Everything for Codex

Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 414,595 indexed, measured the same four ways as everything else here.

pr-test

49

Significant-Gravitas/AutoGPT

Skill Claude CodeCodex

E2E manual testing of PRs/branches using docker compose, agent-browser, and API calls. TRIGGER when user asks to manually test a PR, test a feature end-to-end, or run integration tests against a running system.

187k 2d ago A 51 tokens

AutoGPT AGENTS.md

50

Significant-Gravitas/AutoGPT

Instructions file CodexOpenCode

AGENTS.md instructions for Significant-Gravitas/AutoGPT, covering autogpt platform contribution guide, directory overview, code style, frontend guidelines and testing.

187k 2d ago A 905 tokens

avelino/awesome-go

Instructions file CodexOpenCode

Instructions for avelino/awesome-go, covering awesome-go · llm contribution guide, project snapshot, when modifying the awesome list, coding guidelines and testing & validation.

183k 2d ago A 624 tokens original MIT

ollama AGENTS.md

52

ollama/ollama

Instructions file CodexOpenCode

Instructions for ollama/ollama, covering agents.md and building.

180k 3d ago A 91 tokens original MIT

release-notes

53

ollama/ollama

Skill Claude CodeCodex

Draft concise release notes.

180k 3d ago A 9 tokens original MIT

flutter-cherry-pick

54

flutter/flutter

Skill Claude CodeCodex

How to land a formal cherry-pick of a merged PR for the flutter/flutter repo stable or beta channel. Only use for flutter/flutter landed pull requests. Only use when the cherry pick request is into "stable", "beta" or a branch that has the format with flutter- . -candidate.0.

179k yesterday A 72 tokens original BSD-3-Clause

shepherd-prs

55

flutter/flutter

Skill Claude CodeCodex

Automate shepherding, checking status, updating branches, and landing open PRs or approved third-party contributor PRs in the flutter/flutter repository using the gh CLI. When to use: - When you need to check the status of open PRs or shepherded third-party PRs. - When you need to update stale branches or apply the…

179k yesterday A 124 tokens original BSD-3-Clause

flutter/flutter

Skill Claude CodeCodex

Upgrades Flutter's Android SDK dependency to a new Android API version (or preview/canary release) in packages.txt, verifies CIPD tag uniqueness, and packages/uploads the binaries using createcipdpackages.sh across macOS, Linux, and Windows. Use whenever a user wants to pick up a new version of Android or upload…

179k yesterday A 80 tokens original BSD-3-Clause

firecrawl AGENTS.md

57

firecrawl/firecrawl

Instructions file CodexOpenCode

AGENTS.md instructions for firecrawl/firecrawl: Firecrawl is a web scraper API. The directory you have access to is a monorepo.

175k +394 yesterday A 363 tokens AGPL-3.0

firecrawl/firecrawl

Skill Claude CodeCodex

Get Firecrawl credentials and SDK setup into a project. Use when an application needs FIRECRAWLAPIKEY, when an agent should add Firecrawl to .env, when the user wants to authenticate Firecrawl for app code, or when choosing the first SDK and docs for a new Firecrawl integration. This skill includes its own browser…

175k +394 yesterday A 89 tokens AGPL-3.0

firecrawl/firecrawl

Skill Claude CodeCodex

Integrate Firecrawl /scrape into product code for single-page extraction. Use when an app already has a URL and needs markdown, HTML, links, screenshots, metadata, or structured page output. Prefer this skill over broader crawl patterns when the feature is page-level.

175k +394 yesterday A 62 tokens AGPL-3.0

firecrawl-build

60

firecrawl/firecrawl

Skill Claude CodeCodex

Integrate Firecrawl into application code whenever a product, agent, or workflow needs web data inside the app — web search, live search results, page scraping, structured extraction, or browser interaction. Use when building any feature that needs data from the web in code, even if the user does not mention Firecrawl…

175k +394 yesterday A 149 tokens AGPL-3.0

algorithmic-art

61

anthropics/skills

Skill Claude CodeCodex

Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright…

173k +305 10d ago A 62 tokens

claude-api

62

anthropics/skills

Skill Claude CodeCodex

Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration. TRIGGER — read BEFORE opening the target file; don't skip because it "looks like a one-liner" — whenever: the prompt names Claude/Anthropic in any form (Claude…

173k +305 10d ago A 294 tokens

skill-creator

63

anthropics/skills

Skill Claude CodeCodex

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 existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

173k +305 10d ago A 64 tokens

book-translation

64

f/prompts.chat

Skill Claude CodeCodex

Translate "The Interactive Book of Prompting" chapters and UI strings to a new language.

168k +145 yesterday A 21 tokens

widget-generator

65

f/prompts.chat

Skill Claude CodeCodex

Generate customizable widget plugins for the prompts.chat feed system.

168k +145 yesterday A 13 tokens

f/prompts.chat

Instructions file CodexOpenCode

AGENTS.md instructions for f/prompts.chat, covering agents.md, project overview, tech stack, project structure and commands.

168k +145 yesterday A 2,226 tokens

prompt-lookup

67

f/prompts.chat

Skill Claude CodeCodex

Activates when the user asks about AI prompts, needs prompt templates, wants to search for prompts, or mentions prompts.chat. Use for discovering, retrieving, and improving prompts.

168k +145 yesterday A 39 tokens

huggingface/transformers

Skill Claude CodeCodex

Fixes broken typing checks detected by ty, make typing, or make check-repo. Use when typing errors appear in local runs, CI, or PR logs.

165k 2d ago A 41 tokens original Apache-2.0

huggingface/transformers

Instructions file CodexOpenCode

Instructions for huggingface/transformers, a project described as: 🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

165k 2d ago A 5 tokens original Apache-2.0

backend-code-review

70

langgenius/dify

Skill Claude CodeCodex

Use only when the user explicitly requests a review or audit of backend code under api/. Supports pending-change, file-focused, and pasted-diff reviews. Do not use for implementation-only requests, diagnosis without review intent, frontend code, or backend code outside api/.

154k yesterday A 60 tokens

langgenius/dify

Skill Claude CodeCodex

Use only when the user explicitly requests a review or audit of frontend code under web/ or packages/dify-ui/. Supports pending-change, file-focused, and pasted-diff reviews. Do not use for implementation-only requests, diagnosis without review intent, or backend-only code.

154k yesterday A 62 tokens

langgenius/dify

Skill Claude CodeCodex

Use when implementing or refactoring React/TypeScript components and the task requires decisions about component ownership, feature boundaries, state, data flow, effects, or interaction ownership. Do not use for review-only requests, test-only work, copy-only edits, or styling-only changes.

154k yesterday A 60 tokens