Skills for Codex

213,591 that install into Codex. Same mod, same page, whichever agent you run: a URL per tool would split one page into five that compete.

eferro/augmentedcode-skills

Skill Claude CodeCodex

Mutation testing patterns for Python using mutmut. Use when analyzing Python code to find weak or missing tests, verifying pytest effectiveness, strengthening Python test suites, or validating TDD workflows in Python projects.

not rated 24 7mo ago A 43 tokens

fredrikc3-sketch/VibeConfigStarterKit

Skill Claude CodeCodex

NON-NEGOTIABLE compliance gate for any project that configures D365 Finance modules (General Ledger, AP, AR, Fixed Assets, Cash & Bank, Tax, Budgeting, Project Accounting, Expense). Captures the customer's applicable accounting and regulatory frameworks (US GAAP, IFRS, local GAAPs, SOX, ASC 606 / IFRS 15, ASC 842 /…

not rated 24 4mo ago A 210 tokens

skill-issue

7779

krispuckett/skill-issue

Skill Claude CodeCodex

Audit and review all installed agent skills. Run on-demand or via cron to get a health report: skill inventory, usage tracking, version checks, dependency health, and actionable recommendations (keep, update, review, remove). Use when asked to review skills, check for skill updates, find unused skills, or audit the…

not rated 24 7mo ago A 70 tokens original MIT

SPA3K/Xue-Feng-Skill

Skill Claude CodeCodex

A decision guide for choosing a university major after China’s national college entrance exam, known as the gaokao. It is based on analysis of more than 200 publicly shared teaching videos by Zhang Xuefeng.

not rated 24 5mo ago A 42 tokens original MIT

tomismeta/aperture

Skill Claude CodeCodex

Run Aperture Lab F-Stop on imported public trajectories, prepare review artifacts, compare disagreements, and propose bounded semantic-layer improvements under strict replay gates.

not rated 24 11d ago A SkillSpector: warn 38 tokens original MIT

valyu-best-practices

7782

valyuAI/skills

Skill Claude CodeCodex

Complete Valyu API toolkit for AI agents. Use this skill when asked to perform real-time search across web, academic, medical, transportation, financial sources, content extraction from URLs, AI-powered answers with citations, or comprehensive deep research reports.

not rated 24 8mo ago D Socket: passSnyk: warn 55 tokens

azure

7783

clawdata/clawdata

Skill Claude CodeCodex

Manage Azure cloud resources -- resource groups, storage, databases, functions, and data services using the az CLI.

not rated 24 6mo ago A 24 tokens

watch-anything

7784

heyuxuan0209/watch-anything

Skill Claude CodeCodex

A skill for understanding videos and other rich media from X, YouTube, and Bilibili. It prefers existing subtitles and can fall back to speech transcription before producing a Chinese explanation.

not rated 24 1mo ago A 182 tokens original MIT

lab

7785

beihaizzz/labmate.skill

Skill Claude CodeCodex

A LabMate workflow skill for university experiments and reports. It provides commands for starting, doing, guiding, updating, and reviewing lab work, including document templates and guides.

not rated 24 3mo ago A 96 tokens

raycast-script-creator

7786

drpedapati/raycast-script-creator

Skill Claude CodeCodex

Create valid Raycast script-commands that integrate with the Raycast launcher. Use this skill when users request creating Raycast scripts, automation commands for Raycast, or workflow shortcuts for the Raycast app. This skill ensures all outputs conform to Raycast's required metadata format and structural conventions.

not rated 24 10mo ago C 64 tokens original MIT

swift-mlx-lm

7787

PicoMLX/mlx-swift-lm-skill

Skill Claude CodeCodex

MLX Swift LM - Run LLMs and VLMs on Apple Silicon using MLX. Covers local inference, streaming, wired memory coordination, tool calling, LoRA fine-tuning, embeddings, and model porting.

not rated 24 6mo ago A 52 tokens copy · 100% MIT

typesetter

7788

Wamikmk/typesetter

Skill Claude CodeCodex

Turn any content into a beautifully typeset, single-file HTML document in the user's established reading design (warm paper, serif body, blueprint accents), because the user finds raw markdown daunting to read. PRIMARY TRIGGER is the slash command "/paper [topic or content]": when the user types this, ALWAYS trigger…

not rated 24 2mo ago A 0 tokens

fast-edit

7789

includewudi/fast-edit

Skill Claude CodeCodex

A tool for editing large files, making batch changes, writing files from pasted or standard-input text, and checking, undoing, rolling back, or restoring edits.

not rated 24 6mo ago A 57 tokens

diagram

7790

vudinh155/excali-diagram

Skill Claude CodeCodex

Create visual diagrams as Excalidraw files (.excalidraw) that ARGUE visually — process flowcharts, system architecture & data pipeline diagrams, sequence/timeline/lifecycle diagrams, mindmaps/org charts/hierarchy trees/entity-relationship (ER) diagrams. Use this skill when the user wants to "draw a diagram", "make a…

not rated 24 3mo ago A 153 tokens original Apache-2.0

pretty-html-ppt

7791

XshuiAi/Pretty-HTML-PPT

Skill Codex

Create polished standalone HTML presentation decks using the Pretty HTML PPT template library. Use when turning notes, scripts, reports, self-media outlines, portfolios, work summaries, academic/business/government/finance-tech materials, product proposals, course products, creator demos, or Feishu docs into visual…

not rated 24 1mo ago A 135 tokens

mckinsey-consultant

7792

pennypny163/mbb-deck-builder

Skill Claude CodeCodex

A structured business-problem-solving method based on McKinsey-style analysis, including issue trees, hypotheses, and research reports or presentations.

not rated 24 4mo ago A 82 tokens copy · 89% MIT

tinker-inkling

7793

gvkhosla/pi-tinker

Skill Claude CodeCodex

Sample, evaluate, and post-train Inkling and Inkling-Small from Pi. Use when the user mentions Inkling, tml-renderers, TMLv0, thinking effort, Inkling-Small, or Inkling audio/images. Load before writing Inkling training or eval code.

not rated 24 5d ago A SkillSpector: pass 66 tokens original Apache-2.0

flet-development

7794

HnBigVolibear/awesome-flet-development-skill

Skill Claude CodeCodex

This skill should be used when developing desktop/web applications with Flet; encountering Flet 1.0+ version compatibility issues; migrating from Flet 0.x to 1.0+; encountering API errors with Tabs/Badge/Radio/BorderRadius controls; needing guidance on Flet animations, async operations, or layouts. Covers Flet 0.82.0+…

not rated 24 6mo ago A 92 tokens original MIT

alanl1234/xiaohongshu-matrices-cli

Skill Claude CodeCodex

A command-line guide for Xiaohongshu, also called Little Red Book, a Chinese social-media platform for notes, profiles, and interactions.

not rated 24 1mo ago A 66 tokens original Apache-2.0

first-principles

7796

reshadat/first-principles-destructor

Skill Claude CodeCodex

First principles destructor — strips any statement, business model, product idea, process, or industry belief down to its physics/math/logic floor. Calculates the convention tax (what you pay because of habit vs necessity). Rebuilds from reality. Use when evaluating pricing, hiring timelines, product approaches, team…

not rated 24 3mo ago A 106 tokens original MIT

skill-creator

7797

Second-Order-Systems/Dystil

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.

not rated 24 19d ago A 64 tokens copy · 88% Apache-2.0

hu-chen-feng-skill

7798

123pyLeo/hu-chen-feng-skill

Skill Claude CodeCodex

A Chinese-language framework for judging decisions through practical constraints, evidence, returns, risks, and ordinary people's circumstances. It is associated with the direct analytical style of Hu Chenfeng.

not rated 24 5mo ago A 115 tokens original MIT

git-operations

7799

BuildrAI/Buildr

Skill Claude CodeCodex

A tool for carrying out one Git operation that has already been selected, such as fetch, rebase, commit, push, or commit and push. Git is the system that records code history and shares it with remote repositories.

not rated 24 changed 4d ago A SkillSpector: pass 34 tokens original MIT

vibe-coding-prd

7800

1killermouse/vibe-coding-prd-skill

Skill Codex

A guide for turning product requirements, competitor research, ideas, or documents into a short Markdown plan that coding agents can follow.

not rated 24 2mo ago A 119 tokens

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: