Codex skills, plugins, subagents, slash commands and mcp servers

setup-slack-channel CopilotKit skill Skill to connect a local CopilotKit Channels agent to Slack from scratch: creates a Slack app, generates tokens, and binds them to a managed Intelligence Channel. Use it to make your bot respond to Slack mentions. Claude Code Cursor GitHub Copilot 1,300installs copilotkit-channels CopilotKit skill Configures the code side of CopilotKit managed Slack and Microsoft Teams channels. Connects your agent runtime to Intelligence transport without manual webhook plumbing. Claude Code Cursor GitHub Copilot 1,300installs channels-setup CopilotKit skill A skill to build your first CopilotKit Channels agent and connect it to Slack or Microsoft Teams. Walks through the entire path: from project setup to a working agent that replies to mentions in chat. Claude Code Cursor GitHub Copilot 1,300installs postgres-pro https://github.com/Jeffallan skill Analyzes PostgreSQL query plans, helps choose indexes, and covers replication and maintenance. Useful when tracking down bottlenecks or checking database changes. Claude Code Cursor GitHub Copilot 7,900installs minimalist-ui Leonxlnx skill Enforces editorial UI design rules with a warm monochrome palette and bento grids. It is opt-in and runs only when invoked by name. Claude Code Cursor GitHub Copilot 304installs industrial-brutalist-ui nexu-io skill A skill that locks in a raw mechanical visual style for dashboards, portfolios and editorial sites. Rigid grids, monospaced data type, utilitarian colors and analog degradation effects. Claude Code Cursor GitHub Copilot 1,700installs design-taste-frontend-v1 nexu-io skill The original v1 frontend taste skill for clean React and Tailwind CSS output. It keeps strict guardrails for projects that need backward compatibility with early generations. Claude Code Cursor GitHub Copilot 1,700installs imagegen-frontend-mobile nexu-io skill Generates premium mobile screen images and flows for iOS, Android, and cross-platform with clean hierarchy, readable text, and controlled palettes. Claude Code Cursor GitHub Copilot 1,700installs imagegen-frontend-web nexu-io skill Directs AI to generate section-by-section web design references. It enforces one horizontal image per section instead of squashing the page into one graphic. Claude Code Cursor GitHub Copilot 1,700installs reference-design-contract nexu-io skill Turns screenshots, URLs, product notes, and vague style requests into DESIGN.md plus an implementation handoff. Use it before prototypes or redesigns. Claude Code Cursor GitHub Copilot 1,700installs threat-model official anthropics skill Builds a threat model for a codebase in three modes and writes it to THREAT_MODEL.md. Use it before vulnerability discovery or a security review. Claude Code Cursor GitHub Copilot 1,200installs orca-jira stablyai skill This skill handles Jira work through Orca CLI: JQL search, workflow transitions, completion comments with PR or MR links, and follow-up issues. Claude Code Cursor GitHub Copilot 580installs block-no-verify-hook cskwork skill This skill adds a PreToolUse hook that blocks git bypass flags such as --no-verify. Use it when pre-commit checks must run before an agent can execute a command. Claude Code Cursor 6,500installs dry-refactoring kucherenko skill This skill automates refactoring of copy-paste clones found by jscpd. It guides you through extraction strategies—function, parameterization, module or class—and highlights which files to start with. Claude Code Cursor GitHub Copilot 3,600installs linear-cli schpet skill This skill wires the linear CLI into your agent so it can search, create and update Linear issues from the terminal. Claude Code Cursor GitHub Copilot 14,100installs architecture-designer https://github.com/Jeffallan skill Designs distributed system architectures, creates Mermaid diagrams, and writes Architecture Decision Records. It helps balance trade-offs before writing service code. Claude Code Cursor GitHub Copilot 7,800installs video-understand calesthio skill This skill extracts video frames and transcribes audio locally with ffmpeg and Whisper. Use it to inspect video content without API keys. Claude Code Cursor GitHub Copilot 1,300installs angular-new-app Angular Team @ Google skill A skill that scaffolds new Angular applications via the Angular CLI. Verifies your setup, generates the project with appropriate flags, and steers you toward Angular best practices. Claude Code Cursor GitHub Copilot 19,200installs ctf-reverse ljagiello skill A reverse engineering reference for CTF challenges: guides coding agents through binary inspection, anti-debug bypass, and virtual machine analysis. Claude Code Cursor GitHub Copilot 10,100installs how cursor skill Explores codebase architecture and runtime execution paths before you edit code. Helps determine module ownership, layering, and placement for new features. Claude Code Cursor GitHub Copilot 5,900installs seedance-prompt-en dexhunter skill A skill for writing prompts to Seedance 2.0, ByteDance's video generator. Use it when you create videos from text, images, video and audio via the @ reference system. Claude Code Cursor GitHub Copilot 3,100installs gke-workload-identity official google skill Diagnoses Pod authentication failures in Google Cloud through Workload Identity Federation for GKE. Use it to check KSA, IAM bindings, and the GKE metadata server. Claude Code Gemini CLI 2,000installs n8n-validation-expert czlonkowski skill Interprets n8n validation errors and warnings, identifies which block workflow execution and which are false positives. Explains why a node config fails validation and guides the fix in 2–3 iterations. Claude Code Cursor GitHub Copilot 6,800installs hermes-agent-skill-authoring Hermes Agent skill Guides you through authoring Hermes Agent SKILL.md files in a repository, including frontmatter and layout. Useful when a skill must ship with the package. Claude Code Cursor GitHub Copilot 516installs build-graph tirth8205 skill Builds or updates a repository knowledge graph for code review. Use it during first setup, after a branch switch, or following a large refactor. Claude Code Cursor GitHub Copilot 1,300installs woocommerce-backend-dev woocommerce skill Skill guides you through WooCommerce backend PHP development following project standards. Use it before creating new classes, modifying backend code, or writing unit tests. Claude Code Cursor GitHub Copilot 2,300installs ctx-purge mksglu skill A skill to permanently delete project context data in bulk or by session. Wipes the knowledge base, session records, and stats — this action cannot be undone. Claude Code Cursor GitHub Copilot 1,500installs kling-3-0 prime-skills skill Run Kling 3.0 through the RunComfy CLI to make video from a prompt or animate a source image. Choose a tier and mode for the output you need. Claude Code Cursor GitHub Copilot 412,700installs jira-tickets stablyai skill This skill reads and updates Jira tickets through Orca’s saved connections. Use it when work starts in Jira or requires ticket changes. Claude Code Cursor GitHub Copilot 555installs signed-audit-trails-recipe Tom Farley skill A step-by-step guide to signed records for Claude Code tool calls. Use it to evaluate policy gates and offline verification before installing protect-mcp runtime hooks. Claude Code Cursor 6,200installs competitor-analysis phuryn skill This skill researches direct competitors and compares their positioning, strengths, weaknesses, and pricing. Use it to prepare a competitive brief or find ways to differentiate a product. Claude Code Cursor GitHub Copilot 3,800installs drawio jgraph skill This skill has the agent draw draw.io diagrams and save them as .drawio files, with export to PNG, SVG or PDF. Claude Code Cursor GitHub Copilot 3,200installs why cursor skill The skill investigates why code took its current shape by checking Git history and available MCP sources, then returns cited findings about decisions and tradeoffs. Claude Code Cursor GitHub Copilot 5,700installs hyperplan code-yeongyu skill A team of five agents with opposing roles stress-tests a plan. Only what survives the crossfire makes it to the final scheme. Claude Code Cursor GitHub Copilot 576installs ctf-web ljagiello skill Routes and guides agents through web CTF challenges, covering everything from SQL injection and SSTI to auth bypasses and SSRF. Claude Code Cursor GitHub Copilot 9,700installs ce-strategy EveryInc skill This skill creates or updates a project-root STRATEGY.md covering the product, its users, metrics, and areas of focus. Use it when starting a product or changing direction. Claude Code Cursor GitHub Copilot 3,000installs ce-proof EveryInc skill Publishes local markdown files to Proof, a collaborative editor for specs, plans, and drafts. Claude Code Cursor GitHub Copilot 3,000installs hindsight-local vectorize-io skill This skill stores preferences, task learnings, and procedure outcomes, then retrieves relevant context before new work begins. Claude Code Cursor GitHub Copilot 493installs swiftui-performance-audit official OpenAI skill Pinpoints SwiftUI runtime issues like frame drops, unresponsive taps, and excessive view body computations. Works code-first and guides Instruments profiling. GP ChatGPT 109installs react-expert reactjs skill Researches React APIs and internals directly against tests, commits, and pull requests. Useful for writing accurate docs without relying on outdated model memory. Claude Code Cursor GitHub Copilot 1,300installs