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

linkedin-marketing sergebulaev skill Plans, drafts, audits, and publishes LinkedIn posts and comments. Publishing through Publora starts only after you explicitly approve the draft. Claude Code CX Codex Cursor 1,700installs quick-mockups civitai skill Generates 3 to 5 parallel UI mockups in HTML. Useful when you need to explore layouts, wireframes, and hierarchy variations before writing frontend code. Claude Code CX Codex Cursor 1,700installs github-project-management ruvnet skill Turns issue triage and board upkeep into gh and ruv-swarm calls: labels, subtasks, duplicate lookup. Useful when the tracker holds more tickets than order. Claude Code CX Codex Cursor 1,400installs shader-dev MiniMax-AI skill GLSL reference skill covering 36 real-time shader techniques for ShaderToy and WebGL2. Helpful for ray marching, SDF scenes, fluids, and visual effects. Claude Code CX Codex Cursor 2,500installs ads-budget AgriciDaniel skill Plans and audits paid-media spend, bidding strategies, and pacing across channels. Useful when balancing marginal returns and cash constraints. Claude Code CX Codex Cursor 4,000installs ads-plan AgriciDaniel skill Walks an agent through a paid-media plan: objectives, channel choice, campaign architecture, budget, measurement and rollback terms. Meant for the stage before money hits the ad account. Claude Code CX Codex Cursor 4,000installs unfreeze garrytan skill Clears the freeze boundary set by /freeze, allowing edits to all directories again. Use it when you need to unlock restricted folders or return to unrestricted editing. Claude Code CX Codex Cursor 327installs deep-agents-memory langchain-ai skill A skill that maps where a Deep Agent keeps its files: thread state, a persistent store, or the real disk. Useful once the agent starts dropping context. Claude Code CX Codex Cursor 19,000installs csharp-developer https://github.com/Jeffallan skill Enforces .NET 8 and C# 12 development practices for ASP.NET Core APIs and Blazor apps. Useful when writing asynchronous services with EF Core and MediatR. Claude Code CX Codex Cursor 4,800installs angular-architect https://github.com/Jeffallan skill An Angular 17+ specialist skill for Claude Code and other AI editors: standalone components with signals, NgRx stores, lazy routing and bundle checks. Claude Code CX Codex Cursor 4,800installs cli-developer https://github.com/Jeffallan skill Skill for command-line development: guides you through building CLI tools with argument parsing, interactive prompts, progress bars and shell completions. Works with commander, click, typer and cobra. Claude Code CX Codex Cursor 4,800installs better-auth-security-best-practices better-auth skill Hardens Better Auth deployments by configuring rate limits, CSRF rules, session caching, and OAuth token encryption. Claude Code CX Codex Cursor 47,700installs secure-workflow-guide trailofbits skill Guides smart contracts through Trail of Bits' 5-step security audit on check-in or before deployment. It runs static analysis, generates visual charts, and prepares fuzzing tests. Claude Code CX Codex Cursor 7,400installs scrutinize thananon skill An outsider-perspective review skill for plans, pull requests, and diffs. It challenges intent first, traces execution paths beyond the diff, and flags structural flaws. Claude Code CX Codex Cursor 5,200installs game-setup-and-config phaserjs skill Guides agent setup for Phaser 4 instances and GameConfig options. Useful when configuring renderers, canvas scaling, FPS caps, and pixel art settings. Claude Code CX Codex Cursor 1,200installs opensrc vercel-labs skill Gives an agent dependency source code when types and documentation are not enough to inspect internal logic or debug library behaviour. Claude Code CX Codex Cursor 2,600installs threat-model-analyst official github skill Runs STRIDE-A threat modeling for a repository or system. It can also update an earlier report against the current code or a chosen commit. 1,500installs ruff-recursive-fix official github skill Runs Ruff in a chosen scope, applies safe and unsafe fixes in passes, and asks for a decision when an automated correction is ambiguous. 1,500installs gtm-operating-cadence official Smit Patel (https://linkedin.com/in/smitkpatel) skill This skill helps set meeting rhythms, metric reporting, quarterly planning, and decision-making for scaling companies with slow or unclear coordination. 1,500installs gtm-developer-ecosystem official Smit Patel (https://linkedin.com/in/smitkpatel) skill This skill helps plan developer programs and make ecosystem choices for APIs, integrations, and communities. Use it when deciding whether to open a marketplace or curate submissions. 1,500installs azure-architecture-autopilot official github skill Design Azure infrastructure from a prompt or inspect existing resources, then work through diagrams, Bicep generation and deployment. Use it for a new build or changes to an existing setup. 1,500installs agent-owasp-compliance official github skill Checks an AI agent codebase against the 10 OWASP ASI risks. Use it before production deployment, for security review, or when preparing an audit report. 1,500installs golang-gopls samber skill Semantic navigation and refactoring for Go code through gopls, the official language server. Use it when grep finds text but you need types, call graphs, and build structure. Claude Code CX Codex Cursor 10,900installs ralplan Yeachan-Heo skill A skill that runs iterative planning with three agents (Planner, Architect, Critic) until consensus. Blocks vague requests before execution, never runs changes without your approval. Claude Code CX Codex Cursor 1,200installs verified-agent-identity BillionsNetwork skill This skill gives an agent an Ethereum DID on the Billions Network and a way through 402 Payment Required responses. Use it when an agent has to prove who owns it or pay for API access. Claude Code CX Codex Cursor 8,200installs vercel-deployment sickn33 skill A skill that prepares and runs a Next.js project deployment to Vercel. Use it to set up a preview environment, validate environment variables, and ensure the build will succeed. Claude Code CX Codex Cursor 1,800installs app-store-optimization sickn33 skill Generates store metadata drafts and validates character constraints for Apple App Store and Google Play. Helps prepare release copy and test plans. Claude Code CX Codex Cursor 1,800installs pretext Hermes Agent skill A skill for browser demos built on @chenglou/pretext: text wraps around shapes, splits into graphemes and gets measured through canvas without a page reflow. Claude Code CX Codex Cursor 317installs pretty-mermaid imxv skill Renders Mermaid diagrams to SVG, PNG, or ASCII/Unicode without a browser. Useful for docs, READMEs, and terminal output. Claude Code CX Codex Cursor 4,500installs github-actions callstackincubator skill Reusable GitHub Actions patterns to build React Native apps for iOS simulators and Android emulators in the cloud and download artifacts. Simplifies CI pipeline setup and scripted retrieval via gh CLI or REST API. Claude Code CX Codex Cursor 10,900installs cloud-architect https://github.com/Jeffallan skill A skill for designing cloud architectures on AWS, Azure and GCP: redundant topology, migration plan, cost model and a disaster recovery strategy. Claude Code CX Codex Cursor 4,700installs rag-architect https://github.com/Jeffallan skill Designs production RAG systems: chunks documents, generates embeddings, configures vector stores, builds hybrid search pipelines, and evaluates retrieval quality. Claude Code CX Codex Cursor 4,700installs rails-expert https://github.com/Jeffallan skill Rails 7+ skill for Hotwire, Sidekiq, and Active Record optimization. Guides query tuning, Turbo Frames, and RSpec test suites. Claude Code CX Codex Cursor 4,700installs dotnet-core-expert https://github.com/Jeffallan skill A Claude Code skill that steers the agent through a .NET 8 backend: minimal APIs, clean architecture, EF Core, CQRS with MediatR and JWT auth, from requirements to dotnet test. Claude Code CX Codex Cursor 4,700installs open-gstack-browser garrytan skill A skill that launches an AI-controlled Chromium browser with the GStack sidebar extension baked in. Use it when you need an agent to open web pages and interact with them during coding. Claude Code CX Codex Cursor 318installs email-and-password-best-practices better-auth skill Configures email verification, password reset flows, and password policies in Better Auth. Helpful when adding credential authentication to your backend. Claude Code CX Codex Cursor 46,600installs rowan K-Dense-AI skill Runs cloud molecular modeling, docking, and pKa prediction pipelines via Python API. Fits computational chemistry workflows without local GPU infrastructure. Claude Code CX Codex Cursor 1,900installs qutip K-Dense-AI skill This skill guides QuTiP 5 quantum-system simulations and checks physical assumptions, dimensions, and numerical convergence. Claude Code CX Codex Cursor 1,900installs opentrons-integration K-Dense-AI skill Skill for writing, reviewing, and simulating Opentrons Protocol API v2 protocols in Python. Works with Flex and OT-2 liquid handlers to configure decks, pipettes, modules, and runtime parameters. Claude Code CX Codex Cursor 1,900installs dnanexus-integration K-Dense-AI skill Automates genomics workloads on DNAnexus using dx CLI, dxpy, and dxCompiler. Handy when building dxapp.json applets or importing Nextflow and WDL pipelines. Claude Code CX Codex Cursor 1,900installs