Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 275,245 indexed, measured the same four ways as everything else here.
Skill Claude CodeCodex
Skill "security-claude" from rahozosman/security-claude, covering security architecture & threat modeling intelligence, how this skill is organized (progressive disclosure), 1. pick a mode, 2. core method (applies to every mode) and 3. doing a focused review.
CarterIrish/code-architecture-skill
Skill Claude CodeCodex
Plans, documents, and reviews code architecture for software projects. Produces structured architecture documents with Mermaid diagrams through a collaborative interview workflow. Triggers on architecture planning, project structuring, folder organization, system design, component design, data flow planning, codebase…
Skill Codex
Notify the user through AgentNotify when a coding agent completes, fails, becomes blocked, or needs attention - and ask the user a question and wait for their answer when work cannot continue without one, such as what to name something, which of several approaches to take, or which value is correct. The user answers…
Skill Claude CodeCodex
FastAPI routing, dependency injection, and async patterns. Use when building or reviewing FastAPI backends.
Skill Claude CodeCodex
Delegate bulk LLM work - classifying, extracting, summarising or rewriting many items - to a cheap model via the sidequest CLI, so results go to a file instead of into context. Use when a task involves running the same instruction over tens, hundreds or thousands of items.
MCP server Claude CodeCodexCursor +2
AI-powered MCP server for FHIR document search and conversation. Runs locally from the atlas_mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server for the Ouro platform. Runs locally from the ouro-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server providing Wikipedia citation-science tools for Claude -- pure Python, no R required. Runs locally from the wikicitation-mcp Python package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
A comprehensive Model Context Protocol (MCP) server that provides Git repository management capabilities for AI assistants and automation tools. Includes 29 Git operations + 11 workflow combinations with complete CLI alias system and advanced developer pr. Runs locally from the github-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
A MCP server project. Runs locally from the devrev-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server "mcp-everest" as configured in spron-in/mcp-everest. Runs locally from the mcp-everest Python package.
MCP server Claude CodeCodexCursor +2
Read-only MCP server for IKEA product search and in-store stock lookup. Supports stdio and Streamable HTTP transports. Runs locally from the ikea-mcp npm package.
fernandogarzaaa/chimeralang-mcp
MCP server Claude CodeCodexCursor +2
MCP server "chimeralang" as configured in fernandogarzaaa/chimeralang-mcp. Runs chimeralang_mcp.server with python.
syucream/notion-export-mcp-server
MCP server Claude CodeCodexCursor +2
A MCP(Model Context Protocol) server that accesses to Notion unofficial export API. Runs locally from the notion-export-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
Omni-FS-MCP is an MCP server that supports managing multiple types of file systems, such as local FS, S3, R2, B2, WebDAV, and others, in one MCP server. It is built on top of OpenDAL. Runs locally from the omni-fs-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server "idea-basin-mcp" as configured in MsFixer101/idea-basin-mcp. Runs locally from the idea-basin-mcp npm package.
MCP server Claude CodeCodexCursor +2
Local MCP server for Android/iOS device automation and performance telemetry (ADB, simctl, devicectl, WDA). Runs locally from the lazy_mobile_mcp npm package.
Umarfarook1/mcp-bigquery-evals
MCP server Claude CodeCodexCursor +2
An MCP server for BigQuery exploration with cost guardrails and a built-in NL→SQL eval harness. Runs locally from the mcp-bigquery-evals Python package.
MCP server Claude CodeCodexCursor +2
A Model Context Protocol server for Bybit V5 API. Runs locally from the bybit-mcp-server Python package.
MCP server Claude CodeCodexCursor +2
MCP server "arch7" as configured in KTCrisis/arch7. Runs locally from the arch7 Python package.
Skill Codex
Give a Simple Host site a shorter or custom address, either a free .simple-host.app (one call, no DNS) or the person's own domain or subdomain (for example rsvp.example.com via a CNAME record, or example.com via an A record) to a site they already have on Simple Host, using the connectdomain, domainstatus and…
Skill Claude CodeCodex
Design and build AI agents for any domain. Use when users: (1) ask to "create an agent", "build an assistant", or "design an AI system" (2) want to understand agent architecture, agentic patterns, or autonomous AI (3) need help with capabilities, subagents, planning, or skill mechanisms (4) ask about Claude Code…
Skill Claude CodeCodex needs its repo
Manage a backchannel room. Start, join, check status, set the share policy, or leave a shared, E2E-encrypted session with another AI coding session. Use when the user asks to start, join, check, or leave a backchannel, or to share context with a teammate's session.
developer239/michals-opencode-cookbook
Skill Claude CodeCodex
TypeScript conventions - naming, types and modeling, Zod validation, the NestJS API layer and DTOs, services and repositories, errors, async, queues, data access and security - with a monorepo addendum. Load together with develop-code-quality before writing, refactoring or reviewing TypeScript.
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: