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bun-shell

Bun shell scripting with Bun.$, Bun.spawn, subprocess management. Use for shell commands, template literals, or command execution.

secondsky
secondsky
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bun-sqlite

Use for bun:sqlite, SQLite operations, prepared statements, transactions, and queries.

secondsky
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bun-sveltekit

Use when building or running SvelteKit apps on Bun, including SSR, adapters, and Bun-specific APIs

secondsky
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bun-tanstack-start

TanStack Start full-stack React framework with Bun runtime. Use for TanStack Router, server functions, vinxi, or encountering SSR, build, preset errors.

secondsky
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bun-test-basics

Use for bun:test syntax, assertions, describe/it, test.skip/only/each, and basic patterns.

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bun-test-coverage

Use for test coverage with Bun, --coverage flag, lcov reports, thresholds, and CI integration.

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bun-test-lifecycle

Use for test lifecycle hooks: beforeAll, afterAll, beforeEach, afterEach, fixtures, preload.

secondsky
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bun-test-mocking

Use for mock functions in Bun tests, spyOn, mock.module, implementations, and test doubles.

secondsky
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bun-websocket-server

This skill should be used when the user asks about "WebSocket in Bun", "real-time communication", "Bun.serve websocket", "ws server", "socket connections", "pub/sub", "broadcasting messages", "WebSocket upgrade", or building real-time applications with Bun.

secondsky
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bun-workers

Use for Web Workers in Bun, worker_threads, parallel processing, and background tasks.

secondsky
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claude-code-bash-patterns

Claude Code Bash tool patterns with hooks, automation, git workflows. Use for PreToolUse hooks, command chaining, CLI orchestration, custom commands, or encountering bash permissions, command failures, security guards, hook configurations.

secondsky
secondsky
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claude-hook-writer

Expert guidance for writing secure, reliable, and performant Claude Code hooks - validates design decisions, enforces best practices, and prevents common pitfalls. Use when creating, reviewing, or debugging Claude Code hooks.

Claude Skills Maintainers
Claude Skills Maintainers
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cloudflare-agents

Build AI agents on Cloudflare Workers with MCP integration, tool use, and LLM providers.

secondsky
secondsky
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cloudflare-browser-rendering

Cloudflare Browser Rendering with Puppeteer/Playwright. Use for screenshots, PDFs, web scraping, or encountering rendering errors, timeout issues, memory exceeded.

secondsky
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cloudflare-cron-triggers

Cloudflare Cron Triggers for scheduled Workers execution. Use for periodic tasks, scheduled jobs, or encountering handler not found, invalid cron expression, timezone errors.

secondsky
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cloudflare-d1

Cloudflare D1 serverless SQLite on edge. Use for databases, migrations, bindings, or encountering D1_ERROR, statement too long, too many requests queued errors.

secondsky
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cloudflare-durable-objects

Cloudflare Durable Objects for stateful coordination and real-time apps. Use for chat, multiplayer games, WebSocket hibernation, or encountering class export, migration, alarm errors.

secondsky
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cloudflare-email-routing

Cloudflare Email Routing for receiving/sending emails via Workers. Use for email workers, forwarding, allowlists, or encountering Email Trigger errors, worker call failures, SPF issues.

secondsky
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cloudflare-hyperdrive

Cloudflare Hyperdrive for Workers-to-database connections with pooling and caching. Use for PostgreSQL/MySQL, Drizzle/Prisma, or encountering pool errors, TLS issues, connection refused.

secondsky
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cloudflare-images

This skill should be used when the user asks to \"upload images to Cloudflare\", \"implement direct creator upload\", \"configure image transformations\", \"optimize WebP/AVIF\", \"create image variants\", \"generate signed URLs\", \"add image watermarks\", \"integrate with Next.js/Remix\", \"configure webhooks\", \"debug CORS errors\", \"troubleshoot error 5408/9401-9413\", or \"build responsive images with Cloudflare Images API\".

secondsky
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cloudflare-kv

Cloudflare Workers KV global key-value storage. Use for namespaces, caching, TTL, or encountering KV_ERROR, 429 rate limits, consistency issues.

secondsky
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cloudflare-manager

Comprehensive Cloudflare account management for deploying Workers, KV Storage, R2, Pages, DNS, and Routes. Use when deploying cloudflare services, managing worker containers, configuring KV/R2 storage, or setting up DNS/routing. Requires CLOUDFLARE_API_KEY in .env and Bun runtime with dependencies installed.

secondsky
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cloudflare-mcp-server

Build MCP (Model Context Protocol) servers on Cloudflare Workers with tools, resources, and prompts.

secondsky
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cloudflare-nextjs

Deploy Next.js to Cloudflare Workers via OpenNext adapter. Use for SSR, ISR, App/Pages Router, or encountering worker size limits, runtime compatibility, connection scoping errors.

secondsky
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cloudflare-queues

This skill should be used when the user asks to \"set up Cloudflare Queues\", \"create a message queue\", \"implement queue consumer\", \"process background jobs\", \"configure queue retry logic\", \"publish messages to queue\", \"implement dead letter queue\", or encountering \"queue timeout\", \"message retry\", \"throughput exceeded\", \"queue backlog\" errors.

secondsky
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cloudflare-r2

Cloudflare R2 S3-compatible object storage. Use for buckets, uploads, CORS, presigned URLs, or encountering R2_ERROR, CORS failures, multipart issues.

secondsky
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cloudflare-sandbox

Cloudflare Sandboxes SDK for secure code execution in Linux containers at edge. Use for untrusted code, Python/Node.js scripts, AI code interpreters, git operations.

secondsky
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cloudflare-turnstile

This skill should be used when the user asks to \"add turnstile\", \"implement bot protection\", \"validate turnstile token\", \"fix turnstile error\", \"setup captcha alternative\", or encounters error codes 100*/300*/600*, CSP errors, or token validation failures. Provides CAPTCHA-alternative protection for Cloudflare Workers, React, Next.js, and Hono.

secondsky
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cloudflare-vectorize

Cloudflare Vectorize vector database for semantic search and RAG. Use for vector indexes, embeddings, similarity search, or encountering dimension mismatches, filter errors.

secondsky
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cloudflare-workers-ai

Cloudflare Workers AI for serverless GPU inference. Use for LLMs, text/image generation, embeddings, or encountering AI_ERROR, rate limits, token exceeded errors.

secondsky
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cloudflare-workers-ci-cd

Complete CI/CD guide for Cloudflare Workers using GitHub Actions and GitLab CI. Use for automated testing, deployment pipelines, preview environments, secrets management, or encountering deployment failures, workflow errors, environment configuration issues.

secondsky
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cloudflare-workers-dev-experience

Cloudflare Workers local development with Wrangler, Miniflare, hot reload, debugging. Use for project setup, wrangler.jsonc configuration, or encountering local dev, HMR, binding simulation errors.

secondsky
secondsky
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cloudflare-workers-frameworks

Framework integration for Cloudflare Workers. Use when building with Hono, Remix, Next.js, Astro, SvelteKit, Qwik, or Nuxt on Workers. Covers routing, SSR, static assets, and edge deployment.

secondsky
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cloudflare-workers-migration

Migrate to Cloudflare Workers from AWS Lambda, Vercel, Express, and Node.js. Use when porting existing applications to the edge, adapting serverless functions, or resolving Node.js API compatibility issues.

secondsky
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cloudflare-workers-multi-lang

Multi-language Workers development with Rust, Python, and WebAssembly. Use when building Workers in languages other than JavaScript/TypeScript, or when integrating WASM modules for performance-critical code.

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cloudflare-workers-observability

Cloudflare Workers observability with logging, Analytics Engine, Tail Workers, metrics, and alerting. Use for monitoring, debugging, tracing, or encountering log parsing, metric aggregation, alert configuration errors.

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cloudflare-workers-performance

Cloudflare Workers performance optimization with CPU, memory, caching, bundle size. Use for slow workers, high latency, cold starts, or encountering CPU limits, memory issues, timeout errors.

