Agent Skills

session-report

✓★ 31,500

by anthropic

Generate an explorable HTML report of Claude Code session usage (tokens, cache, subagents, skills, expensive prompts) from ~/.claude/projects transcripts.

skill-creator

✓★ 31,500

by anthropic

Create, test, and iteratively improve AI agent skills with structured evaluation and benchmarking. Guides you through the full skill development lifecycle: intent capture, draft writing, test case creation, evaluation, and iteration based on user feedback Runs quantitative benchmarks comparing skill-enabled vs. baseline performance, with timing and token usage analysis across multiple test cases Generates an interactive browser-based review tool for qualitative evaluation — side-by-side...

frontend-design

✓★ 31,500

by anthropic

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or…

math-olympiad

✓★ 31,500

by anthropic

Solve competition math problems (IMO, Putnam, USAMO, AIME) with adversarial

playground

✓★ 31,500

by anthropic

Creates interactive HTML playgrounds — self-contained single-file explorers that let users configure something visually through controls, see a live preview,…

session-report

✓★ 31,500

by anthropic

Generate an explorable HTML report of Claude Code session usage (tokens, cache, subagents, skills, expensive prompts) from ~/.claude/projects transcripts.

skill-creator

✓★ 31,500

by anthropic

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an…

skill-development

✓★ 31,500

by anthropic

This skill should be used when the user wants to "create a skill", "add a skill to plugin", "write a new skill", "improve skill description", "organize skill…

agent-development

✓★ 31,500

by anthropic

Comprehensive guide for building autonomous agents in Claude Code plugins with structured frontmatter, system prompts, and triggering conditions. Agents are autonomous subprocesses defined in markdown files with YAML frontmatter; use them for multi-step independent work, not user-initiated commands Required frontmatter fields: name (3–50 lowercase-hyphenated characters), description (with 2–4 concrete triggering examples), model (inherit/sonnet/opus/haiku), and color...

example-skill

✓★ 31,500

by anthropic

This skill should be used when the user asks to "demonstrate skills", "show skill format", "create a skill template", or discusses skill development patterns.…

plugin-structure

✓★ 31,500

by anthropic

This skill should be used when the user asks to "create a plugin", "scaffold a plugin", "understand plugin structure", "organize plugin components", "set up…

m5-onboard

✓★ 31,500

by anthropic

End-to-end onboarding for a freshly-plugged-in M5Stack ESP32 device (Cardputer, Cardputer-Adv, Core, CoreS3, Stick) — detect on USB, flash UIFlow 2.0 firmware,…

mcp-integration

✓★ 31,500

by anthropic

This skill should be used when the user asks to "add MCP server", "integrate MCP", "configure MCP in plugin", "use .mcp.json", "set up Model Context Protocol",…

csv-workbench

✓★ 27,600

by openai

Analyze CSV files in /mnt/data and return concise numeric summaries.

docs-sync

✓★ 27,600

by openai

Analyze main branch implementation and configuration to find missing, incorrect, or outdated documentation in docs/. Use when asked to audit doc coverage, sync…

openai-knowledge

✓★ 27,600

by openai

Use when working with the OpenAI API (Responses API) or OpenAI platform features (tools, streaming, Realtime API, auth, models, rate limits, MCP) and you need…

prior-auth-packet-builder

✓★ 27,600

by openai

Build a concise prior authorization packet from local case files and payer policy docs.

test-coverage-improver

✓★ 27,600

by openai

Improve test coverage in the OpenAI Agents Python repository: run `make coverage`, inspect coverage artifacts, identify low-coverage files, propose high-impact…

final-release-review

✓★ 27,600

by openai

Perform a release-readiness review by locating the previous release tag from remote tags and auditing the diff (e.g., v1.2.3...<commit>) for breaking changes,…

hatch-pet

✓★ 23,200

by openai

Create, repair, validate, preview, and package Codex-compatible animated pets and pet spritesheets from character art, screenshots, generated images, or visual…

security-best-practices

✓★ 23,200

by openai

Language and framework-specific security reviews with actionable vulnerability detection and fix guidance. Supports Python, JavaScript/TypeScript, and Go with framework-specific best practices loaded from a references directory Operates in three modes: secure-by-default code generation, passive vulnerability detection during development, and full security audit reports with severity prioritization Generates detailed markdown reports with line-number references, impact statements, and numeric...

yeet

✓★ 23,200

by openai

Use only when the user explicitly asks to stage, commit, push, and open a GitHub pull request in one flow using the GitHub CLI (`gh`).

plugin-creator

✓★ 23,200

by openai

Create and scaffold plugin directories for Codex with a required `.codex-plugin/plugin.json`, optional plugin folders/files, and baseline placeholders you can…

security-ownership-map

✓★ 23,200

by openai

Analyze git repositories to build a security ownership topology (people-to-file), compute bus factor and sensitive-code ownership, and export CSV/JSON for…

skill-installer

✓★ 23,200

by openai

Install Codex skills from curated lists or custom GitHub repositories into your local skills directory. List available skills from the default curated collection or experimental/custom paths; installed skills are annotated in the output Install individual skills by name from the curated list, or install multiple skills from any GitHub repo (public or private) using repo paths or URLs Supports git sparse checkout as a fallback for authentication-protected repos; uses existing git credentials...

notion-meeting-intelligence

✓★ 23,200

by openai

Prepare meeting materials with Notion context and Codex research; use when gathering context, drafting agendas/pre-reads, and tailoring materials to attendees.

notion-research-documentation

✓★ 23,200

by openai

Research Notion content and synthesize into structured briefs, reports, or comparisons with citations. Search and fetch Notion pages using targeted queries, then organize findings by theme with inline source citations and a references section Choose from four output formats (quick brief, research summary, comparison, comprehensive report) based on scope and user goal Create and update Notion pages using built-in templates; link sources directly and track changes as new information arrives...

migrate-to-codex

✓★ 23,200

by openai

Migrate supported instruction files, skills, agents, and MCP config into Codex project and global files.

transcribe

✓★ 23,200

by openai

Transcribe audio files to text with optional speaker diarization and known-speaker hints. Supports fast text transcription via gpt-4o-mini-transcribe and speaker-labeled diarization via gpt-4o-transcribe-diarize Accepts multiple audio formats and optional known-speaker references (up to 4 speakers) to improve diarization accuracy Outputs as plain text, JSON, or diarized JSON with configurable output directories to prevent overwrites Requires OPENAI_API_KEY environment variable; uses bundled...

winui-app

✓★ 23,200

by openai

Bootstrap, develop, and design modern WinUI 3 desktop applications with C# and the Windows App SDK using official Microsoft guidance, WinUI Gallery patterns,…