Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 267,469 indexed, measured the same four ways as everything else here.
whtoo/How_to_implment_PL_in_Antlr4
MCP server Claude CodeCodexCursor +2
Gives the agent up-to-date documentation and code examples for libraries and frameworks, fetched on demand so answers are not stuck at the model's training cutoff. Runs locally from the @upstash/context7-mcp npm package.
dingtom336-gif/viral-video-replicator
Skill Claude CodeCodex
A workflow for analysing a reference video and creating prompts and replacement-material plans for a similar video. FFmpeg extracts video frames, and a vision model examines them.
MCP server Claude CodeCodexCursor +2
Lets the agent drive a real browser: open pages, click, type, take screenshots and read the accessibility tree, using Playwright. Runs locally from the @playwright/mcp npm package.
KallistoX/mcp-unifi-applications
MCP server Claude CodeCodexCursor +2
MCP server exposing UniFi application API documentation (Network, Protect, Site Manager, InnerSpace, Mobility, Carrier Fabric) as queryable tools. Runs locally from the mcp-unifi-applications Python package.
algorand-devrel/algorand-agent-skills
Skill Claude CodeCodex
Builds x402 HTTP-native payment applications on Algorand using TypeScript. Covers clients (fetch, axios), servers (Express, Hono), facilitators, paywalls, Next.js integration, and the @x402/core library. Use when implementing x402 payment flows in TypeScript, creating payment-gated APIs, building x402 facilitators or…
Skill Claude CodeCodex
Guidance for an AI agent to enrich an Open Knowledge Format (OKF) bundle with high-quality concept descriptions using its own LLM — grounded in the bundle's schema, data profile, and samples — then optionally sync them back to the source. Use when an OKF bundle has missing, weak, or low-quality descriptions that…
Skill Claude CodeCodex
Send the user a Slack message as Claude — progress, a finished task, an alert, anything worth interrupting them for. Use whenever you want to reach the user outside this chat. Required instead of the Slack connector, which posts as the user and doesn't notify them.
Skill Claude CodeCodex
Helps agents develop, review, test, secure, optimize, design, integrate, package, and release modern WordPress plugins. Use for WordPress plugin architecture, Gutenberg block work, block.json, REST API, WP admin screens, shortcode implementation, Settings API, WP-CLI workflows, PHPUnit tests, wp-env environments…
MCP server Claude CodeCodexCursor +2
The infrastructure for the AI economy: primitives for inference, agents, and decisions. Remote server at mcp.carbonarc.ai.
Skill Claude CodeCodex
A 4x pipeline audit that scans past project artifacts for unresolved problems. It checks feature gaps, escalation and review reports, and repeated lessons, then classifies findings by priority and category.
abhishekbhakat/airflow-mcp-server
MCP server Claude CodeCodexCursor +2
MCP Server for Airflow. Runs locally from the airflow-mcp-server Python package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Human-in-the-loop approval gateway for AI agents over MCP: request, decide, approve. Runs locally from the @agentkitai/agentgate-mcp npm package.
MCP server Claude CodeCodexCursor +2
PubNub Model Context Protocol MCP Server for Cursor and Claude. Runs locally from the @pubnub/mcp npm package. Needs 6 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server with FAISS local vector database for RAG. Runs locally from the local-faiss-mcp Python package.
MCP server Claude CodeCodexCursor +2
Semantic code graph for AI-assisted code understanding via tree-sitter and MCP. Runs locally from the rpg-encoder npm package.
camel-vibe/hermes-telegram-artifacts
Skill Claude CodeCodex
Build interactive HTML artifacts for the Telegram Mini App. Use for ANYTHING that benefits from being visual/interactive: recipes (with portion calculators), shopping lists (with localStorage), calculators, charts, diagrams, reference sheets, reports, and tools. When a user asks for food, recipes, meal planning…
Skill Claude CodeCodex needs its repo
Expert guidance for writing, configuring, and running tests with Rstest — the Rspack-powered. JavaScript/TypeScript testing framework with Jest-compatible APIs and native ESM/TypeScript support. Covers setup, configuration (rstest.config.ts), mocking (rs.mock, rstest.fn, rstest.spyOn), fake timers, snapshots, DOM…
Skill Claude CodeCodex
Professional personal finance advisor specializing in plain-text accounting with Beancount and Fava. Use when users need help with: (1) Analyzing spending habits and financial patterns from Beancount files, (2) Creating or understanding Beancount transactions and syntax, (3) Financial planning, budgeting, and…
Skill Claude CodeCodex
Use proactively when a user is defining, constraining, debugging, or evaluating an agent system and needs the right PromethOS skill.
Skill Claude CodeCodex
A guided tool for creating personalised IELTS speaking practice materials. IELTS is an English exam, and the tool turns a learner’s answers and conversation into a personal profile and a static study website.
Skill Claude CodeCodex
Perform statistical tests, hypothesis testing, correlation analysis, and multiple testing corrections using scipy and statsmodels. Works with ANY LLM provider (GPT, Gemini, Claude, etc.).
Skill Claude CodeCodex
Refine an Original Goal into an acceptance-testable Overall Goal for Ultra-Goal through read-only exploration and user alignment. Manual invocation only.
Skill Claude CodeCodex
A 100-day action plan for an early-stage one-person AI company, meaning an AI business run mainly by one person. It provides daily actions, milestones, progress tracking, and a timeline toward first revenue.
Skill Claude CodeCodex
Multi-phase delivery framework that MUST preserve session continuity and SHOULD support SHA-based rollback.
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: