> browse/registry

> ai-sdk-5

Vercel AI SDK 5 patterns. Trigger: When building AI chat features - breaking changes from v4.

> django-perf-review

Django performance code review. Use when asked to "review Django performance", "find N+1 queries", "optimize Django", "check queryset performance", "database performance", "Django ORM issues", or audit Django code for performance problems.

> pinme

This skill should be used when the user asks to "deploy", "upload", "publish", or "pin" any files, folders, frontend projects, or static websites to IPFS. Also activates when user mentions "pinme", "IPFS", or wants to share files via decentralized storage.

> opus-4-5-migration

Migrate prompts and code from Claude Sonnet 4.0, Sonnet 4.5, or Opus 4.1 to Opus 4.5. Use when the user wants to update their codebase, prompts, or API calls to use Opus 4.5. Handles model string updates and prompt adjustments for known Opus 4.5 behavioral differences. Does NOT migrate Haiku 4.5.

> systematic-debugging

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes

> semantic-scholar

semantic-scholar skill from guhaohao0991/PaperClaw

Create polished PowerPoint (.pptx) presentations directly from a topic or content description. Uses HTML as an invisible internal design intermediate — the HTML is never shown to the user. The final and only deliverable is a .pptx file saved to outputs/. Use this skill whenever the user asks to: make a PPT / PowerPoint / 幻灯片 / 演示文稿, generate slides about a topic, or turn any content into a presentation deck. Supports Chinese and English. Always outputs .pptx, never HTML.

> microsoft-typescript

TypeScript is a language for application scale JavaScript development. ALWAYS use when editing or working with *.ts, *.tsx, *.mts, *.cts files or code importing "typescript". Consult for debugging, best practices, or modifying typescript, TypeScript.

Implements OAuth 2.0/2.1 authorization flows in Fastify applications — configures authorization code with PKCE, client credentials, device flow, refresh token rotation, JWT validation, and token introspection/revocation endpoints. Use when setting up authentication, authorization, login flows, access tokens, API security, or securing Fastify routes with OAuth; also applies when troubleshooting token validation errors, mismatched redirect URIs, CSRF issues, scope problems, or RFC 6749/6750/7636/8

> terraform-test

Comprehensive guide for writing and running Terraform tests. Use when creating test files (.tftest.hcl), writing test scenarios with run blocks, validating infrastructure behavior with assertions, mocking providers and data sources, testing module outputs and resource configurations, or troubleshooting Terraform test syntax and execution.

> prd-increment-writer

Guide users from a rough product idea to a complete, standardized PRD with minimal user input. Use when a user needs Codex to construct a detailed PRD, auto-assign increment metadata, and auto-split child epics mapped to functional requirements and acceptance criteria for downstream Jira planning.

> database-redis

Optimize Redis caching, key management, and performance. Use when implementing Redis caching strategies, managing key namespaces, or optimizing Redis performance. (triggers: **/*.ts, **/*.js, **/redis.config.ts, redis, cache, ttl, eviction)

> reviewing-cli-command

Provides checklist for reviewing Typer CLI command implementations. Covers structure, Annotated syntax, error handling, exit codes, display module usage, destructive action patterns, and help text conventions. Use when user asks to review/check/verify a CLI command, wants feedback on implementation, or asks if a command follows best practices.

> wechat-article-formatter

将 Markdown 文章转换为微信公众号 HTML 格式，支持自动插入配图、微信样式优化。

> codex-oss-maintainer-toolkit

Build Codex-native workflows for open-source maintenance. Use when creating AGENTS.md guidance, maintainer skills, issue triage flows, PR review prompts, release-note routines, or repository verification scripts.

> defold-scripts-editing

Creates and edits Defold Lua script files (.script, .gui_script, .render_script, .editor_script) and plain Lua modules (.lua). Use when asked to create, modify, or configure any Defold script or Lua module.

> gpt-image-1-5

Generate and edit images using OpenAI's GPT Image 1.5 model. Use when the user asks to generate, create, edit, modify, change, alter, or update images. Also use when user references an existing image file and asks to modify it in any way (e.g., "modify this image", "change the background", "replace X with Y"). Supports text-to-image generation and image editing with optional mask. DO NOT read the image file first - use this skill directly with the --input-image parameter.

> step-functions

AWS Step Functions workflow orchestration with state machines. Use when designing workflows, implementing error handling, configuring parallel execution, integrating with AWS services, or debugging executions.

> pomodoro

Simple Pomodoro timer for focused work sessions with session tracking and productivity analytics. Use when users request focus timers, ask about productivity patterns, or want to track work sessions over time. Demonstrates the System Skill Pattern (CLI + SKILL.md + Database).

> rigorous-coding

Apply rigorous coding standards. Use when writing, implementing, or reviewing code.