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cloudflare-workers-runtime-apis

Cloudflare Workers Runtime APIs including Fetch, Streams, Crypto, Cache, WebSockets, and Encoding. Use for HTTP requests, streaming, encryption, caching, real-time connections, or encountering API compatibility, response handling, stream processing errors.

secondsky
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cloudflare-workers-security

Cloudflare Workers security with authentication, CORS, rate limiting, input validation. Use for securing APIs, JWT/API keys, or encountering auth failures, CORS errors, XSS/injection vulnerabilities.

secondsky
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cloudflare-workers-testing

Comprehensive testing guide for Cloudflare Workers using Vitest and @cloudflare/vitest-pool-workers. Use for test setup, binding mocks (D1/KV/R2/DO), integration tests, or encountering test failures, mock errors, coverage issues.

secondsky
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cloudflare-workflows

Cloudflare Workflows for durable long-running execution. Use for multi-step workflows, retries, state persistence, or encountering NonRetryableError, execution failed errors.

secondsky
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cloudflare-zero-trust-access

Cloudflare Zero Trust Access authentication for Workers. Use for JWT validation, service tokens, CORS, or encountering preflight blocking, cache race conditions, missing JWT headers.

secondsky
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code-review

Code review practices with technical rigor and verification gates. Use for receiving feedback, requesting code-reviewer subagent reviews, or preventing false completion claims in pull requests.

secondsky
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csrf-protection

Implements CSRF protection using synchronizer tokens, double-submit cookies, and SameSite attributes. Use when securing web forms, protecting state-changing endpoints, or implementing defense-in-depth authentication.

secondsky
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cybersecurity

OSS-only security for OWASP Top 10, pentest, vuln testing (XSS, SSRF, CSRF, business-logic, Host header), threat modeling (STRIDE, ATT&CK), Sigma rules, SAST, code audit, AI/LLM red-team, or replacing paid tools (Burp, Nessus, Splunk) with OSS.

secondsky
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defense-in-depth-validation

Validate at every layer data passes through to make bugs impossible. Use when invalid data causes failures deep in execution, requiring validation at multiple system layers.

secondsky
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delegate-my-work

Interview employees to identify recurring daily work, office workflows, and repetitive tasks that can be automated, co-piloted, or supported by AI. Use when the user wants to find what AI can take off their plate, map available tools such as ChatGPT/OpenAI, Claude, Microsoft Copilot, Excel or PowerPoint add-ins, Google Workspace, no-code/RPA tools, coding agents, or internal automation platforms, and write tool-aware specs with fallback paths.

secondsky
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dependency-upgrade

Secure dependency upgrades with supply chain protection, cooldowns, and staged rollout. Use when upgrading deps, configuring security policies, or preventing supply chain attacks.

secondsky
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design-review

7-phase frontend design review with accessibility (WCAG 2.1 AA), responsive testing, visual polish. Use for PR reviews, UI audits, or encountering contrast issues, broken layouts, accessibility violations, inconsistent spacing, missing focus states.

secondsky
secondsky
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design-system-creation

| Creates comprehensive design systems with typography, colors, components, and documentation for consistent UI development. Use when establishing design standards, building component libraries, or ensuring cross-team consistency.

secondsky
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Adoption

Agent Skills are supported by leading AI development tools.

FAQ

Frequently asked questions about Agent Skills.

01

What are Agent Skills?

Agent Skills are reusable, production-ready capability packs for AI agents. Each skill lives in its own folder and is described by a SKILL.md file with metadata and instructions.

02

What does this agent-skills.md site do?

Agent Skills is a curated directory that indexes skill repositories and lets you browse, preview, and download skills in a consistent format.

03

Where are skills stored in a repo?

By default, the site scans the skills/ folder. You can also submit a URL that points directly to a specific skills folder.

04

What is required inside SKILL.md?

SKILL.md must include YAML frontmatter with at least name and description. The body contains the actual guidance and steps for the agent.

05

How can I submit a repo?

Click Submit in the header and paste a GitHub URL that points to a skills folder. We’ll parse it and add any valid skills to the directory.