Agent Skills

fastify-best-practices

★ 1,851

by mcollina

Guides development of Fastify Node.js backend servers and REST APIs using TypeScript or JavaScript. Use when building, configuring, or debugging a Fastify application — including defining routes, implementing plugins, setting up JSON Schema validation, handling errors, optimising performance, managing authentication, configuring CORS and security headers, integrating databases, working with WebSockets, and deploying to production. Covers the full Fastify request lifecycle (hooks, serialization, logging with Pino) and TypeScript integration via strip types. Trigger terms: Fastify, Node.js server, REST API, API routes, backend framework, fastify.config, server.ts, app.ts.

blueprint

★ 1,809

by wordpress

Use when creating, editing, or reviewing WordPress Playground blueprint JSON files. Triggers on mentions of blueprints, playground configuration, or requests to set up a WordPress demo environment.

wp-abilities-api

★ 1,809

by wordpress

Use when working with the WordPress Abilities API (wp_register_ability, wp_register_ability_category, /wp-json/wp-abilities/v1/*, @wordpress/abilities) including defining abilities, categories, meta, REST exposure, and permissions checks for clients.

wp-block-development

★ 1,809

by wordpress

Use when developing WordPress (Gutenberg) blocks: block.json metadata, register_block_type(_from_metadata), attributes/serialization, supports, dynamic rendering (render.php/render_callback), deprecations/migrations, viewScript vs viewScriptModule, and @wordpress/scripts/@wordpress/create-block build and test workflows.

wp-block-themes

★ 1,809

by wordpress

Use when developing WordPress block themes: theme.json (global settings/styles), templates and template parts, patterns, style variations, and Site Editor troubleshooting (style hierarchy, overrides, caching).

wp-interactivity-api

★ 1,809

by wordpress

Use when building or debugging WordPress Interactivity API features (data-wp-* directives, @wordpress/interactivity store/state/actions, block viewScriptModule integration, wp_interactivity_*()) including performance, hydration, and directive behavior.

wp-performance

★ 1,809

by wordpress

Use when investigating or improving WordPress performance (backend-only agent): profiling and measurement (WP-CLI profile/doctor, Server-Timing, Query Monitor via REST headers), database/query optimization, autoloaded options, object caching, cron, HTTP API calls, and safe verification.

wp-phpstan

★ 1,809

by wordpress

Use when configuring, running, or fixing PHPStan static analysis in WordPress projects (plugins/themes/sites): phpstan.neon setup, baselines, WordPress-specific typing, and handling third-party plugin classes.

wp-playground

★ 1,809

by wordpress

Use for WordPress Playground workflows: fast disposable WP instances in the browser or locally via @wp-playground/cli (server, run-blueprint, build-snapshot), auto-mounting plugins/themes, switching WP/PHP versions, blueprints, and debugging (Xdebug).

wp-plugin-development

★ 1,809

by wordpress

Use when developing WordPress plugins: architecture and hooks, activation/deactivation/uninstall, admin UI and Settings API, data storage, cron/tasks, security (nonces/capabilities/sanitization/escaping), and release packaging.

wp-plugin-directory-guidelines

★ 1,809

by wordpress

Use when reviewing WordPress plugins for GPL compliance, checking license headers or compatibility, evaluating upsell/freemium/trialware patterns, validating plugin naming or trademark rules, checking plugin slugs, understanding why a plugin was rejected from WordPress.org, or answering any question about the 18 WordPress.org Plugin Directory guidelines — even if the user doesn't mention 'guidelines' explicitly.

wp-project-triage

★ 1,809

by wordpress

Use when you need a deterministic inspection of a WordPress repository (plugin/theme/block theme/WP core/Gutenberg/full site) including tooling/tests/version hints, and a structured JSON report to guide workflows and guardrails.

wp-rest-api

★ 1,809

by wordpress

Use when building, extending, or debugging WordPress REST API endpoints/routes: register_rest_route, WP_REST_Controller/controller classes, schema/argument validation, permission_callback/authentication, response shaping, register_rest_field/register_meta, or exposing CPTs/taxonomies via show_in_rest.

wp-wpcli-and-ops

★ 1,809

by wordpress

Use when working with WP-CLI (wp) for WordPress operations: safe search-replace, db export/import, plugin/theme/user/content management, cron, cache flushing, multisite, and scripting/automation with wp-cli.yml.

wpds

★ 1,809

by wordpress

Use when building UIs leveraging the WordPress Design System (WPDS) and its components, tokens, patterns, etc.

tdd-red-green-refactor

★ 1,743

by google-labs-code

Enforces a disciplined Red-Green-Refactor (TDD) workflow in TypeScript/Node.js. Use this whenever creating new features, fixing bugs, or migrating logic to ensure high-quality, verifiable implementations.

writing-user-docs

★ 1,665

by callstackincubator

House style for user-facing documentation — voice, scope, structure, and what to leave out. Use this skill whenever writing, editing, or reviewing anything a user reads to learn how to use a tool — help center articles, getting-started guides, tutorials, feature docs, README usage sections, in-app help, release notes, or FAQ entries. Trigger it even when the request is phrased plainly — "document this feature", "write docs for X", "explain this to users", "write a README for this library", "turn these notes into a guide" — and even when no style guidelines are mentioned. Also use it to review existing docs for tone, bloat, or leaked implementation detail. Do not use it for internal engineering docs, architecture write-ups, RFCs, or code comments.

validate-skills

★ 1,517

by callstackincubator

Validates skills in this repo against agentskills.io spec and Claude Code best practices. Use via /validate-skills command.

next-best-practices

★ 1,449

by vercel

Next.js best practices - file conventions, RSC boundaries, data patterns, async APIs, metadata, error handling, route handlers, image/font optimization, bundling

next-cache-components

★ 1,449

by vercel

Next.js 16 Cache Components - PPR, use cache directive, cacheLife, cacheTag, updateTag

next-upgrade

★ 1,449

by vercel

Upgrade Next.js to the latest version following official migration guides and codemods

arxiv-search

★ 1,385

by langchain-ai

Search arXiv preprint repository for papers in physics, mathematics, computer science, quantitative biology, and related fields

langgraph-docs

★ 1,385

by langchain-ai

Use this skill for requests related to LangGraph in order to fetch relevant documentation to provide accurate, up-to-date guidance.

skill-creator

★ 1,385

by langchain-ai

Guide for creating effective skills that extend agent capabilities with specialized knowledge, workflows, or tool integrations. Use this skill when the user asks to: create a skill, make a skill, build a skill, set up a skill, initialize a skill, scaffold a skill, update or modify an existing skill, validate a skill, learn about skill structure, understand how skills work, or get guidance on skill design patterns.

web-research

★ 1,385

by langchain-ai

Use this skill for requests related to web research; it provides a structured approach to conducting comprehensive web research

gh-code-scanning

✓★ 1,245

by microsoft

Retrieves and groups GitHub code scanning alerts by rule and severity using the gh CLI

gitlab

✓★ 1,245

by microsoft

Manage GitLab merge requests and pipelines with a Python CLI

accessibility

✓★ 1,245

by microsoft

Consolidated accessibility skill entrypoint for WCAG 2.2, ARIA Authoring Practices, cognitive accessibility, Section 508, EN 301 549, and the Accessibility Planner workflow.

adr-author

✓★ 1,245

by microsoft

Authoring skill for Architecture Decision Records (ADRs) supporting capture, from-planner-handoff, and adopt-template entry modes with selectable Y-Statement or MADR v4.0.0 output templates, supersession lineage, and ASR trigger evaluation.

backlog-templates

✓★ 1,245

by microsoft

Shared work-item templates and conventions for ADO and GitHub backlog handoff across the RAI, Security, SSSC, Accessibility, and Privacy planners