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. 281,743 indexed, measured the same four ways as everything else here.

effect

2689

kitlangton/skills

Skill Claude CodeCodex

Opinionated guide for building production TypeScript applications with Effect v4. Use when implementing Effect workflows, services, layers, schemas, configuration, schedules, caches, streams, HTTP clients, or tests.

not rated 355 +2 changed 1mo ago A Socket: passSnyk: passSkillSpector: pass 42 tokens original MIT

example-skill

2690

Harries/skills-desktop

Skill Claude CodeCodex

A small set of instructions named “example-skill,” from a collection of desktop skills. The description does not explain what tasks it performs.

not rated 354 6mo ago A 0 tokens

docs-langchain

2691

langchain-ai/langchain-aws

MCP server Claude CodeCodexCursor +2 ✓ vendor

One of 2 in .mcp.json

MCP server "docs-langchain", hosted remotely at docs.langchain.com, as configured in langchain-ai/langchain-aws.

not rated 354 3d ago A tokens not measured copy · 100% MIT

blazediff

2692

teimurjan/blazediff

Skill Claude CodeCodex

Run, author, or update BlazeDiff visual regression tests. Trigger on "visual test", "screenshot regression", "blazediff", "/blazediff".

not rated 354 changed 1mo ago A SkillSpector: warn 37 tokens original MIT

image-to-code

2693

yuzhworkhard-wq/image-to-code

Skill Codex

A workflow for turning a provided user-interface image into responsive website code and separate high-resolution PNG assets. It treats the image as the exact visual reference and uses a 750-pixel-wide design basis.

not rated 354 5mo ago A 158 tokens original MIT

forge_extension

2694

llt22/talkio

MCP server Claude CodeCodexCursor +2

MCP server "forgeextension", hosted remotely at localhost, as configured in llt22/talkio.

not rated 354 +6 8d ago A tokens not measured original MIT

android-development

2695

dpconde/claude-android-skill

Skill Claude CodeCodex

Create production-quality Android applications following Google's official architecture guidance and NowInAndroid best practices. Use when building Android apps with Kotlin, Jetpack Compose, MVVM architecture, Hilt dependency injection, Room database, or multi-module projects. Triggers on requests to create Android…

not rated 354 +4 11mo ago A 76 tokens original MIT

hqbase

2696

HQBase/hqbase

MCP server Claude CodeCodexCursor +2

Connect AI agents to your self-hosted HQBase shared email workspace. Remote server at {installation_domain}.

not rated 354 +1 28d ago A tokens not measured AGPL-3.0

aws-knowledge

2697

YoshiiRyo1/document-templates-for-aws

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

MCP server "aws-knowledge", hosted remotely at knowledge-mcp.global.api.aws, as configured in YoshiiRyo1/document-templates-for-aws.

not rated 353 8mo ago A tokens not measured original Unlicense

mindpocket

2698

jihe520/mindpocket

Skill Claude CodeCodex

Use when a task requires operating the MindPocket CLI to inspect server readiness, authenticate, and retrieve or manage bookmarks, folders, or the current user through structured JSON commands.

not rated 353 3mo ago A 38 tokens

wangmarket-dev

2699

xnx3/wangmarket

Skill Claude CodeCodex

A project-specific guide for developing and maintaining wangmarket, a Chinese e-commerce platform, or projects with the same folder structure. It covers installation, running the project, templates, plugins, JSP/Spring Boot changes, and troubleshooting.

not rated 353 10d ago A 106 tokens

phoronix-test-suite

2700

intel/intel-performance-skills

Skill Claude CodeCodex ✓ vendor

Install, run, parse, and optimize benchmarks from the Phoronix Test Suite (PTS). Use this skill whenever the user mentions "phoronix", "pts/", or "phoronix-test-suite", or asks to run, measure, improve, or optimize a PTS test — e.g., "run pts/mt-dgemm", "optimize pts/compress-zstd", "what score does pts/x265 get".…

not rated 353 +1 1mo ago A 137 tokens

web-performance

2701

millionco/debug-agent

Skill Claude CodeCodex

Use when the user reports jank, dropped frames, janky scrolling, slow click or typing response, poor INP, slow LCP, layout shifts (CLS), unresponsive pages, or asks to debug rendering, animation, or interaction performance in a browser app.

not rated 353 +1 5mo ago A SkillSpector: warn 57 tokens original MIT

social-account-doctor

2702

JuneYaooo/social-account-doctor

Skill Claude CodeCodex

A workflow for researching and improving social-media accounts and videos on Chinese platforms such as Xiaohongshu, Douyin, Kuaishou, WeChat Channels, and Bilibili. It compares accounts, breaks down popular posts, and helps draft new content from supplied material.

not rated 353 +16 changed 1mo ago B 320 tokens original MIT

xerahs

2703

ShareX/XerahS

Skill Claude CodeCodex

REQUIRED for anything involving XerahS, the ShareX-style screenshot, screen recording and upload app. Use when the user wants to change what happens after a capture, configure XerahS workflows (capture jobs bound to hotkeys), import or apply image effects or ShareX presets (.sxie, .xsie), turn the After Capture window…

not rated 353 +8 changed 4d ago A 140 tokens GPL-3.0

threat-modeling

2704

fr33d3m0n/threat-modeling

Skill Claude CodeCodex

Threat model, security audit, find vulnerabilities, check security of my app, risk assessment, penetration test prep, analyze attack surface, what could an attacker exploit. Use this skill whenever a user wants holistic security analysis of a codebase, application, or project. MUST be invoked instead of analyzing…

not rated 352 +2 6mo ago A 178 tokens original BSD-3-Clause

skill

2705

chaos-xxl/zelda-hyrule-ui

Skill Claude CodeCodex

A guide for using the zelda-hyrule-ui component library and its visual style rules. It tells an AI coding agent how to get, install, and use the library, including fallback rules when the usual path fails.

not rated 352 +1 4mo ago A 0 tokens

bili-note

2706

Rimagination/bili-note

Skill Codex

A tool for turning Bilibili videos and posts into readable Markdown notes. Bilibili is a Chinese video and social-content platform; the tool can work with subtitles, article text, images, code, and selected comments.

not rated 352 +4 changed 1mo ago A 86 tokens original MIT

flaremo-notes

2707

realchendahuang/FlareMo

Skill Claude CodeCodex

A note-management tool for FlareMo, a service where you store personal notes and memos. It lets an agent work with those notes rather than keeping a separate memory of its own.

not rated 352 +9 yesterday A 86 tokens AGPL-3.0

code-graph

2708

FalkorDB/code-graph

Skill Claude CodeCodex

This skill should be used when understanding code structure, finding dependencies between functions/classes, tracing call graphs, or exploring code relationships. Trigger phrases include 'code graph', 'call graph', 'who calls', 'what calls', 'find dependencies', 'code structure', 'inheritance', 'find paths'.

not rated 351 +1 7d ago A SkillSpector: pass 64 tokens original MIT

wish

2709

automagik-dev/genie

Skill Codex

Deliver one decided task end to end — admit it, work it in one worktree, gate, independent review, bounded repair, a merge-ready PR — or plan a multi-group wish when it is bigger than one task.

not rated 351 +6 changed 1mo ago A SkillSpector: pass 47 tokens original Apache-2.0

packet-tracer

2710

Mats2208/MCP-Packet-Tracer

Skill Claude CodeCodex

Use when building, configuring, or debugging Cisco Packet Tracer networks through the packet-tracer MCP (pt tools): plan and live-deploy topologies, apply ACL / NAT / VLAN / HSRP / BGP / QoS / EtherChannel / CME voice / Wi-Fi, read routes, OSPF, STP, DHCP leases, trace PDUs, or write raw Script-Engine JS. Holds the…

not rated 351 +16 changed 5d ago A SkillSpector: warn 117 tokens original MIT

base-mcp

2711

base/base-mcp-legacy

MCP server Claude CodeCodexCursor +2

MCP server "base-mcp" as configured in base/base-mcp-legacy. Runs locally from the base-mcp npm package.

not rated 351 5mo ago A tokens not measured original MIT archived

clarity

2712

addyosmani/clarity

Skill Claude CodeCodex

Draft, rewrite, or review reader-facing prose so it is specific, useful, and recognizably the author's without inventing facts or performing humanness. Use for essays, articles, newsletters, documentation, talks, launch copy, and other important prose that feels generic, hollow, or AI-shaped. Supports co-write…

not rated 351 +12 changed 2mo ago A 76 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: