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. 281,940 indexed, measured the same four ways as everything else here.

investigate-codebase

12553

Data-System-School/agent-skills

Skill Codex

Build an evidence-backed working model of an existing codebase. Use when you must orient in a large or unfamiliar repository; explain architecture or a subsystem; trace a request, runtime, control, or data flow for a concrete question or bug; analyze a branch, commit, diff, or pull request for behavioral impact and…

not rated 14 2mo ago A 125 tokens original MIT

Jaimo-so/personal-ip-illustrations

Skill Codex

A Chinese-language image-creation skill for turning an article's key idea, process, or metaphor into hand-drawn illustrations. It uses a consistent brown-haired, round-glasses character on a mostly white 16:9 canvas.

not rated 14 2mo ago A 140 tokens original MIT

agent-reach-wrapper

12555

Stijnman/grok-custom-skills

Skill Claude CodeCodex

Thin wrapper around Panniantong/Agent-Reach for live web, YouTube transcripts, RSS, GitHub, Bilibili, Exa search, and optional login-state platforms (X, Reddit, Facebook, Instagram, Xiaohongshu, LinkedIn). Triggered by agent-reach, reach this URL, YouTube transcript, Reddit thread, Bilibili, Xiaohongshu, RSS feed, or…

not rated 14 24d ago A SkillSpector: pass 138 tokens original MIT

agentic-tool-design

12556

goadesign/goa-ai

Skill Claude CodeCodex

Use when designing or reviewing the tools an LLM agent will call — choosing tool boundaries, argument and result shapes, retrieval/search/get decompositions, MCP or goa-ai toolset surfaces — or when an agent misuses existing tools (wrong tool picked, IDs carried between calls, wrong dates computed, confident answers…

not rated 14 +1 changed 1mo ago A 71 tokens original MIT

ssq-predictor

12557

ma-pony/ssq-predictor

Skill Claude CodeCodex

A Chinese-language skill that claims to analyse historical results for China’s Double Color Ball lottery and suggest numbers using statistical and traditional methods. The description does not provide evidence that its predictions improve the odds of winning.

not rated 14 +3 9mo ago A 98 tokens

skillguard

12558

LLMSecurity/skillguard

Skill Claude CodeCodex

Security audit agent skills for vulnerabilities and malicious patterns. Use when asked to "scan a skill", "check if a skill is safe", "audit a skill for security", "review skill security", "is this skill malicious", or when installing/reviewing any third-party agent skill. Accepts local SKILL.md files, skill…

not rated 14 8mo ago A 100 tokens

esp32-firmware-engineer

12559

adamlipecz/esp32-firmware-engineer-skill

Skill Codex

ESP32 firmware engineering for ESP-IDF projects. Write, review, and debug embedded C/C++ code involving FreeRTOS tasks/queues/timers, GPIO/I2C/SPI/UART/ADC/PWM peripherals, TWAI/CAN, Wi-Fi/BLE networking, OTA updates, Secure Boot and flash encryption, LVGL display integration, build/flash/monitor workflows, logging…

not rated 14 +2 8mo ago A Socket: passSnyk: warn 204 tokens

purelymail

12560

gui-wf/purelymail-mcp-server

MCP server Claude CodeCodexCursor +2

One of 3 in .mcp.json

MCP server for PurelyMail email service management. Runs locally from the purelymail-mcp-server npm package. Needs 1 environment variable to run.

not rated 14 +2 1mo ago A tokens not measured original MIT

phonebook

12561

stag-build/phonebook

MCP server Claude CodeCodexCursor +2

Self-hosted gallery of your SwiftUI #Preview and Jetpack Compose @Preview screens. Runs locally from the @stag-build/phonebook npm package.

not rated 14 24d ago A tokens not measured original MIT

td-operations

12562

familienak-tech/Touchdesigner---MCP-server

Skill Claude CodeCodex

Provides advanced operational capabilities for TouchDesigner including snapshots, production readiness validation, enhanced monitoring, and workflow automation. Use when you need production-grade reliability, backup/restore capabilities, or systematic quality assurance for your TouchDesigner projects.

not rated 14 +1 1mo ago A 48 tokens

etw-mcp

12563

nijosmsft/etw-mcp

MCP server Claude CodeCodexCursor +2

MCP server "etw-mcp" as configured in nijosmsft/etw-mcp. Runs locally from the etw-mcp Python package.

not rated 14 +2 1mo ago A tokens not measured original MIT

context-summary

12564

thebpandey/context-summary

Skill Claude CodeCodex

Produces a lean, paste-ready session handoff so work can continue in a new conversation without re-paying the cost of the full chat. Emits a seven-block skeleton optimized for re-entry, not archival. Trigger this skill whenever the user says any of the following (exact or close paraphrase): "context summary"…

not rated 14 changed 1mo ago C 180 tokens original MIT

ilana

12565

Ferousco-dev/ilana

Skill Claude CodeCodex

Ìlànà is a strict software engineering process operating system for coding agents. Load it whenever work touches requirements, elicitation, SRS, user stories, traceability, architecture or interface design, UI design principles, coding standards, code review, testing (unit, integration, system, acceptance), test…

not rated 14 changed 1mo ago A SkillSpector: pass 252 tokens original MIT

ref-character

12566

p4inz-code/3d-ref-skills

Skill Claude CodeCodex

Generates a complete pre-production reference brief specifically for character assets. Covers anatomy, facial topology, deformation zones, costume, skin, hair, and rig-readiness reference — the layers ref-brief doesn't go deep enough on. Triggers on "character reference", "I'm modeling a character", "humanoid…

not rated 14 changed 26d ago A 105 tokens original MIT

tomato-writer-mcp

12567

fuhei/tomato-writer-mcp

MCP server Claude CodeCodexCursor +2

MCP server "tomato-writer-mcp" as configured in fuhei/tomato-writer-mcp. Runs locally from the tomato-writer-mcp npm package.

not rated 14 +1 5mo ago A tokens not measured

deepseek-harness

12568

Seann0824/deepseek-harness-for-codex

Skill Claude CodeCodex

Start the local DeepSeek Harness Web UI, provide a clickable session link, delegate a scoped coding task into the visible Web session, then independently review and verify the workspace changes. Use when the user asks Codex to use, show, control, or hand work to DeepSeek Harness.

not rated 14 +2 3mo ago A 62 tokens original MIT

autocad-mcp

12569

ks40-academy/autocad-mcp

MCP server Claude CodeCodexCursor +2

MCP server "autocad-mcp" as configured in ks40-academy/autocad-mcp. Runs locally from the autocad-mcp Python package.

not rated 14 +1 8mo ago A tokens not measured original MIT

frigate-mcp

12570

dedsxc/mcp-frigate

MCP server Claude CodeCodexCursor +2

MCP server "frigate-mcp" as configured in dedsxc/mcp-frigate. Runs locally from the frigate-mcp Python package.

not rated 14 yesterday A tokens not measured

plan-iam-career

12571

Sefyu24/master-iam-skills

Skill Claude CodeCodex

Interview a person who wants to start or advance an Identity and Access Management career, then create a short and evidence-based career plan with a downloadable Markdown document when file tools are available. Use when the user wants help selecting an IAM role, researching IAM opportunities or target employers…

not rated 14 18d ago A 107 tokens original MIT

pizaniadv/auditor-estrategico-juridico

Skill Claude CodeCodex

Camada estratégico-auditorial que precede a redação de peças no contencioso brasileiro. O advogado alimenta o caso; a skill classifica fatos, monta a matriz probatória, hierarquiza teses, antecipa o adversário, controla a jurisprudência em tripla camada e calibra a firmeza do tom pela solidez real de cada tese.…

not rated 14 +1 3mo ago A 216 tokens AGPL-3.0

asus-display-control

12573

ASUS-Display/asus-display-control

Skill Claude CodeCodex

Control ASUS monitor settings via DWC CLI, including query, set, reset, raw VCP commands, and capabilities lookup.

not rated 14 changed 3d ago A 28 tokens original Apache-2.0

a11y-planner

12574

zivtech/accessibility-skills

Skill Claude CodeCodex

Use when you know what component, flow, or interface you need but not yet the right accessibility approach. Best for turning WCAG 2.2 requirements into an accessible implementation plan with WAI-ARIA APG patterns before code hardens bad interaction and state patterns.

not rated 14 changed 2mo ago A 60 tokens GPL-3.0

block-town/google-ads-transparency-mcp

MCP server Claude CodeCodexCursor +2

MCP server for the Google Ads Transparency Center — look up any advertiser's ads without an API key. Runs locally from the google-ads-transparency-mcp Python package.

not rated 14 2mo ago A tokens not measured original MIT

mcp-builder

12576

runlayer/plugins

Skill Claude CodeCodex

Build, test, and deploy production-quality MCP (Model Context Protocol) servers. Full lifecycle -- build locally, test interactively with MCP Inspector, iterate until working, then optionally deploy to Runlayer. Triggers include "build an MCP server", "create MCP tools", "implement MCP", "add tools for [service]"…

not rated 14 8mo ago A 84 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: