GitHub Copilot skills, plugins, subagents, slash commands and mcp servers

context-compression sickn33 skill A skill for managing context compression when agent sessions exceed token limits. Instead of naive truncation, it maintains structured summaries with file inventory, decisions, and state. Claude Code CX Codex Cursor 1,400installs test-driven-development sickn33 skill Guides coding agents through a strict test-driven development workflow: red, green, and refactor. Useful when fixing bugs or implementing new features with regression checks. Claude Code CX Codex Cursor 1,400installs security-auditor sickn33 skill Turns your AI coder into a security expert: conducts audits, analyzes vulnerabilities, reviews SDLC and compliance with OWASP, GDPR, PCI-DSS standards. Claude Code CX Codex Cursor 1,400installs organization-best-practices better-auth skill Sets up multi-tenant organizations, invitations, and permissions in Better Auth. Helps manage teams and custom RBAC rules without digging through documentation. Claude Code CX Codex Cursor 36,400installs cli-anything-obsidian HKUDS skill Manage an Obsidian vault from the terminal: read, create, search, and update notes or run editor commands. It suits agents that need to work without the GUI. Claude Code CX Codex Cursor 917installs resource-curator leonardomso skill Audits, discovers, and organizes external learning resources for JavaScript concept documentation. It weeds out broken links and obsolete syntax. Claude Code CX Codex Cursor 319installs scale-and-responsive phaserjs skill A skill to set up responsive scaling for Phaser 4 games: choose a scale mode, center the canvas, enable fullscreen, and handle window resize events. Claude Code CX Codex Cursor 910installs game-feel gamedev-skills skill Teaches the agent to add feedback to game actions: camera shake, hit-stop, eased tweens, squash and stretch, knockback. For mechanics that work but feel weightless. Claude Code CX Codex Cursor 9,400installs landing-page-design elayadesign skill Complete system for landing pages: intake, structure, copywriting, visual rules. Consult before choosing fonts, spacing, colors, or writing headlines. Claude Code CX Codex Cursor 1,700installs write-docs tldraw skill Skill for writing and updating tldraw SDK documentation. Guides you through creating articles, updating existing docs, and following the project's style. Claude Code CX Codex Cursor 486installs loading-assets phaserjs skill This skill guides Phaser 4 asset loading through the Loader plugin. Use it when working with preload(), spritesheets, audio, tilemaps, or load progress. Claude Code CX Codex Cursor 901installs kumo-design cloudflare skill Cloudflare product design rules for coding agents: guides layout, typography, dialogs, and animations in Kumo UI dashboards. Claude Code CX Codex Cursor 1,500installs token-integration-analyzer trailofbits skill Checks ERC20 and ERC721 implementations plus code that integrates external tokens. Use it before accepting tokens with non-standard transfer or approval behaviour. Claude Code CX Codex Cursor 5,500installs tweens phaserjs skill Teaches coding agents how to animate properties in Phaser 4 using TweenManager, tween chains, stagger offsets, and number counters. Claude Code CX Codex Cursor 891installs improve-claude-md humanlayer skill Rewrites your CLAUDE.md file using <important if="condition"> XML blocks. It keeps Claude Code focused on relevant rules without dropping project guidelines. Claude Code CX Codex Cursor 2,500installs intended-vs-implemented phuryn skill Audits the gap between documented architecture and actual code boundaries. Catches missed permission checks and untrusted data exposure in AI-built codebases. Claude Code CX Codex Cursor 1,800installs game-ui-ux gamedev-skills skill Engine-neutral game UI architecture skill for responsive layouts, screen stacks, gamepad focus, and event-driven HUD updates. Claude Code CX Codex Cursor 9,200installs codex-delegate amElnagdy skill Hands a bounded coding task to the OpenAI Codex CLI and leaves you the diff and the commit. Useful when Codex does the typing and you do the review. Claude Code CX Codex Cursor 7,700installs fix-merge-conflicts cursor skill Resolves merge conflicts in a branch, then checks the build and tests before wrapping up. Use it when several conflicted files need focused fixes without a refactor. Claude Code CX Codex Cursor 2,700installs thermo-nuclear-review cursor skill A skill for comprehensive analysis of branch changes: checks code for bugs, broken functionality, security vulnerabilities, and feature-gate leaks. Use when you need thorough review before merge. Claude Code CX Codex Cursor 2,700installs azure-text-to-speech calesthio skill Synthesizes neural voiceover audio using the Azure AI Speech REST API. Ideal for OpenMontage pipelines that need multilingual narration voices. Claude Code CX Codex Cursor 589installs visual-verdict Yeachan-Heo skill A visual QA skill that compares generated UI screenshots against reference images and returns a structured JSON verdict for layout iterations. Claude Code CX Codex Cursor 890installs learn-reverse-engineering rohitg00 skill Interactive tutor for reading compiled programs. One lesson per invocation: from file formats and disassembly to symbolic execution and AI-assisted analysis. Requires Python 3.10+ and your own source code. Claude Code CX Codex Cursor 425installs tavily-best-practices tavily-ai skill This skill gives an agent guidance for Tavily web search, content extraction, site crawling, and research. Use it when adding current web data to an agent workflow or RAG system. Claude Code CX Codex Cursor 20,600installs write-concept leonardomso skill Creates and reviews JavaScript concept pages for 33 JavaScript Concepts. Use it when adding, rewriting, or checking material in /docs/concepts/. Claude Code CX Codex Cursor 305installs cargo-fuzz trailofbits skill Sets up cargo-fuzz inside a Cargo-based Rust crate and walks through the harness, sanitizers and crash triage. Claude Code CX Codex Cursor 5,400installs guidelines-advisor trailofbits skill Audits smart contract codebases against Trail of Bits guidelines. It spots upgradeability pitfalls, flawed inheritance, and testing gaps. Claude Code CX Codex Cursor 5,400installs coverage-analysis trailofbits skill Measures code reached by a fuzzing campaign and helps explain stalled path discovery. Use it to inspect harness changes, corpus results, and unreachable branches. Claude Code CX Codex Cursor 5,400installs clean-user-facing-text guillaumemeyer skill Cleans reader-facing prose by auditing invisible Unicode and smoothing repetitive AI cadences. Keeps code, facts, and author voice intact. Claude Code CX Codex Cursor 439installs pr-review MiniMax-AI skill Two-phase pull request review for skill repositories, combining automated schema checks with content audits. Claude Code CX Codex Cursor 1,800installs react19-concurrent-patterns official github skill Preserves React 18 concurrent patterns during React 19 migrations and guides the adoption of use(), useOptimistic, and Actions. 1,100installs mcp-security-audit official github skill Audits MCP server configurations for exposed secrets, shell injection, mutable package references, and unapproved servers. Use it before changing .mcp.json. 1,100installs lsp-setup official github skill Installs a language server and configures LSP for Copilot CLI. Use it when you need code navigation such as go-to-definition or find-references. 1,100installs integrate-context-matic official github skill This skill finds third-party APIs and helps integrate their SDKs through the context-matic MCP server. Use it for external API work. 1,100installs arize-trace official arize skill Export Arize traces and spans by ID, then inspect them to investigate errors or LLM app behavior. Use it when you need to examine trace data already collected. 1,100installs arize-prompt-optimization official arize skill This skill analyzes prompts through production traces, evaluations, and annotations. Use it when you need better model responses or want to debug a system prompt. 1,100installs arize-instrumentation official arize skill This skill helps add Arize AX tracing to an LLM application. The agent inspects the project first, then proposes instrumentation for approval. 1,100installs arize-experiment official arize skill Runs Arize experiments with the ax CLI to benchmark models and export evaluation scores across dataset versions. 1,100installs arize-evaluator official arize skill Runs LLM-as-judge workflows in Arize for spans and experiments, with evaluator management, task control, column mapping, and continuous monitoring. 1,100installs arize-dataset official arize skill This skill manages Arize datasets and examples through ax. Use it for test sets, evaluation examples, and dataset exports. 1,100installs