8,232 mods tagged anthropic that install into Codex, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.
AttendantLion8/provider-fallback-plugin
Skill Claude CodeCodex
Skill for managing model provider priorities with authentication (OAuth/Subscription/API), usage limits, and automatic fallback across all major AI providers.
gusujushi/gusujushi-nonviolent-communication
Skill Claude CodeCodex
A communication coach based on Nonviolent Communication, a method for discussing difficult situations by separating observable facts, feelings, needs, and specific requests. It helps turn blame or judgment into clearer, more respectful wording.
Skill Claude CodeCodex
Source: https://github.com/juliusbrussee/caveman Commit: 84cc3c14fa1e10182adaced856e003406ccd250d Path: skills/caveman/SKILL.md SHA256: f9c83a2b20fc3b3503af9d1ae1cf2098c9f8c3d326c203c236b160ebe81ac8f0 License: see Caveman repo LICENSE.
aprempeh-tech/humanizer-workbench
Skill Claude CodeCodex
Rewrites AI-generated text into natural, human-quality writing using a multi-stage detection and transformation pipeline.
Skill Claude CodeCodex
Discipline for reviewing someone else's pull request — the inverse of prod-ready (which is the author's pre-merge gate). Use when the user asks to "review this PR", "look over the diff", "check this change", "give feedback on", or invokes a code-review slash command. Reviews against the linked feature doc / ADRs /…
Skill Claude CodeCodex
Use when converting, reprojecting, filtering, or loading vector data between formats with GDAL/OGR (ogr2ogr) — shapefile, GeoJSON, GeoPackage, PostGIS, and similar. Makes the agent use correct, safe ogr2ogr invocations instead of guessed flags, and prefer robust formats over fragile ones.
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
Lets the agent work with GitHub: search code, read and create issues and pull requests, and manage repositories through the GitHub API. Runs locally from the @modelcontextprotocol/server-github npm package. Needs 1 environment variable to run.
Skill Claude CodeCodex
Teach, explain, or reshape an answer so the user genuinely comprehends and can use it — leading with the governing idea, showing the mechanism, using worked examples, and checking understanding rather than just simplifying. Use when the user invokes $understand, says they don't follow, asks to learn or understand…
Skill Claude CodeCodex
A guide for creating presentations as responsive HTML pages or converting PowerPoint files into HTML. It uses design specifications to shape the slides and supports presentations, decks, and cover images.
Skill Claude CodeCodex needs its repo
Triggers when: user mentions "PRD", "requirements", "break down requirements", "split PRD", or provides a long feature document. Use this skill to first clarify ambiguous requirements, confirm business logic and boundaries, and then decompose the finalized PRD into atomic frontend tasks focusing purely on BUSINESS…
halflength-ampleness75/claude-code-recipes
Skill Claude CodeCodex
Always enable strict mode. Use this tsconfig.json base.
betayyang/claude-habit-distiller
Skill Claude CodeCodex
Review recent Claude Code conversations, distill the user's stable habits and preferences, persist them into a long-term habit ledger, and maintain a "My Habits" block in the global CLAUDE.md within a character budget. The more you use Claude Code, the more it knows you. Trigger manually with /distill-habits, or on a…
Skill Claude CodeCodex
Transforma una carpeta cruda de material de un parcial universitario (PDFs, DOC/DOCX, PPT, audios .ogg de WhatsApp, capturas) en un material de estudio polished y completo — HTML SOTA autocontenido + paquete de artefactos de NotebookLM (podcast en español, infografía, guía de estudio, briefing doc, mind map, quiz…
haidrrrry/loop-engineering-skills
Skill Claude CodeCodex
Give the agent episodic memory so it improves every cycle instead of repeating mistakes. Use this skill whenever working in a project that has a .loop/LESSONS.md file, whenever a task is being retried after a failure, whenever the user says "remember this", "don't make that mistake again", "learn from this", or "why…
Skill Claude CodeCodex
Use this skill when the user types /memory-onboard (or asks "set up memory for this repo" / "onboard this repo to memory" / "what should be in lore for this repo?"). It runs a repo-aware onboarding interview that produces DRAFT lore records grounded in concrete repo signals (README, ADRs, recent commits, deprecation…
Skill Claude CodeCodex
Sets up automatic revival of this session after Claude's 5-hour usage limit is hit — waits until the window reopens, notifies the user, and resumes automatically unless the user cancels within a configurable grace window (default 5 min). Use when the user says "respawn", "set up respawn", "auto-resume", "revive this…
aksheyw/claude-code-deep-review
Skill Claude CodeCodex
Iterative deep review using 14-lens methodology. Use when reviewing ANY plan, code review, architecture doc, test plan, or security assessment, before claiming it is complete. Runs fourteen lenses from different analysis angles and repeats the full set until a whole pass finds nothing new. Each lens catches issues…
ronalships/claude-devops-skill
Skill Claude CodeCodex
Opinionated production-grade DevOps defaults for Terraform, Kubernetes, CI/CD, Docker, cloud security, observability, cost, and disaster recovery. ALWAYS use when generating, reviewing, or modifying any infrastructure code, Kubernetes manifests (Deployment, Service, StatefulSet, Helm, Kustomize), Terraform (.tf…
Skill Claude CodeCodex
Multi-agent staged language polish for English-language academic manuscripts whose science is already settled (post peer-review). Runs eight parallel specialist subagents — consistency, tense, hedging, prose, coherence, abstract, manuscript hygiene (reviewer-talk, sycophancy, implementation leakage), and AI-authorship…
Skill Claude CodeCodex
Act as a licensing expert who helps the user choose or write a license for their project. Use this WHENEVER the user asks "what license should I use", wants to license a repo, library, app, content, dataset, fonts, or hardware, is unsure between MIT / Apache / GPL / AGPL / BSD / MPL / Creative Commons, asks about…
Skill Claude CodeCodex
Fix a bug with xReview peer review. Codex is the developer, a peer LLM agent reviews your work. Use when: /bugfix, fix a bug with review.
Skill Claude CodeCodex
Generate production-grade CLAUDE.md project reference documents for Claude Code. Use when a user wants to create a CLAUDE.md, project spec, or architectural reference for AI-assisted development. Incorporates LLM reasoning failure mitigations (constraint-based guardrails, concrete examples, verification checkpoints)…
Deixtra-Private-Limited/claude-laravel-13-skill
Skill Claude CodeCodex
Comprehensive Laravel 13.x expert skill covering the entire framework — installation, configuration, routing, controllers, middleware, Blade views, Eloquent ORM, migrations, queues, jobs, events, mail, notifications, caching, Redis, scheduling, service container, service providers, authentication, authorization, AI…
Skill Claude CodeCodex
Adapt content across languages, cultures, and platforms so it reads as if a native wrote it from scratch — not a word-for-word translation, but a rebuild that respects tone, conventions, formatting, humor, and the unspoken rules of the target context. Works for ANY language and ANY platform, in any direction…
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: