Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 271,915 indexed, measured the same four ways as everything else here.
Jsebayhi/prompt-engineering-extension
Skill Claude CodeCodex
Use this skill when asked to create, refine, analyze, or optimize prompts for Large Language Models (LLMs). This skill ensures adherence to prompt engineering best practices and enforces a rigorous design workflow.
MCP server Claude CodeCodexCursor +2
Twitter/X analysis without token waste. Fetch tweets, download media. No API key. Runs locally from the tweetsave-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server "crashdx" as configured in r00tify/crashdx. Launched with https://github.com/r00tify/crashdx/releases/download/v0.1.0/crashdx-mcp-v0.1.0.m.
MCP server Claude CodeCodexCursor +2
Jira MCP for controlling Jira through Jira Command Line. Runs locally from the jira-tools-mcp Python package. Needs 2 environment variables to run.
Skill Claude CodeCodex
Expert system for hardware analysis, real-time performance troubleshooting, and LLM optimization.
MCP server Claude CodeCodexCursor +2
MCP server "mcp-florence2" as configured in jkawamoto/mcp-florence2. Launched with https://github.com/jkawamoto/mcp-florence2/releases/download/v0.5.0/mcp-florence.
Skill Claude CodeCodex
Use when the user asks to create, operate, inspect, or stop a Team Agent team. Treat the CLI as the public interface.
MCP server Claude CodeCodexCursor +2
MCP server leveraging Sisense Intelligence for actionable insights and analytics. Runs locally from the @sisense/mcp-server npm package. Needs 2 environment variables to run.
timescale/tiger-skills-mcp-server
Skill Claude CodeCodex
Information and guidelines for building custom skills for the MCP server.
MCP server Claude CodeCodexCursor +2
MCP server "cairn-mcp" as configured in jasondostal/cairn-mcp. Runs in Docker (ghcr.io/jasondostal/cairn-mcp:0.21.2). Needs 4 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server for the Pepesto grocery shopping API — recipe-to-cart across European supermarkets. Runs locally from the @pepesto/pepesto-mcp npm package. Needs 1 environment variable to run.
KirschBluteX/agent-orchestration-gateway
Skill Codex
Plan and supervise user-approved software initiatives through Codex native tasks and bounded native subagents. Use when the user explicitly asks Agent Orchestration Gateway to clarify work, split it into non-overlapping modules, dispatch module tasks, or run an AOG module task.
Skill Codex
Spawn Claude Opus 5 or Fable 5 as an external subagent through the Claude Code CLI, supervised by exactly one GPT-5.6 Sol low-effort babysitter. Use automatically when the user says "spawn Opus 5", "spawn Fable 5", asks for an Opus 5 or Fable 5 sub-agent, or asks Codex to delegate a task to either Claude model.
Skill Claude CodeCodex
DEPRECATED — Use /enterprise instead. This skill has been superseded by the modular enterprise pipeline (/enterprise orchestrator + /enterprise-discover, /enterprise-brainstorm, /enterprise-plan, /enterprise-contract, /enterprise-build, /enterprise-review, /enterprise-forge, /enterprise-verify, /enterprise-compound).…
Skill Claude CodeCodex
Use when the user is running one or more coding agents and needs a shared control plane to coordinate work and keep an audit trail. Triggers include running parallel Claude Code/Cursor sessions, agents colliding on the same work, needing objectives instead of a task list, or needing auditable evidence of…
MCP server Claude CodeCodexCursor +2
AI tech lead for coding agents with validation and impact analysis. Runs locally from the @n0zer0d4y/athena-protocol npm package.
MCP server Claude CodeCodexCursor +2
Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients. Runs locally from the @emailens/mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
MCP server for Google Search Console & Indexing API — search analytics, sitemaps, URL inspection. Runs locally from the @mikusnuz/gsc-mcp npm package. Needs 4 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server for Self-Inspect: one keyless tool that returns a single self-inspection metathought for what your agent is currently doing. Calls the public api.ejentum.com/self-inspect endpoint, or runs the published heuristic fully offline with SELFINSPECT. Runs locally from the self-inspect-mcp npm package.
MCP server Claude CodeCodexCursor +2
Subreddit traffic and post-pattern analysis toolkit. Runs locally from the reddit-growth-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server "playwright" as configured in smartlabsAT/claude-playwright. Runs /private/var/www/claude-playwright-toolkit/dist/mcp/server.cjs with node. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
MCP server "XcodeBazelMCP" as configured in DebugSwift/XcodeBazelMCP. Runs dist/cli.js with node. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
One of 5 in .mcp.json
MCP server "neo4j-aura-management", hosted remotely at localhost, as configured in donbr/lifesciences-research.
Skill Claude CodeCodex
Use CodeRabbit CLI to perform automated code review and iterative improvement in an AI agent workflow. Use when: (1) After generating non-trivial code (new features, refactors, algorithms), (2) Improving code quality, maintainability, or readability before submission, (3) Validating code changes against best…
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: