Agent Skills
Instruction packs that give your AI agent know-how. Three different kinds — pick the right one below.
✦ Standalone skills4,610
Self-contained. Install one into any project and it works on its own — no other software needed.
🧰 Tool add-ons1,006
Come bundled with a specific tool and only work together with it — they teach your agent how to operate that tool.
posthog · Development
1,311 standalone skillsreact-best-practices
✓★ 4,081by openai
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
remotion-best-practices
✓★ 4,081by openai
Best practices for Remotion - Video creation in React
sentry
✓★ 4,081by openai
Use when the user asks to inspect Sentry issues or events, summarize recent production errors, or pull basic Sentry health data via the Sentry API; perform read-only queries with the bundled script and require `SENTRY_AUTH_TOKEN`.
shadcn
✓★ 4,081by openai
shadcn/ui expert guidance — CLI, component installation, composition patterns, custom registries, theming, Tailwind CSS integration, and high-quality interface design. Use when initializing shadcn, adding components, composing product UI, building custom registries, configuring themes, or troubleshooting component issues.
sprite-pipeline
✓★ 4,081by openai
Generate and normalize 2D sprite animations. Use when the user asks for full-strip generation from approved source frames, consistent anchor and scale normalization, or preview assets for browser-game animation.
swiftpm-macos
✓★ 4,081by openai
Build, run, and test SwiftPM macOS packages and executables. Use when the repo is package-first or has no Xcode project.
swiftui-liquid-glass
✓★ 4,081by openai
Implement and review iOS 26+ SwiftUI Liquid Glass UI. Use when adopting Liquid Glass or checking its correctness, performance, and design fit.
swiftui-patterns
✓★ 4,081by openai
Build macOS SwiftUI scenes and components with desktop patterns. Use when shaping windows, commands, toolbars, settings, split views, or inspectors.
swiftui-ui-patterns
✓★ 4,081by openai
Build and refactor SwiftUI UI with component patterns and examples. Use when shaping navigation, state, layouts, controls, or screen composition.
swiftui-view-refactor
✓★ 4,081by openai
Refactor SwiftUI view files into stable, testable structure. Use when splitting large views, tightening data flow, or cleaning Observation ownership.
uniprot-skill
✓★ 4,081by openai
Submit compact UniProt REST API requests for UniProtKB, UniRef, UniParc, and FASTA stream endpoints. Use when a user wants concise UniProt summaries; save raw JSON or FASTA only on request.
web-game-foundations
✓★ 4,081by openai
Set browser-game architecture before implementation. Use when the user needs engine choice, simulation and render boundaries, input model, asset organization, or save/debug/performance strategy.
window-management
✓★ 4,081by openai
Customize macOS SwiftUI windows and scene behavior. Use when tuning window chrome, drag regions, placement, restoration, launch behavior, or borderless windows.
render-migrate-from-heroku
✓★ 4,081by openai
Migrate from Heroku to Render by reading local project files and generating equivalent Render services. Triggers: any mention of migrating from Heroku, moving off Heroku, Heroku to Render migration, or switching from Heroku. Reads Procfile, dependency files, and app config from the local repo. Optionally uses Heroku MCP to enrich with live config vars, add-on details, and dyno sizes. Uses Render MCP or Blueprint YAML to create services.
quickgo-skill
✓★ 4,081by openai
Submit compact QuickGO requests for GO terms, annotations, and ontology traversal. Use when a user wants concise QuickGO summaries
render-networking
✓★ 4,081by openai
Connects Render services over the private network—internal DNS, service discovery, and cross-service communication. Use when the user needs to wire services together, resolve internal hostnames, troubleshoot connectivity between services, configure environment isolation, or understand which services can reach each other.
render-postgres
✓★ 4,081by openai
Sets up and optimizes Managed PostgreSQL on Render—connection strings (internal vs external), creation constraints, storage autoscaling, connection limits, high availability, read replicas, backups, and MCP inspection. Use when the user mentions Postgres, PostgreSQL, Render database, connection string, DATABASE_URL, backups, snapshots, replicas, HA, disk storage, connection pooling, or troubleshooting DB connectivity.
render-private-services
✓★ 4,081by openai
Configures Render private services—internal-only apps that accept traffic exclusively from other Render services over the private network. Use when the user needs an internal API, microservice, gRPC server, sidecar, or any service that should not be publicly accessible. Also use when choosing between a private service and a background worker. Trigger terms: private service, pserv, internal service, internal API, microservice, gRPC, not public, private network service.
render-scaling
✓★ 4,081by openai
Scales Render services—configures autoscaling targets, chooses instance types, sets manual instance counts, and optimizes cost. Use when the user needs to handle more traffic, set up autoscaling, pick the right instance type, reduce costs, or troubleshoot scaling behavior like slow scale-down or stuck instances.
requesting-code-review
✓★ 4,081by openai
Use when completing tasks, implementing major features, or before merging to verify work meets requirements
research-note
✓★ 4,081by openai
Generate a professional Word document research note
routing-middleware
✓★ 4,081by openai
Vercel Routing Middleware guidance — request interception before cache, rewrites, redirects, personalization. Works with any framework. Supports Edge, Node.js, and Bun runtimes. Use when intercepting requests at the platform level.
zoom-rtms
✓★ 4,081by openai
Use when using RTMS.
scribe
✓★ 4,081by openai
Use when using Scribe.
security-scan
✓★ 4,081by openai
Use when the user asks for a repository-wide or scoped-path security scan.
mixpanel-headless-setup
✓★ 4,081by openai
This skill installs mixpanel_headless, pandas, numpy, matplotlib, seaborn, networkx, anytree, scipy (and pyarrow on Python 3.11+), then verifies Mixpanel credentials. It should be invoked when setting up a new environment for Mixpanel data analysis, when dependencies are missing, or when configuring service account or OAuth credentials for the first time.
sharepoint
✓★ 4,081by openai
Inspect Microsoft SharePoint context, discover the right site or library, and prepare safe changes. Use when the user wants site, page, or file review, ownership and status extraction, or change planning before editing content, navigation, or information architecture.
sharepoint-shared-doc-maintenance
✓★ 4,081by openai
Maintain shared SharePoint strategy, roadmap, planning, or status documents from changing source documents. Use when the user wants cross-document synthesis, source-of-truth propagation, or targeted updates to a maintained shared document.
sharepoint-site-discovery
✓★ 4,081by openai
Resolve the right SharePoint site, library, and folder before file work. Use when the user needs to find the right site context, browse a known site, inspect document libraries, or narrow the correct folder before fetching or editing a file.
sharepoint-spreadsheet-formula-builder
✓★ 4,081by openai
Design, repair, and roll out formulas in SharePoint-hosted workbooks with connector-aware retrieval, validation, and upload discipline. Use when the user wants to add a formula column, fix a broken formula, choose between a fill-down formula and a spill formula, build a lookup or filter formula, or reuse workbook logic safely.