Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 269,827 indexed, measured the same four ways as everything else here.
Skill Claude CodeCodex
Fetch daily arXiv announcements (cs.RO), filter by research relevance, generate a structured markdown digest, and sync matched papers to a Zotero collection with arXiv PDFs attached.
Skill Claude CodeCodex
Turn anything — a plan, architecture, design, technical decision, brainstorm, braindump, hunch, or half-formed idea — into a confirmed pre-intent through epistemic investigation: resolving inspectable facts yourself and grilling only the consequential judgments. Use for requests to grill, challenge assumptions…
Skill Claude CodeCodex
Use TreeWork Manual when the user asks for it, or when the Agent judges that organizing ongoing, multi-part work as a persistent Markdown Tree would improve direction, continuity, recovery, or handoff. Adapt the Tree's depth and document detail to the user's needs, domain, and situation rather than a fixed threshold.
MCP server Claude CodeCodexCursor +2
Model Context Protocol server that exposes Vynix annotations to AI coding agents. Runs locally from the @usevynix/mcp-server npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
MCP server for checking RU counterparties via FNS open data (EGRUL/EGRIP, EFRSB, KAD, FSSP). Runs locally from the atomno-mcp-fns-check Python package.
chintan-diwakar/zentickr-yahoo-query-mcp
MCP server Claude CodeCodexCursor +2
MCP server "zentickr" as configured in chintan-diwakar/zentickr-yahoo-query-mcp. Runs locally from the zentickr Python package.
taehyunan-99/agentic-project-init
Skill Claude CodeCodex
A project-initialisation skill that creates a lightweight structure of guides for AI coding agents. It maps project areas and adds sections such as contents, locations, commands, working methods, and cautions.
sourcegraph-community/mcpregistry
MCP server Claude CodeCodexCursor +2
Sourcegraph code search, semantic search, go-to-definition, find-references, and diff search. Remote server at {sourcegraph_hostname}.
MCP server Claude CodeCodexCursor +2
MCP server "dt-mcp" as configured in istefox/istefox-dt-mcp. Launched with https://github.com/istefox/istefox-dt-mcp/releases/download/v0.5.2/istefox-dt-mc. Needs 4 environment variables to run.
Skill Claude CodeCodex
Enforce the ACKit docs-first, task-first workflow with one active checklist item and evidence-based completion.
Skill Codex
Build image2-first classroom PPT page images from a topic, source files, reference PPT style, and iterative user feedback. Use when Codex needs to create image2-ready per-page prompts, generate polished PPT page images, QA a contact sheet, insert the final images into a PPTX wrapper, and write a timed presentation…
Skill Claude CodeCodex
Search for music tracks using natural language prompts or video content via the Harmix AI API. Use when the user asks to find music, search for songs, discover tracks, needs music recommendations based on mood/genre/tempo/scene, or wants to find music for a video, video soundtrack, or music that matches video content.
Skill Claude CodeCodex
Use when writing C# / VB.NET / F# code that reads, writes, manipulates, or exports Excel (.xlsx / .xls) files, generates PDF or HTML from Excel, or produces data-driven reports with FlexCel Studio for .NET (TMS Software). Triggers include Excel/xlsx from C#, XlsFile, FlexCelReport, FlexCelPdfExport, FlexCelHtmlExport…
erhantezakar/claude-fable-5-spanking-claude-opus-4.8
Skill Claude CodeCodex
Initiate the orchestrator-worker cost model for this session. The main-loop model (expensive, metered) orchestrates, specs, verifies, and validates only; ALL drafting and mechanical work (code, docs, tests, sweeps, research) runs in Opus 4.8 subagents billed to plan allowance. Invoke at session start or whenever token…
Skill Claude CodeCodex
Reviews public source notes and produces a bounded summary.
Skill Claude CodeCodex
../../../SKILL.md.
atlas-doc/atlas-flight-booking-skill
Skill Codex
Use when a user asks what Atlas Flight Booking can do, wants to authorize Atlas, search or compare flights using exact or flexible dates and time preferences, verify a current fare, choose baggage or seats, create and pay for an order, or check ticketing status.
Skill Claude CodeCodex
Use when designing, reviewing, refactoring, or enforcing Angular application architecture with isolated lazy features, eager core/layout, reusable ui/pattern architecture building blocks, one-way dependency graphs, eslint-plugin-boundaries rules, or folder placement decisions. This skill takes precedence over…
Skill Codex
Audit an app, website, metadata, SDKs, and marketing for privacy, security, AI transparency, consumer claims, subscriptions, content rights, user-generated content, children, health, financial, export, and platform-policy risks. Use before TestFlight, submission, release, paid marketing, or after adding tracking…
Skill Claude CodeCodex
Cryptographic compliance verification. Sign security tool output into verifiable CPOEs (JWT-VC), verify vendor proofs via trust.txt, detect drift with diff, and assess third-party risk. Use when the user mentions compliance proofs, CPOE, trust.txt, SCITT, vendor assessment, GRC evidence, or compliance drift.
girish6055/NanoBanana-PPT-Skills
Skill Claude CodeCodex
A coding-agent skill for generating PowerPoint presentations, with instructions and documentation for the NanoBanana PPT generator.
pessini/langgraph-skills-agent
Skill Claude CodeCodex
Skill "n8n-skills" from pessini/langgraph-skills-agent, covering n8n workflow automation skill pack, common workflow patterns, 1. http data fetching, 2. email automation and 3. database synchronization.
Skill Claude CodeCodex
Generate web assets including favicons, app icons (PWA), and social media meta images (Open Graph) for Facebook, Twitter, WhatsApp, and LinkedIn. Use when users need icons, favicons, social sharing images, or Open Graph images from logos or text slogans. Handles image resizing, text-to-image generation, and provides…
Skill Claude CodeCodex
Use when tuning/optimising/"training" a skill's judge-shaped rubric (a single text document that makes a recurring, scorable decision) against outcome-labelled evidence — e.g. "train the triage rubric", "optimise the reviewer-severity rubric", or the command "/optimise-skill ". Runs on the Claude Max subscription via…
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: