Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 266,990 indexed, measured the same four ways as everything else here.
Skill Claude CodeCodex
Master orchestrator for 57 official Datadog agent skills from DataDog/pup and datadog-labs/agent-skills. Use when working with ANY Datadog observability task: APM and distributed tracing, log search and pipelines, monitors and alerting, live production debugging, audit trail investigations, browser SDK…
flaviodelgrosso/fastify-mcp-server
MCP server Claude CodeCodexCursor +2
MCP server "fastify-mcp-server", hosted remotely at 127.0.0.1, as configured in flaviodelgrosso/fastify-mcp-server.
schemacrawler/SchemaCrawler-AI-MCP-Server-Usage
MCP server Claude CodeCodexCursor +2
MCP server "schemacrawler", hosted remotely at localhost, as configured in schemacrawler/SchemaCrawler-AI-MCP-Server-Usage.
Skill Claude CodeCodex
Use when writing technical documentation that needs to be readable by both humans and AI models, converting existing docs to HADS format, validating a HADS document, or optimizing documentation for token-efficient AI consumption.
MCP server Claude CodeCodexCursor +2
MCP Server for notify. Runs locally from the mcp-notify Python package. Needs 11 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server "izan" as configured in ekingunoncu/izan.io. Runs packages/bridge/dist/cli.js with node.
german-krasnikov/unity-biome-mcp
Skill Claude CodeCodex
Use when operating Unity Biome MCP to select or discover tools, batch compatible commands, resolve schemas, reduce response size, or recover a connection or session.
MCP server Claude CodeCodexCursor +2
A Model Context Protocol (MCP) implementation for workflow management and automation. Runs locally from the @fiveohhwon/workflows-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP Server for searching via Baidu. Runs locally from the baidu-mcp-server Python package.
MCP server Claude CodeCodexCursor +2
MCP server "hotels-mcp-server" as configured in esakrissa/hotelsmcpserver. Runs locally from the hotels-mcp-server Python package.
MCP server Claude CodeCodexCursor +2
MCP server "continuum-mcp" as configured in Cyrax321/CONTINUUM. Launched with ${CLAUDE_PROJECT_DIR:-.}/.venv/bin/continuum-mcp --db continuum.db. Needs 1 environment variable to run.
bobchao/pm-skills-rfp-to-stories
Skill Claude CodeCodex
Evaluates User Story quality and automatically corrects items not meeting standards. Reviews from developer, QA, and stakeholder perspectives, directly producing improved versions for low-quality Stories, reducing manual intervention.
Skill Claude CodeCodex
Use when building, migrating, or debugging Agent Evals on Inngest: scoring AI agent or workflow outcomes, deferred scorers, sessions, traces, step experiments, experiment variant attribution, Insights queries, or production eval loops for prompts, models, tools, providers, and agent behavior. Covers TypeScript SDK v4…
kevintsengtw/dotnet-testing-agent-skills
Skill Claude CodeCodex
A guide for advanced TUnit testing in .NET. TUnit is a testing framework; the guide covers tests driven by data, dependency injection, integration tests, retries, time limits, and filtering.
madrobotnet/hermes-codex-imagegen-skill
Skill Claude CodeCodex
Use a separate Codex CLI instance logged in via ChatGPT / OpenAI Codex OAuth to generate an image with Codex's built-in imagegen skill, then verify the saved PNG from /.codex/generatedimages.
Skill Claude CodeCodex
Refactored fork of the sourcemap-leaked Claude Code CLI.
Skill Claude CodeCodex
Manage physical sensors, cameras, and actuators via the bubbaloop skill runtime. Query real-time sensor data, control node lifecycle, and monitor hardware health.
MCP server Claude CodeCodexCursor +2
Local-first search tool for Claude Code session transcripts — hybrid keyword + semantic search, with optional multi-source (federated) trust-tagged search. Runs locally from the magpie-search Python package.
MCP server Claude CodeCodexCursor +2
Standalone MCP server for REST API testing and management. Runs locally from the postmancer npm package. Needs 2 environment variables to run.
fabio-barboza/development-orchestrator
Skill Claude CodeCodex
Initializes the project, identifies relevant skills, and updates the project configuration file (CLAUDE.md, .github/copilot-instructions.md, .cursor/rules/project.mdc, or .cursorrules) with project summary, conventions, and available skills. Accepts an optional argument "agents" to only install orchestration agents…
Skill Claude CodeCodex
Write and refactor Vue, React, Svelte, Blade, and HTML with vite-plugin-useclassy (UseClassy) modifier attributes: class:hover, class:focus, class:sm, class:md, class:dark, className:hover, className:focus, class:sm:hover, and similar. Use when authoring UI, writing Tailwind or UnoCSS hover/focus/responsive/dark…
Skill Claude CodeCodex
A tool for reading web pages, videos, podcasts, links, and local audio recordings, then producing structured Chinese explanations and answering questions about the source material.
Skill Claude CodeCodex
Tari Ootle development instructions for Aider.
MCP server Claude CodeCodexCursor +2
EduBase MCP server. Runs locally from the @edubase/mcp npm package. Needs 3 environment variables to run.
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: