Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 267,921 indexed, measured the same four ways as everything else here.
elara-labs/code-context-engine
MCP server Claude CodeCodexCursor +2
Save 94% on AI coding tokens. Index your codebase, agents search instead of reading files. Works with Claude Code, Cursor, Codex, Copilot, Gemini CLI. Local MCP server, free, open source. Runs locally from the code-context-engine Python package.
Skill Claude CodeCodex
Read your own agent telemetry from ClawMetry (waste, progress, cost) and act on it before finishing a task. Use when ClawMetry is installed on this machine and you want to check whether you are re-reading files, spinning in loops, or burning budget.
Skill Codex
Operate iOS Simulators, Android Emulators, and connected mobile devices with Simvyn. Use for device discovery, app installation and launch, screenshots, logs, deep links, location simulation, app data inspection, device settings, and reusable device workflows through the Simvyn CLI or dashboard.
Skill Claude CodeCodex
Write programs in the Vera programming language. Use when asked to write, edit, debug, or review Vera code (.vera files). Vera is a statically typed, purely functional language with algebraic effects, mandatory contracts, and typed slot references (@T.n) instead of variable names.
Skill Codex
Use when a user wants to report, troubleshoot, or collect context for a WispTerm issue, including crashes, rendering/DPI glitches, high CPU, keyboard/input bugs, selection/copy/scrolling, SSH/SCP failures, SSH image preview failures, HTML preview/browser panel failures, SSH disconnects such as…
Yacey/agnes-ai-generation-skill
Skill Claude CodeCodex
Call Agnes AI / Sapiens AI generation APIs for text, image, and video. Use when the user asks to use Agnes models, Agnes Image, Agnes Video, Agnes 2.0 Flash, apihub.agnes-ai.com, or to generate text, images, edit images, create videos, animate images, create keyframe videos, or test Agnes API calls.
Skill Claude CodeCodex
A penetration-testing playbook for examining authorized websites, applications, and services for real, verified security weaknesses.
Skill Claude CodeCodex
A chatbot-based workflow for reading daily research papers with iDeer, a paper-digest tool.
Skill Claude CodeCodex
Analyzes and safely cleans up local Git branches. Categorizes branches by merge status, staleness, and remote tracking. Provides interactive selection with safety guards. Use when the user wants to clean up branches, delete old branches, organize Git branches, or asks about which branches can be safely deleted.
twostraws/SwiftData-Agent-Skill
Skill Codex
Writes, reviews, and improves SwiftData code using modern APIs and best practices. Use when reading, writing, or reviewing projects that use SwiftData.
Skill Claude CodeCodex
Build, review, or fix ProjectAtlas plugin/runtime installer integration for Codex, Claude Code, and OpenCode, especially version convergence, stale ProjectAtlas cache repair, MCP config generation, skill artifacts, host smoke tests, and fake-host tests for ProjectAtlas releases.
Masriyan/Claude-Code-CyberSecurity-Skill
Skill Claude CodeCodex
Cyber threat intelligence production — the intelligence cycle, IOC extraction/normalization/enrichment, STIX/TAXII and MISP, structured analytic models (Diamond, Kill Chain, ATT&CK), source scoring, actor/campaign tracking, and finished intelligence reporting.
Skill Claude CodeCodex
Use this tool only when the user explicitly asks to create a plain report.
Skill Claude CodeCodex
Podcast knowledge workflows powered by Podwise CLI: search podcasts and episodes by keyword, monitor followed shows for new releases, find popular episodes, ask questions and extract insights from transcript content, process Podwise episode URLs, YouTube videos, Xiaoyuzhou links, and local audio or video files to…
Skill Claude CodeCodex needs its repo
Create HyperFrames HTML video compositions — animations, title cards, overlays, captions, GSAP timelines, registry blocks/components, voiceovers, audio-reactive visuals, and scene transitions. Use when asked to build any HTML-based video content, write GSAP animations, add captions or subtitles, generate TTS…
Skill Claude CodeCodex
Build and maintain an explorable, progressively-disclosed isometric "atlas" of a system's architecture — an interactive page (hover to read, click to pin, go inside for steps, moving data packets you can inspect, chapters that reveal the system a few structures at a time) plus a generated text twin (SYSTEM.md) and…
Skill Claude CodeCodex
Workflow and tools for adding new entries from temp.md to the section files. Includes legend format, section reference, code tools, and common pitfalls. USE FOR: Adding new resources to the knowledge base. DO NOT USE FOR: Editing existing entries or restructuring sections.
Skill Claude CodeCodex
Generate interactive, inline HTML/SVG widgets (charts, diagrams, forms, dashboards, illustrations) that render in sandboxed iframes inside Kocoro Desktop chat. Use when the user asks to "visualize", "chart", "diagram", "explain visually", "show me", or when data is denser than a paragraph of prose.
Jane-xiaoer/paper-collage-ad-codex
Skill Codex
A production workflow for turning a product brief and brand materials into a paper-cut collage advertisement, ending with a validated MP4 video.
Skill Claude CodeCodex needs its repo
Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files). Triggers include: any mention of "Word doc", "word document", ".docx", or requests to produce professional documents with formatting like tables of contents, headings, page numbers, or letterheads. Also use when…
Skill Claude CodeCodex
Use when an orchestrated workflow may dispatch bounded implementation through an optional local OmniRoute process.
Skill Claude CodeCodex
Handles batch effects in bulk RNA-seq via design-matrix inclusion (the correct path for DE), ComBat/ComBat-seq for visualization, SVA for unknown latent factors, RUVSeq for negative-control-gene-anchored unwanted variation, and limma::removeBatchEffect for plotting only. Encodes the Nygaard 2016 cardinal sin against…
Skill Claude CodeCodex
Integrate SimplePDF into a web application for PDF viewing, editing, filling, signing, programmatic control, AI-agent interaction, human-in-the-loop form prefilling, submissions, webhooks, or customer-controlled storage. Use when a developer wants to add or improve PDF workflows in React, Next.js, JavaScript…
Skill Claude CodeCodex
Use when you need to control Discord via the discord tool: send messages, react, manage threads/pins/search, create/edit/delete channels, fetch permissions, set bot presence, or handle moderation.
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: