only SQL execution in restricted mode.

AWS's generally available agent toolkit and plugin marketplace: plugins such as aws-core, aws-agents and aws-data-analytics bundle the AWS MCP Server with evaluated skills for IaC, serverless, containers and billing. Calling AWS APIs requires configured credentials.

AWS's official skills (Agent Toolkit for AWS) covering IAM, CDK/CloudFormation, serverless, containers, observability, cost management and Bedrock, plus service-specific skills. Running AWS operations requires locally configured credentials.

Kubernetes' official CLI for inspecting and managing Pods, Deployments, Services and other cluster resources, reading logs, executing commands in containers and applying YAML manifests. Requires a working kubeconfig for cluster access.

Cloudflare's official skills with build and deploy guidance for Workers, Wrangler, Durable Objects, the Agents SDK, Sandbox, Email Service and Cloudflare One; the plugin version also bundles the official MCP.

Teaches agents to build, debug and review stateful AI agents with the Cloudflare Agents SDK: state sync, scheduled tasks, RPC, MCP servers, email and streaming chat, checking the latest official docs first. Maintained by Cloudflare.

Cloudflare's official overview skill: recommends platform products such as Workers, R2, D1, Durable Objects, Containers and AI for your needs, then loads the matching sub-skills and docs. The same repo has dedicated skills for Wrangler, the Agents SDK and more.

Cloudflare's official plugin with skills for Workers, Durable Objects, the Agents SDK, Wrangler, Sandbox and web performance audits, plus the Cloudflare API MCP for account data and up-to-date docs.

Testing practices for Vue apps: Vitest and Vue Test Utils, black-box component tests, flushPromises for async code, helpers for testing composables, Pinia stores, async components and Teleport, avoiding snapshot-only tests, and Playwright for end-to-end testing.

Recognizes images or whole PDFs (including scans) with math formulas and tables into Markdown and LaTeX, strong on English and Chinese and supporting 80+ languages, handy for digitizing exams, lecture notes and study notes. An open-source Mathpix alternative that runs locally with Python.

Lets agents write and run Playwright scripts on the fly for browser automation: page tests, UX checks and multi-step flows, opening a visible browser by default and auto-detecting local dev servers. After installing the plugin, run npm run setup in the skill directory.

Lets agents write and run Playwright scripts on the fly for browser testing and automation, auto-detecting local dev servers, with screenshots, responsive checks, login flows and link checking. After installing, run npm run setup in the skill directory.

Search and download arXiv papers and read the authors' LaTeX source section by section, export BibTeX and follow topic updates, with papers cached locally. No API key needed.

Microsoft's official skill collection: 170+ skills focused on Azure SDKs (Python, .NET, TypeScript, Java, Rust) and Microsoft Foundry development, plus plugins, custom agents and MCP configs. Microsoft recommends picking skills per project rather than installing them all.

Standards-based command-line calendar that syncs iCloud and other CalDAV calendars via vdirsyncer, so agents can query your schedule and quickly add events; also has an interactive UI. Setting up vdirsyncer takes some technical effort; no Windows support.

Measurement-first audits and optimization of web quality using Lighthouse, Chrome DevTools performance traces and CrUX data, covering Core Web Vitals, WCAG 2.2 accessibility, SEO and best practices, for any frontend framework. By Addy Osmani (not an official Google project).