Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 267,932 indexed, measured the same four ways as everything else here.
Skill Claude CodeCodex
Expert-level parsing and remediation of 'humble' HTTP security header reports. Use this skill whenever the user provides a report generated by 'humble' (https://github.com/rfc-st/humble), mentions analyzing HTTP response headers, security header grades (A-E), or asks for remediation of findings such as missing…
Kiyoraka/Project-AI-MemoryCore
Skill Claude CodeCodex
MUST use when user says 'survey project', 'scan project', 'check health', 'investigate', 'deep dive', 'what's going on in', 'look into', 'refine code', 'clean up code', 'review changes', 'sharpen', 'audit system', 'full audit', 'show me everything', or when the AI needs to assess project health before planning, review…
Skill Claude CodeCodex
Analyzes authentication and authorization events for failed-login clustering, privilege-escalation chains, credential-stuffing patterns, and MFA-bypass indicators.
Skill Claude CodeCodex
Inspect, debug, and convert Apache Parquet files with the hardwood CLI. Use whenever a user is debugging code that reads or writes Parquet (Arrow / Spark / Flink / Java / Python) and the data file itself may be the cause — to check the schema, physical and logical types, repetition, or a row sample. Use it to diagnose…
Skill Claude CodeCodex ✓ vendor
Replaces ordinary greetings with nautical ones.
Skill Claude CodeCodex
A project-memory workflow that keeps a code project’s rules, current structure, documents, logs, tasks, and handoff notes organized.
openaccountants/openaccountants
Skill Claude CodeCodex
> Use esta skill sempre que perguntarem sobre tributos indiretos brasileiros, IVA, tributos sobre o consumo, PIS, Cofins, ICMS, ISS, IPI, CBS, IBS, Imposto Seletivo, NF-e (Nota Fiscal Eletronica), NFS-e, Simples Nacional, registro de CNPJ, reforma tributaria (EC 132/2023, LC 214/2025, LC 227/2026) ou qualquer questao…
Skill Claude CodeCodex
You are an AI agent working with the Windscribe Android app codebase. This skill defines HOW to perform common development, debugging, and maintenance tasks.
TingxiYu/academic-figure-skill
Skill Codex
Academic-grade scientific figure creation for Nature/Cell/Science journals. Use when the user asks to create, polish, review, or export scientific figures for manuscript submission. DO NOT trigger for: interactive dashboards (Plotly/Bokeh/Altair), exploratory data analysis without publication intent, math function…
MCP server Claude CodeCodexCursor +2
DeepWiki's hosted MCP server: AI-generated documentation of public GitHub repositories the agent can query. Remote server at mcp.deepwiki.com.
Skill Claude CodeCodex
AI-powered E2E testing for any app — Flutter, React Native, iOS, Android, Electron, Tauri, KMP, .NET MAUI. Connects via MCP to running apps so the agent can take screenshots, tap elements, enter text, scroll, inspect UI trees, and verify state with natural language. Use when the user wants to test an app's UI…
justxor/MachineLearningRoadmap
Skill Claude CodeCodex
An instruction to open a specific X.com profile in Chrome. X.com is the website formerly known as Twitter.
Skill Claude CodeCodex
An image-generation workflow for creating e-commerce visuals with GPT-Image-2, such as product images, banners, social posts, and infographics.
IgorWarzocha/howaboua-pi-stuff
Skill Claude CodeCodex
Chrome CDP inspection/control: rendered pages, authenticated tabs, navigation, interaction, DOM/accessibility state, network, screenshots. Use when browser-rendered evidence or existing browser state matters.
Skill Claude CodeCodex
A versatile writing assistant that helps compose, improve, and transform text for various purposes including emails, letters, reports, social media, and more.
Skill Claude CodeCodex
Draft, revise, audit, or transform human-facing prose: articles, blogs, documentation, criticism, essays, email, marketing and SEO copy, summaries, scripts, application materials, and UI text. Excludes code comments, commit messages, and private notes.
Skill Claude CodeCodex
Captures user facts and procedural corrections into .reflexio/ so the agent learns across sessions. Use when: (1) user states a preference, fact, config, or constraint; (2) user corrects the agent and confirms the fix with an explicit 'good'/'perfect' or by moving on without re-correcting for 1-2 turns; (3) at start…
Skill Claude CodeCodex ✓ vendor
Replaces ordinary greetings with nautical ones.
Skill Codex
Author and manage TradingCodex Investment Brains. Use when the user asks to put principles or a Wiki insight into a Brain; create, inspect, revise, or validate a user-owned investment-brain- source; or install, update, activate, deactivate, roll back, or remove a managed Brain. Natural-language source authoring is…
oil-oil/codex-deepseek-subagent
Skill Codex
A configuration tool for adding and maintaining DeepSeek V4 Flash or V4 Pro as a native sub-agent in the Codex desktop app. It handles model selection, credentials, testing, repair, disabling, and removal.
Skill Claude CodeCodex
Analyze data using Python and SQL tools. Use when the user asks to process CSVs, Excel, Parquet, PDFs, Word docs, or PowerPoint files, query databases (PostgreSQL, MySQL, SQLite, SQL Server, BigQuery), create charts or visualizations, or perform any data analysis. For live dashboards or data apps, read the…
Skill Claude CodeCodex
Estimate whether an AI model can complete a task and how long it will take, using METR-style time-horizon modeling. Use when scoping agent work, deciding if a task is within reach, planning retries/parallelism, estimating wall-clock time for SWE/MLE/math tasks, or answering "can you do this" / "how long will this…
Skill Claude CodeCodex
Generate publication-quality molecular visualization images using PyMOL. Use this skill whenever the user mentions PyMOL, molecular visualization, protein rendering, structure figures, PDB visualization, ray tracing molecules, or wants to create images of proteins, ligands, binding sites, protein-protein interactions…
Skill Claude CodeCodex
Automatically generate comprehensive test cases from API definitions, endpoint descriptions, OpenAPI/Swagger specs, Postman collections, or raw HTTP request/response examples. Use this skill whenever the user mentions generating tests from APIs, writing test cases for REST endpoints, API testing, creating test suites…
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: