Skills for Codex

210,899 that install into Codex. Same mod, same page, whichever agent you run: a URL per tool would split one page into five that compete.

memorax-code

1057

memorax-ai/memorax-code

Skill Codex

Use this skill as the single router for persistent coding and repository-local memory. Invoke it whenever a request may involve prior-work knowledge, repository memory, reusable procedures or rules, durable profile or interaction preferences, or information worth retaining beyond the current task. This applies without…

not rated 1.2k +35 changed 6d ago A SkillSpector: pass 173 tokens original MIT

human-review

1058

petergyang/human-review

Skill Claude CodeCodex

Open an HTML file, Markdown file, or localhost page in the browser so the user can edit text directly and leave comments on specific parts, then send all edits and comments back to you. Use after writing or updating something the user will read — specs, plans, reports, newsletter drafts, landing pages, slide decks…

not rated 1.2k +16 changed 6d ago A SkillSpector: warn 73 tokens original MIT

cao-workflow

1059

awslabs/cli-agent-orchestrator

Skill Claude CodeCodex ✓ vendor

Author and run CAO Python workflow scripts — multi-step, parameterized, fan-out orchestrations executed by cao workflow run. Use when the user wants a repeatable multi-step job (e.g. data analysis over many files, a review pipeline, a parameterized batch). Authoring ends at a validated script file; running it is a…

not rated 1.2k +38 today A SkillSpector: warn 79 tokens original Apache-2.0

attackgen-tabletop

1060

mrwadams/attackgen

Skill Claude CodeCodex

Turn a MITRE ATT&CK/ATLAS threat group or case study — or a frontier AI agent deployed inside the organisation — into a full incident-response tabletop exercise (MSEL): scenario narrative, kill chain or agent threat scope, timestamped injects, discussion questions, and a detection-coverage scorecard, using the…

not rated 1.2k today A SkillSpector: pass 155 tokens GPL-3.0

swift-mlx-lm

1061

kellyvv/PhoneClaw

Skill Claude CodeCodex

MLX Swift LM - Run LLMs and VLMs on Apple Silicon using MLX. Covers local inference, streaming, wired memory coordination, tool calling, LoRA fine-tuning, embeddings, and model porting.

not rated 1.2k +4 1mo ago A SkillSpector: pass 52 tokens original Apache-2.0

x-research

1062

rohunvora/x-research-skill

Skill Claude CodeCodex

General-purpose X/Twitter research agent. Searches X for real-time perspectives, dev discussions, product feedback, cultural takes, breaking news, and expert opinions. Works like a web research agent but uses X as the source. Use when: (1) user says "x research", "search x for", "search twitter for", "what are people…

not rated 1.2k +6 6mo ago A 193 tokens

test-guard

1063

amElnagdy/guard-skills

Skill Codex

Review generated or changed test code against universal testing rules before it ships. Best used reactively after an agent writes, edits, generates, or refactors tests, before presenting, committing, or merging them. Use for pytest (test.py, test.py), PHPUnit/Pest (Test.php), Jest/Vitest (.test.ts, .spec.js), Go…

not rated 1.2k +5 2mo ago A Socket: passSnyk: passSkillSpector: pass 182 tokens original MIT

optimizer

1064

inclusionAI/AWorld

Skill Claude CodeCodex

Analyzes and automatically optimizes existing agents by improving system prompts and tool configuration.

not rated 1.2k +1 yesterday A SkillSpector: warn 18 tokens original MIT

hello_js_reverse_skill

1065

WhiteNightShadow/hello_js_reverse_skill

Skill Claude CodeCodex

A skill for analysing and reproducing web API request signatures for platforms you own or are authorised to use, using Node.js or Python. It also covers browser debugging and protected JavaScript analysis.

not rated 1.2k +22 changed yesterday A 99 tokens

competitor-analysis

1066

firecrawl/web-agent

Skill Claude CodeCodex

Compare two or more companies, products, or platforms across pricing, features, positioning, and docs. Use this skill whenever the user says "compare X vs Y", "how does X stack up against Y", "alternatives to X", "competitive landscape of …", "X vs Y vs Z", or asks for a competitor matrix. Uses search to discover…

not rated 1.2k 4mo ago A SkillSpector: pass 108 tokens original MIT

tracely

1067

Jwuthri/Tracely-ai

Skill Claude CodeCodex

Instrument AI agents with Tracely and turn their production traces into CI gates. Use when the user mentions Tracely, tracely-ai, tracelysdk, the tracely CLI, or asks to trace/observe an AI agent, add LLM evaluators or LLM-as-a-judge columns, debug why a trace or conversation isn't showing up, wire agent regression…

not rated 1.4k +32 yesterday A SkillSpector: warn 120 tokens original MIT

front-tech-map

1068

wanxingai/LightAgent

Skill Claude CodeCodex

A research workflow for mapping the origins and development of an emerging technology field. It links academic research, open-source projects, companies, and founding teams into a visual technology map and written report.

not rated 1.2k +4 6d ago A SkillSpector: pass 114 tokens original Apache-2.0

review-pr

1069

sashiko-dev/sashiko

Skill Claude CodeCodex

Performs scrutinizing code reviews against project standards (e.g., GEMINI.md) and design docs. Intelligently detects relevant design files, categorizes findings (Safety, Complexity, Style), and generates actionable diffs. Use when the user asks to review a PR, diff, or specific codebase components.

not rated 1.2k +4 yesterday A SkillSpector: pass 66 tokens original Apache-2.0

daily-papers-review

1070

huangkiki/dailypaper-skills

Skill Claude CodeCodex

A paper-review step that reads enriched research-paper data and an Obsidian note library to produce opinionated recommendations. It compares new papers with existing notes so related work can be identified.

not rated 1.2k +14 19d ago A SkillSpector: pass 71 tokens original Apache-2.0

contacts

1071

vellum-ai/vellum-assistant

Skill Claude CodeCodex

Manage contacts, communication channels, access control, and invite links.

not rated 1.2k +21 changed 6d ago A SkillSpector: warn 14 tokens original MIT

userinterface-wiki

1072

open-gsd/gsd-pi

Skill Claude CodeCodex

UI/UX best practices for web interfaces. Use when reviewing animations, CSS, audio, typography, UX patterns, prefetching, or icon implementations. Covers 11 categories from animation principles to typography. Outputs file:line findings.

not rated 1.2k +16 today A SkillSpector: pass 52 tokens original MIT

seller-research

1073

cinderline/northcinder

Skill Claude CodeCodex

Use when researching a merchant, storefront, marketplace seller, or merchant of record for a buying decision, especially when identity, refund terms, fulfillment, counterfeit risk, domain history, or independent buyer outcomes are uncertain.

not rated 1.2k +6 19d ago A SkillSpector: pass 46 tokens original MIT

persian-tools/persian-tools

Skill Claude CodeCodex

A toolkit for checking, parsing, and generating Iranian identity, banking, billing, phone, and vehicle identifiers, such as national IDs, IBANs, card numbers, and license plates.

not rated 1.2k 1mo ago A SkillSpector: pass 112 tokens original MIT

ppt-design-skill

1075

sunchaokun/PPT-Design-Skill

Skill Codex

Design, generate, review, and revise editable PowerPoint presentations through a rigorous brief-to-PNG workflow using the public pptx-designer Python library.

not rated 1.2k +19 changed 3d ago A SkillSpector: pass 35 tokens original MIT

ef-profile

1076

phronesis-io/eigenflux

Skill Claude CodeCodex

Identity and profile lifecycle management for an installed EigenFlux Agent. Covers owner-directed Agent Card and setting changes, periodic profile refresh, credential refresh, historical account recovery, account switching, Dashboard access, and CLI server configuration. Use when an existing Agent needs profile or…

not rated 1.2k +118 changed 2d ago A 189 tokens

cleanup

1077

mem9-ai/mem9

Skill Claude CodeCodex

Remove mem9-managed Codex files before reinstalling, resetting, or uninstalling mem9.

not rated 1.2k +3 16d ago A SkillSpector: warn 19 tokens original Apache-2.0

ppt-image-first

1078

NyxTides/ppt-image-first

Skill Claude CodeCodex

A workflow for planning presentations and slide decks through conversation, with visual previews created before the final deck. It covers content, visual direction, page layouts, and review.

not rated 1.2k +2 4mo ago A 91 tokens original Apache-2.0

slides-grab-image

1079

NomaDamas/slides-grab

Skill Codex

Image-native presentation pipeline usable in Codex and Claude Code. Generate whole-slide raster images one slide at a time with slides-grab image, passing the reference template page as --reference so the model copies the layout and style and only swaps the content. Use when visual fidelity to an existing template…

not rated 1.2k +2 4d ago A SkillSpector: warn 69 tokens original MIT

coding-agent-standards

1080

repowise-dev/claude-code-prompts

Skill Claude CodeCodex

Defines practical standards for implementation-focused coding agents. Use when creating or editing code, especially when reliability, clarity, and low-risk delivery are required.

not rated 1.2k +1 4mo ago A SkillSpector: pass 35 tokens original MIT

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: