Explore MCP Servers & Agent Skills

io.github.opensquilla/opensquilla/pdf-toolkit

Structured `.pdf` operations: extract text/tables, merge pages from multiple PDFs, split a PDF by page ranges, fill PDF form fields, and generate fresh PDFs from JSON. Trigger when the user wants programmatic PDF work without natural-language rewriting — examples: pull tables from a report, combine three PDFs, extract pages 5-12, fill a tax form, or build a new PDF from data. Distinct from `nano-pdf`, which uses an LLM to rewrite a page from a sentence; this skill is deterministic byte-level work via pypdf, pdfplumber, and reportlab.

io.github.citypaul/.dotfiles/testing

Testing patterns for behavior-driven tests. Use when writing tests, creating test factories, structuring test files, or deciding what to test. Do NOT use for UI-specific testing (see front-end-testing or react-testing skills).

io.github.openai/plugins/writing-skills

Use when creating new skills, editing existing skills, or verifying skills work before deployment

io.github.openai/plugins/writing-plans

Use when you have a spec or requirements for a multi-step task, before touching code

io.github.ReadyToGo-Education/fluxo_criativo/css-effects

Aplica efeitos visuais CSS e JavaScript em qualquer elemento de site — texto, cards, botões, formulários, navegação, modais, imagens, loaders, scroll, cursor, fundos, e microinterações. Use SEMPRE que o usuário pedir para "adicionar efeito", "deixar mais bonito", "animar", "modernizar", "tornar interativo", "estilizar", "deixar profissional", ou enviar print/screenshot/descrição de um elemento (botão, card, título, seção, navbar, hero, formulário, menu, modal) pedindo melhorias visuais. Também ativa em pedidos como "que efeito posso usar aqui", "sugere algo legal pra essa parte", "como deixar esse site mais interessante", "essa seção tá sem graça", "como faz aquele efeito do site X", ou qualquer pergunta sobre o que cada efeito CSS faz e como funciona. Use mesmo se o usuário não citar "CSS" explicitamente — qualquer pedido de melhoria visual em UI web aciona esta skill. Também ativa quando o usuário diz que está construindo um site, landing page, portfolio, dashboard, e quer torná-lo memorável ou competitivo.

io.github.openai/plugins/frontend-app-builder

Use for new frontend applications, dashboards, games, creative websites, hero sections, and visually driven UI from scratch, or when the user explicitly asks for a redesign/restyle/modernization. Builds from clean, airy, high-taste, readable image-generated concept design with section-specific references, faithful implementation, and browser testing.

io.github.notque/vexjoy-agent/typescript-check

TypeScript type checking via tsc --noEmit with actionable error output.

io.github.activepieces/activepieces/design

Design system for Activepieces (open-source AI automation platform, "open source replacement for Zapier"). Use whenever designing, mocking, or building UI for Activepieces — the web app (flow builder, runs, connections, dashboard), docs, or marketing surfaces. Provides brand purple `#8142E3`, Inter type ramp with `sm` (14px) as body default, Tailwind neutrals, Lucide icons, Shadcn/Radix primitive conventions, the signature dotted-canvas builder background, and a recreated web UI kit.

io.github.softspark/ai-toolkit/refactor-plan

Creates detailed refactor plan with tiny commits via interview, files as GitHub RFC. Triggers: refactor plan, refactoring RFC, incremental refactor, safe steps.

io.github.TheSoftwareHouse/copilot-collections/tsh-implementing-backend

Backend service implementation patterns, standards, and procedures. Use for building REST/GraphQL APIs, implementing CRUD endpoints, database handling, authentication, testing strategies, external service integrations, filtering/pagination (DataGrid), logging, Docker setup, and modular architecture. Applies to Node.js, PHP, .NET, Java, and Go backends.

io.github.TheSoftwareHouse/copilot-collections/tsh-implementing-kubernetes

Kubernetes deployment patterns, Helm charts, and cluster management. Use when deploying applications to K8s, designing workload configurations, implementing scaling strategies, or managing cluster resources.

io.github.micronaut-projects/micronaut-core/agent-md-refactor

Refactor oversized agent instruction files into a progressive-disclosure structure. Use when users ask to split AGENTS.md/CLAUDE.md/COPILOT.md, reduce instruction bloat, or organize guidance into linked topic files.

io.github.softspark/ai-toolkit/refactor

Refactors code for quality and maintainability. Triggers: refactor, clean up, restructure, improve code, modernize.

io.github.SnailSploit/Claude-Red/offensive-sqli

SQL injection testing skill for offensive security assessments and bug bounty hunting. Covers error-based, UNION-based, boolean/time-based blind, out-of-band, second-order, NoSQL, GraphQL, WebSocket, and JSON-operator SQLi. Includes WAF bypass techniques, database-specific exploitation (MySQL, MSSQL, PostgreSQL, Oracle), cloud-native attack paths, ORM CVE tracking, and SQLmap automation. Use when performing web application SQL injection testing, database enumeration, privilege escalation via SQLi, or assessing injection vectors in APIs and modern stacks.

io.github.SnailSploit/Claude-Red/offensive-mobile

Mobile (Android + iOS) application penetration testing methodology. Covers static analysis (apktool/jadx for Android, class-dump/Hopper/IDA for iOS), dynamic instrumentation with Frida and Objection, SSL pinning bypass strategies, root/jailbreak detection bypass, deep-link / URL-scheme abuse, exported component attacks (Android activities, services, providers, receivers; iOS XPC, URL schemes, universal links), insecure data storage (SharedPrefs, KeyStore misuse, NSUserDefaults, Keychain ACL bypass), IPC / Intent redirection, WebView vulnerabilities (JavaScriptInterface, file:// access), Firebase/AWS/Azure misconfiguration leakage, mobile API testing, biometric/Face ID/Touch ID bypass, app-cloning and runtime patching, and mobile malware/RAT analysis primitives. Use for mobile pentest, bug bounty mobile triage, or app-store reconnaissance.

io.github.xstongxue/best-skills/frontend-design

创建具有高设计品质、可交付生产的前端界面。当用户要求构建 Web 组件、页面、海报或应用（如官网、落地页、仪表盘、React/Vue 组件、HTML/CSS 布局，或对任意 Web UI 进行样式/美化）时使用本技能。产出有创意、打磨到位且避免「AI 通用审美」的代码与界面设计。

io.github.openai/plugins/frontend-testing-debugging

Use when testing, debugging, or making targeted improvements to rendered frontend apps through the Build Web Apps or web dev plugin: local dev servers, UI regressions, interaction bugs, console errors, responsive layout, and visual QA. Check whether the Browser plugin is available and use it first when it is; otherwise use regular Playwright with the recorded reason.

io.github.Yeachan-Heo/oh-my-codex/review

Deprecated standalone review skill

io.github.Yeachan-Heo/oh-my-codex/security-review

Deprecated standalone security review skill

io.github.first-fluke/oh-my-agent/oma-frontend

Frontend specialist for React, Next.js, TypeScript with FSD-lite architecture, shadcn/ui, and design system alignment. Use for UI, component, page, layout, CSS, Tailwind, and shadcn work.

io.github.guilhermemarketing/esc-skills/css-border-gradient

Create and apply CSS gradient borders using a pseudo-element mask (the .border-gradient::before technique), including Tailwind-friendly usage and customization of angle, colors, border thickness, and radius. Use when asked for gradient borders, border glow, or the specific mask-composite border gradient snippet.

io.github.guilhermemarketing/esc-skills/cursor-subagent-creator

Creates Cursor-specific AI subagents with isolated context for complex multi-step workflows. Use when creating subagents for Cursor editor specifically, following Cursor's patterns and directories (.cursor/agents/). Triggers on "cursor subagent", "cursor agent".