Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 272,427 indexed, measured the same four ways as everything else here.
Skill Claude CodeCodex
Write, insert, or update Effect public API JSDoc so it satisfies the jsdocs oxlint rule. Use when adding or fixing JSDoc comments, resolving jsdocs diagnostics, preparing docs for JSON extraction, or reviewing public API documentation.
Skill Claude CodeCodex
Use when the user asks you to write a report or executive summary. Formats the report as a short executive summary of exactly five bullet points covering Purpose, Audience, Problem, Solution, and Conclusion.
brainbytes-dev/nextjs-expo-saas-starter
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.
Skill Codex
Start, orchestrate, or resume an autonomous research project through hierarchical EXPERIMENT, WRITE, and REVIEW gates. Use when running a project from a rough idea to a complete paper, recovering after context loss, deciding which gate or inner loop must run next, auditing whether a specialist loop actually completed…
Skill Claude CodeCodex
A Chinese-language reference about the “Baba Booey” internet meme, also written as “bababooey” or similar Chinese spellings. It covers the meme’s origins, spread, variations, and use with cat videos.
dungnotnull/mountain-landslide-early-warning-agent-skill
Skill Claude CodeCodex
The skill system follows a skill-registry pattern with a chain-of-thought router. Skills are declarative descriptors (metadata + I/O schemas + optional handler) registered in a single registry. The router scores skills against an intent, emits a rationale, and returns an ordered dispatch plan. The orchestrator…
Skill Claude CodeCodex
Fetch and analyze an arXiv paper via tiered fallback (markdown -> arXiv HTML -> ar5iv -> PDF). Rate-limited for arxiv2md (28 req/min, deterministic). Produces a structured summary with citation, problem, key claims, method, results, limitations. Use when the user says "analyze arxiv paper", "summarize arxiv", "read…
Skill Claude CodeCodex
Drive the 启智 platform (qz.sii.edu.cn) from the command line — log in via CAS, browse projects/workspaces, enumerate legal compute-group/spec/image options, validate and submit training jobs, and list/inspect/stop jobs. Use whenever a task involves submitting or managing jobs on qz.sii.edu.cn, or reading its compute…
hamelsmu/reverse-eng-site-skill
Skill Codex
Reverse-engineer a website's undocumented internal API by instrumenting browser traffic, replaying captured requests as direct HTTP, proving auth and response fidelity, and packaging a resilient client or site-specific skill. Use when asked to discover, automate, wrap, download from, or repair an integration with a…
Skill Claude CodeCodex
Write and revise technical explainers in a casual, visual, example-driven format. Use for software, engineering, electronics, science, or math that needs a friendly voice, strong intuition, concrete examples, precise language, and diagrams. It adapts vocabulary and depth from five-year-olds to veteran practitioners.…
Skill Claude CodeCodex
Use when an AI agent needs to automate a real browser through Agent Browser Bridge CLI, including remote Chrome control, page extraction, clicking, typing, navigation, or screenshots.
jinyimeng01/net-code-audit-skill-master
Skill Claude CodeCodex
A security-audit topic for unsafe deserialization. Deserialization turns stored or received data back into program objects, and unsafe handling can create security risks.
MCP server Claude CodeCodexCursor +2
x402 pay-per-use MCP server for IBM Granite AI — chat, code, embeddings, analysis, and time-series forecasting. Pay USDC on Solana per call. No IBM Cloud account required. Runs locally from the @three-ws/ibm-x402-mcp npm package. Needs 9 environment variables to run.
ltseverydayyou/roblox-mcp-bridge
MCP server Claude CodeCodexCursor +2
An MCP server for interacting with Roblox Game Clients (Delta, etc) over WebSocket+HTTP, with a server side decompile pipeline and in game UI. Runs locally from the roblox-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
One of 13 in server.json
Amazon DSP management — CRUD, async reports, targeting, and audience management. Runs locally from the @cesteral/amazon-dsp-mcp npm package.
domdomegg/defuddle-fetch-mcp-server
MCP server Claude CodeCodexCursor +2
Fetch content from the web, cleaned up nicely for LLMs (using Defuddle). Runs locally from the defuddle-fetch-mcp-server npm package.
Skill Claude CodeCodex
Drive the lucius pairing canvas — build rich, self-contained HTML/CSS/JS/SVG one-pagers on ANY topic (architecture diagrams, product one-pagers, sales/CS collateral, design docs, explainers, simulations) as versioned iterations while pairing with a user. Use when the user says "lucius", "put it on the canvas", "new…
MCP server Claude CodeCodexCursor +2
Brand atomic system over MCP: verbal, visual, motion, tokens, and a magictrick taste primer. Runs locally from the brandkit-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server for WolframScript. Runs locally from the mathematica_mcp Python package.
MCP server Claude CodeCodexCursor +2
Patchright stealth + Vibium-style LLM-friendly CLI for agentic browser automation. Runs locally from the vibatchium Python package.
Skill Claude CodeCodex
A team workflow for solving mathematical modelling problems with code, including analysis, model selection, computation, plots, and reproducibility notes.
Skill Claude CodeCodex
Clean-code engineering standards for writing, refactoring, and reviewing code in any programming language. Use this whenever the user asks to write clean code, follow clean-code principles, refactor for clarity, improve naming, reduce complexity or duplication, separate concerns, tighten error handling, work…
haroldo-ok/sega-master-system-skill-for-claude
Skill Claude CodeCodex
Program, build, debug, and port Sega Master System (and Game Gear / SG-1000) homebrew games in C with devkitSMS (SMSlib + PSGlib) and the SDCC Z80 compiler. Use whenever the user writes, compiles, fixes, optimizes, or ports an SMS/Master System or Game Gear game or demo: the SDCC + devkitSMS toolchain; producing a…
Skill Codex
Clone a ChatCut project into Final Cut Pro via FCPXML with frame accuracy — cuts, multi-track overlays, zoom moves (static punch-ins and keyframed slow pushes), music/SFX with volumes and fades, and native iTT captions. Use this skill whenever a user wants to export, hand off, convert, or "open in Final Cut Pro / FCP"…
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: