anthropic for Codex

8,394 mods tagged anthropic that install into Codex, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.

Also for Codex: Git and workflow · Python · Web3 and blockchain · React · TypeScript · Go · openai · android · docker · Rust · bun · Localization

fable-native-code

145

DizzyMii/fable-skills

Skill Claude CodeCodex

Use when writing or editing code in an existing codebase — before adding comments, docstrings, try/catch blocks, validation, logging, or TODOs the surrounding file doesn't have, and before explaining your style choices in the reply.

not rated 56 1mo ago A SkillSpector: pass 52 tokens original MIT

council-review

146

SamJHudson01/Carmack-Council

Skill Claude CodeCodex

Perform a rigorous Carmack Council code review. Use when explicitly asked to review code, do a "council review", "carmack review", or invoke /council-review. Carmack's philosophy chairs a council of domain experts — Troy Hunt (security), Martin Fowler (refactoring), Kent C. Dodds (frontend), Matteo Collina (Node.js)…

not rated 55 +1 7mo ago A 166 tokens original MIT

cubepi-trace

147

cubeplexai/cubepi

Skill Claude CodeCodex

Use when debugging a cubepi/cubebox agent run — a missing final reply, a tool that misbehaved, a 4xx from the model, wrong token/cache numbers, or "why did the agent do that?". Reads the JSONL traces cubepi writes per run via the cubepi trace CLI (ls / view / follow / stats) to inspect the span tree, errors, tool…

not rated 54 2mo ago A SkillSpector: warn 129 tokens original MIT

perplexity-comet-mcp

148

RapierCraft/Perplexity-Comet-MCP

MCP server Claude CodeCodexCursor +2

Bridge Claude Code with Perplexity Comet for autonomous browsing and tab management. Runs locally from the perplexity-comet-mcp npm package. Needs 2 environment variables to run.

not rated 53 4mo ago A tokens not measured original MIT

claude-code-eyes

150

fcavalcantirj/claude-code-eyes

Skill Claude CodeCodex

Look at real hardware, screens, panels, and wiring on a desk or workbench through a camera, so Claude can SEE physical output that no unit test, log, or API can. Use whenever the user says "are you seeing this?", "olha isso", "look at this", "watch this", "can you see...", "check the camera", "look at the screen" /…

not rated 52 2mo ago B 214 tokens original MIT

AshExplained/roblox-skills

Skill Claude CodeCodex

Orchestrate the full Roblox game development lifecycle. Use as the umbrella entrypoint for broad requests like create a Roblox game, build a new game, continue development, what should we do next, take this from idea to launch, make this game profitable, plan the roadmap, manage production, or maintain a live Roblox…

not rated 50 +6 4mo ago A 84 tokens original MIT

latent-potential

152

petekp/claude-code-setup

Skill Claude CodeCodex

First-principles, team-of-experts assessment of a software project that surfaces latent potential; underexploited assets, a sharper north star, missing high-leverage capabilities, better framing and messaging. Produces a prioritized, evidence-grounded report with cheap probes, a reframe candidate, a stop-doing list…

not rated 49 +1 changed 15d ago A SkillSpector: pass 191 tokens original MIT

ai-native

153

tianji-qingtian/AI-Native

Skill Claude CodeCodex

A framework for creating and managing AI-native workflows tailored to specific fields. It includes concepts such as intent refinement, quality agreements, phases, decisions, batches, and teams of AI agents.

not rated 48 6mo ago A 218 tokens

aetox-slides

154

Mikedev115/Aetox

Skill Claude CodeCodex

สไลด์และงานนำเสนอในแอตทอกซ์, เด็คคือไฟล์ .html เดียวที่เปิดในห้องสไลด์ แล้วเปิดหน้า นำเสนอเต็มจอ ส่งออก .pptx .pdf รูป ได้จากตรงนั้น. อ่านตัวนี้ก่อนเขียนเด็คเสมอ ถึงจะมีสกิลสไลด์ตัวอื่นติดตั้งอยู่ก็ตาม เพราะพวกนั้นเขียนไว้สำหรับไฟล์ที่เปิดเดี่ยว ๆ ในเบราว์เซอร์ ส่วนนี่คือข้อเท็จจริงของห้องนี้ที่อ่านจากไฟล์เองไม่ได้.…

not rated 48 changed 1mo ago A 181 tokens

core-web-vitals

155

frankxai/claude-skills-library

Skill Claude CodeCodex

Measure and hold a real performance budget on a web page — LCP, INP, CLS, bundle weight, font and image loading. Use when a change touches images, fonts, above-the-fold markup, client components, third-party scripts, or any list that can grow; when a page feels slow; or before shipping a new landing page or hero.…

not rated 47 +1 changed 22d ago A 106 tokens original MIT

deep-brainstorming

156

belumume/claude-skills

Skill Claude CodeCodex

Use when brainstorming a product or feature where multiple valid technology choices exist and the wrong one is costly, when the user asks for 'objectively best' or 'highest quality', or when the domain has tools/frameworks where marketing or popularity biases could mislead research agents. Also use when starting…

not rated 46 3d ago A 96 tokens

sota-scan

157

MerlijnW70/sota-scan

Skill Claude CodeCodex

Benchmark the current repo against the state of the art by scanning real online repos (GitHub and the wider web) in the same domain, then produce a cited capability matrix and a ranked, repo-grounded gap list. Use when the user asks "is our X top-tier", "what are we missing", "compare us to the best", "study online…

not rated 46 4mo ago A 89 tokens original MIT

ad-copy

158

robpalmer99/claude-code-copywriting-skills

Skill Claude CodeCodex

Write high-converting Meta (Facebook + Instagram) ad copy — primary text, headlines, descriptions, and UGC/video ad scripts. Use this skill whenever the user asks to write, rewrite, or brainstorm Meta ads, Facebook ads, Instagram ads, ad hooks, ad captions, ad primary text, UGC scripts, video ad scripts, talking head…

not rated 46 +1 5mo ago A 147 tokens

mcp-apple-music

159

Cifero74/mcp-apple-music

MCP server Claude CodeCodexCursor +2

MCP Server for Apple Music — search, library, playlist management via Claude. Runs locally from the mcp-apple-music-server Python package. Needs 5 environment variables to run.

not rated 45 +1 15d ago A tokens not measured original MIT

crucible

160

mshadmanrahman/claudecode-guide

Skill Claude CodeCodex

Stress-test an idea under pressure by convening a multi-persona council that debates, rebuts, and returns a verdict. Use for heavy-lift decisions like side-project strategy, product direction, career moves, or any question where the cost of being wrong is high. Triggers on "crucible", "/crucible", "run this through…

not rated 45 2d ago A 114 tokens original MIT

diy-tools

161

hesreallyhim/diy-tools-mcp

MCP server Claude CodeCodexCursor +2

MCP server "diy-tools" as configured in hesreallyhim/diy-tools-mcp. Runs /path/to/diy-tools-mcp/dist/index.js with node.

not rated 44 3d ago A tokens not measured original MIT

mastra

162

Array-Ventures/coworker

Skill Claude CodeCodex

Comprehensive Mastra framework guide. Teaches how to find current documentation, verify API signatures, and build agents and workflows. Covers documentation lookup strategies (embedded docs, remote docs), core concepts (agents vs workflows, tools, memory, RAG), TypeScript requirements, and common patterns. Use this…

not rated 44 8mo ago A 83 tokens original Apache-2.0

niubiskill

163

nathanskill/niubiskill

Skill Codex

Find the most valuable commercial insight and the monetization point closest to lawful revenue for a project, product, service, website, community, content account, open-source tool, or business idea. Use when a user asks how to monetize, who pays, why people do not buy, what to charge, whether to keep building, what…

not rated 43 12d ago A SkillSpector: pass 161 tokens original Apache-2.0

business-plan

164

inbharatai/claude-skills

Skill Claude CodeCodex

Write comprehensive business plans — executive summary, market analysis, financial projections, and competitive positioning.

not rated 43 +1 7mo ago A 21 tokens original MIT

mnemo

165

omermaksutii/mnemo

Skill Claude CodeCodex

Persistent memory for the current session. Use this skill whenever the user asks you to remember a fact, recall something they told you before, or when starting work where prior context might exist (conventions, decisions, file purposes, preferences).

not rated 42 +1 4mo ago A 50 tokens original MIT

genexus

166

lennix1337/Genexus18MCP

MCP server Claude CodeCodexCursor +2

Read, edit, and analyze GeneXus 18 KB objects from Claude, Cursor, and AI agents. Runs locally from the genexus-mcp npm package.

not rated 42 +2 yesterday A tokens not measured original MIT

prompt-polish

167

mfarzanansari/prompt-polish

Skill Codex

Rewrite a rough prompt into a polished, model-specific prompt grounded in the official Anthropic prompting guides. Use when the user invokes prompt-polish, types an invocation like "prompt-polish/FABLE 5/[prompt]" or "prompt-polish/OPUS 4.8/[prompt]", or asks to polish, improve, rewrite, optimize, or tune a prompt for…

not rated 41 3mo ago A 146 tokens original MIT

manual

168

yaodub/cast

Skill Claude CodeCodex

Texting as a person's proxy — reading threads, sending irreversibly, and watching conversations without over-answering.

not rated 41 2mo ago B 22 tokens original MIT

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: