Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 281,788 indexed, measured the same four ways as everything else here.
awesome-skills/mermaid-syntax-skill
Skill Claude CodeCodex
This skill should be used when the user asks to "create a mermaid diagram", "fix mermaid error", "mermaid syntax error", "diagram not rendering", "flowchart not working", "sequence diagram broken", "escape special characters in mermaid", or mentions "mermaid", "flowchart", "sequence diagram", "class diagram", "state…
Skill Claude CodeCodex
Use when evaluating a business idea, startup concept, marketing campaign, or go-to-market strategy. Trigger when user mentions idea validation, business feedback, campaign review, GTM strategy, pitch review, or asks "is this worth building/pursuing?" Don't use for code review, technical architecture, or implementation…
Skill Claude CodeCodex
Knowledge management with QMD (Quick Markdown Search). Search, retrieve, and organize your personal knowledge base, notes, docs, and meeting transcripts. Use when asking about past notes, documentation, meetings, or when needing to recall information from your indexed markdown files.
sunshineLixun/video-publish-skill
Skill Claude CodeCodex
Prepare and automate video drafts for Xiaohongshu, Douyin, Bilibili, and WeChat Channels with Ego Lite. Use for first-run onboarding, per-user available/default platform selection, video intake, platform copy and tags, parallel upload scheduling, draft recovery, original declarations, optional upload of provided cover…
Skill Claude CodeCodex
Build, test, and manage mcpGraph tools using the mcpGraphToolkit MCP server. Discover MCP servers and tools, construct graph nodes with JSONata and JSON Logic, and interact with mcpGraph configurations. IMPORTANT: Always read this file before creating graph tools using mcpGraphToolkit.
MCP server Claude CodeCodexCursor +2
Lean Theorem Prover MCP. Runs locally from the lean-lsp-mcp Python package.
Skill Claude CodeCodex
Use dynworkflow to define and run dynamic workflows composed of multiple nodes. Nodes can execute regular Python logic or call Agent and MultiAgent.
Skill Claude CodeCodex
(PH) Resolve material product uncertainty with evidence-based, answer-dependent questions; skip facts and decisions already established.
Skill Claude CodeCodex
A review framework for deciding whether an engineering idea or technical commitment is necessary, too broad, or premature. It examines the real problem, complexity, evidence, non-goals, and ease of reversal.
whystrohm/digital-twin-of-yourself
Skill Claude CodeCodex
Reverse-engineer how someone thinks, talks, and makes decisions, then build a stress-tested AI System Prompt that replicates their voice and judgment, plus a rules file that code can check drafts against. Trigger on: digital twin, persona extraction, clone my voice, replicate how I think, build a system prompt from my…
Command Codex
You are an autonomous engineer for the cashfree/agent-skills repository. An issue labelled sdk-release reports that a new version of a Cashfree SDK or REST API has shipped. Your job: research the release from authoritative sources, update the changelog knowledge-base skill (and any integration skill the change…
Skill Claude CodeCodex
A persistent Markdown knowledge base maintained by an AI agent. Markdown is a plain-text format for structured notes; the knowledge base can hold personal research or documentation about an open-source project's design.
iamasters-academy/iamasters-os
Skill Claude CodeCodex
Migra workflows de n8n/Make al ecosistema Claude Code. Analiza JSONs, mapea nodos, propone implementacion (skills, crons, web apps, dashboards) y detecta mejoras. Usa cuando el usuario pegue un JSON de n8n o mencione migrar automatizaciones.
grahammccain/chart-library-mcp
MCP server Claude CodeCodexCursor +2
MCP server "chart-library" as configured in grahammccain/chart-library-mcp. Launched with chartlibrary-mcp. Needs 1 environment variable to run.
Skill Claude CodeCodex
Use OntoSkills MCP tools to discover and apply structured skill knowledge.
Skill Claude CodeCodex
Use with Codex, Claude Code, or another MCP client when lsp-mcp-server is connected and semantic code navigation, analysis, refactoring, or diagnostics are needed. Covers all 29 lsp tools for TypeScript, Python, Rust, Go, C/C++, Ruby, PHP, Elixir, Kotlin, Java, and user-configured languages. Prefer these tools to text…
pantheraudits/web3-sec-ai-prompts
Skill Claude CodeCodex
Automated smart contract security audit pipeline. Auto-detects codebase size and scales accordingly — standard mode for small codebases, chunk mode with persistent state for large ones. Runs context building, dual-expert review, adversarial triage, and structured reporting. Use when auditing smart contracts, reviewing…
liangdabiao/flue-framework-skill
Skill Claude CodeCodex
Flue Agent Framework v0.9.1+ — TypeScript harness-driven agent framework. Covers createAgent, init, defineTool, defineAgentProfile, routing, SSE streaming, production deployment, and all known pitfalls.
Skill Claude CodeCodex
Docker and Docker Compose operations — build, run, compose, multi-stage.
Upload-Post/upload-post-comment-funnel
Skill Claude CodeCodex
Build Instagram comment-to-DM funnels via Upload-Post API. Use when the user wants to automatically send DMs to people who comment specific keywords on their Instagram posts, set up lead capture funnels from comments, automate Instagram DM outreach to commenters, or monitor post comments and reply privately. Also…
Antropocosmist/triz-engineering-solver
Skill Claude CodeCodex
Apply Altshuller's TRIZ (Theory of Inventive Problem Solving) to resolve engineering contradictions and produce inventive concepts instead of compromise solutions. TRIGGER when the user describes a technical trade-off ("improving X makes Y worse"), a physical contradiction (one element must have opposite properties)…
zish-rob-crur/nucleus-apple-mcp
Skill Codex
Query and analyze exported Apple Health metrics and raw samples with the nucleus-apple CLI. Use when the task involves trend summaries, daily metrics, raw sample inspection, sync change history, or diagnosing gaps between aggregates and raw exports.
Skill Claude CodeCodex
The user installs this Skill to let you (an AI agent) connect the user with the right people or their bots (mostly closed-source) in the opportunity network. Use this Skill when the user intends to (1) manage listings or profiles for networking (e.g., "create a listing based on the information" or "what listings do I…
shaowen-ye/manuscript-review-skill
Skill Claude CodeCodex
A review process for academic papers that uses six specialist AI reviewers and produces an annotated document in English and Chinese.
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: