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. 269,242 indexed, measured the same four ways as everything else here.

calibration-technician

11210

wonsukchoi/domain-experts

Skill Claude CodeCodex

Use when a task needs the judgment of a Calibration Technologist/Technician — computing a Test Uncertainty Ratio (TUR) and deciding whether it meets the 4:1 target, building a measurement uncertainty budget (Type A/Type B, GUM-style) for a calibration, tracing a reference standard's chain of custody to NIST/SI…

not rated 16 +1 2d ago A 112 tokens original MIT

godot-master

11211

bgrenat/godot-game-dev-studio

Skill Claude CodeCodex

Consolidated expert library for professional Godot 4.7+ game and application development. Orchestrates 92 Domain Skills through architectural workflows, anti-pattern catalogs, performance budgets, and Server API patterns. Use when: (1) starting a new Godot project, (2) designing game or app architecture, (3) building…

not rated 16 +2 1mo ago A 170 tokens LGPL-3.0

mnemosyne-voice

11212

Mnemosyne-OS/Mnemosyne-Neural-OS

Skill Claude CodeCodex

Turn a written script into an audio file using the local voices of Mnemosyne OS — including the human's own cloned voice. Use whenever the user asks for a voice-over, narration, podcast read, or TikTok/YouTube audio track and has Mnemosyne OS installed. Teaches the workflow (list voices, write for the ear, render as a…

not rated 16 +2 changed 7d ago A 97 tokens

openchronicle-mcp

11213

CarlDog/openchronicle-mcp

MCP server Claude CodeCodexCursor +2

Memory database for LLM agents — persistent semantic + keyword memory, project namespacing, served over HTTP REST and MCP. Runs locally from the openchronicle-mcp Python package.

not rated 16 4d ago A Socket: warn tokens not measured AGPL-3.0

byadsco/meta-ads-mcp

Skill Claude CodeCodex

Use when asked what competitors are advertising on Meta, to research ads by keyword or Facebook page, to build a swipe file, or to analyze a specific ad found in the public Meta Ad Library. Covers the scrape-poll-read sequence through the adslibrary tools, what it costs and how to avoid paying twice, and how to read a…

not rated 16 +2 changed 4d ago A 0 tokens original MIT

eshell-plugin-dev

11215

mahoushoujyo-eee/eshell

Skill Claude CodeCodex

Write, install, debug, or review an eShell external plugin (browser-ESM plugin under .eshell-data/extensions/ /). Use when the user asks to create a plugin / extension for eShell, add a panel or toolbar button, call eShell's session, SFTP or server-status APIs from plugin code, understand why a plugin did not load or…

not rated 16 3d ago A 156 tokens

design-skill

11216

Overbrilliant/ob-1

Skill Claude CodeCodex

Use BEFORE building or restyling anything a user will see — web/mobile UIs, landing pages, dashboards, components, emails, AND creative work like Three.js/WebGL/canvas/SVG scenes, data-viz, games, and animations — to make it look intentional and polished, not generic; covers tokens, type, color, layout, motion…

not rated 16 +2 yesterday A 82 tokens original Apache-2.0

buildspace-ci-cd

11217

photon-hq/skills

Skill Claude CodeCodex

Configure and troubleshoot BuildSpace reusable GitHub Actions workflows and blocks for automated releases. Covers Rust, TypeScript (single package and monorepo), Go, Swift package, macOS .pkg (binary and payload-only), dylib (Xcode and Makefile), generic release, AI-based versioning/release notes, README freshness…

not rated 15 1mo ago A 184 tokens

svg-chart

11218

NUGURI-7/CoCoWork

Skill Claude CodeCodex

Render data into a standalone SVG chart file — bar, line, or pie. Use when the user provides numbers (inline, JSON, or CSV) and asks for a chart, graph, plot, trend, comparison, breakdown, or any visual summary of the data. Produces a self-contained .svg viewable in any browser; no external libraries required.

not rated 15 23d ago A SkillSpector: pass 75 tokens original MIT

docdex

11219

bekirdag/docdex

MCP server Claude CodeCodexCursor +2

Fast per-repo documentation indexer and full-text search MCP server for codebases. Runs locally from the docdex npm package.

not rated 15 +1 2d ago A tokens not measured original MIT

tarot-mcp-server

11220

fzlzjerry/tarot-mcp

MCP server Claude CodeCodexCursor +2

Model Context Protocol server for Rider-Waite tarot card readings. Runs locally from the tarot-mcp-server npm package.

not rated 15 3d ago A tokens not measured original MIT

calculator-mcp

11221

wrtnlabs/calculator-mcp

MCP server Claude CodeCodexCursor +2

Calculator MCP. Runs locally from the @wrtnlabs/calculator-mcp npm package.

not rated 15 +1 1y ago A tokens not measured original MIT

safeagentdb

11222

Aidan945/SafeAgentDB

Skill Claude CodeCodex

Sets up and maintains SafeAgentDB-style database safety infrastructure for AFK agentic development. Use when integrating isolated local, develop, preview, and production database workflows; configuring Supabase/Vercel/GitHub Actions previews; adding migration guardrails; packaging SafeAgentDB into a project; or…

not rated 15 3mo ago A 72 tokens original MIT

pinecone-help

11223

pinecone-io/skills

Skill Claude CodeCodex

Overview of all available Pinecone skills and what a user needs to get started. Invoke when a user asks what skills are available, how to get started with Pinecone, or what they need to set up before using any Pinecone skill.

not rated 15 changed 19d ago A 52 tokens original MIT

saifoelloh/golang-best-practices-skill

Skill Claude CodeCodex needs its repo

Clean Architecture audit for Go services. Use when reviewing layered architecture, dependency rules, or gRPC/usecase/repository patterns. Ensures proper separation of concerns and dependency inversion.

not rated 15 6mo ago A 41 tokens original MIT

compose-navigation

11225

piyushverma0/android-agent-skills

Skill Claude CodeCodex

Jetpack Compose Navigation for Android AI agents. Use this skill whenever implementing navigation, NavHost, NavController, back stack, deep links, navigation arguments, routes, type-safe navigation, @Serializable routes, navController.navigate, popBackStack, navigateUp, bottom navigation, tab navigation, nested…

not rated 15 4mo ago A 138 tokens original MIT

business-analysis

11226

AbdoBasyioni/business-analysis-skill

Skill Claude CodeCodex

Elite Business Intelligence, Data Analytics, Financial Analysis, and Executive Strategy consulting on uploaded spreadsheets (Excel/CSV). Triggers when the user uploads or references a tabular dataset and wants insights, KPIs, root-cause analysis, SWOT, opportunities, risks, forecasts, executive recommendations, or an…

not rated 15 1mo ago A 78 tokens original MIT

nats

11227

kaustavdm/nats-skill

Skill Claude CodeCodex

Use when developing with NATS messaging, deploying or embedding a NATS server, working with JetStream streams/consumers/KV/object-store, configuring NATS security or clustering, or building microservices on the NATS protocol.

not rated 15 5mo ago A 48 tokens original MIT

threat-model

11228

backspace-shmackspace/claude-devkit

Skill Claude CodeCodex

Use when performing threat modeling for a project, feature, or system architecture. Applies STRIDE threat categorization with DREAD risk rating to produce structured threat models in OTM JSON and markdown formats. Covers system decomposition, trust boundary mapping, data flow analysis, per-subsystem threat…

not rated 15 1mo ago A SkillSpector: warn 70 tokens original MIT

document

11229

domengabrovsek/claude

Skill Claude CodeCodex

Creates or refreshes technical engineering docs in the current repo's /docs/ tree: Diataxis layout, mermaid diagrams, ADR support, drift audit. Use when the user says 'write docs', 'document this', 'audit the docs', or '/document'.

not rated 15 25d ago A 56 tokens

project-kickoff-guide

11230

charmonye/landkit

Skill Claude CodeCodex

Primary local starter skill for a copied landscape project folder. Use when a designer starts a new project, asks what to do next, provides photos/measurements/client wishes, or needs guided onboarding through briefing, BDD-style site scenarios, and SDD-style spatial decisions.

not rated 15 4mo ago A 60 tokens

e2e-playwright

11231

burhankhatri/e2e-testing

Skill Claude CodeCodex

Battle-tested Playwright E2E testing patterns for Next.js/React apps. Use when writing, running, debugging, or fixing Playwright tests. Also triggers on 'e2e', 'end-to-end', 'playwright', 'browser test', 'UI test', 'integration test with browser', 'flaky test', 'test keeps failing'. Covers locators, assertions…

not rated 15 1mo ago A 103 tokens

browser-ops

11232

buildoak/fieldwork-skills

Skill Claude CodeCodex

Browser automation skill for AI coding agents. 25 Playwright-based tools for navigation, interaction, observation, and session management.

not rated 15 6mo ago A 29 tokens original Apache-2.0

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: