Skills for Codex

216,052 that install into Codex. Same mod, same page, whichever agent you run: a URL per tool would split one page into five that compete.

mathruffian-dot/teaching-exam-skills

Skill Claude CodeCodex needs its repo

A Chinese-language question-writing assistant for middle-school, real-life mathematics problems that require written answers rather than choosing from options.

not rated 5 changed 26d ago A SkillSpector: warn 249 tokens original MIT

security

13730

olucasevangelista/security-skill

Skill Claude CodeCodex

Secure web and desktop application development. Use when writing authentication, authorization, API endpoints, form handling, database queries, file uploads, Electron apps, Tauri apps, IPC handlers, cryptography, secrets management, security headers, input validation, or when reviewing code for vulnerabilities. Covers…

not rated 5 6mo ago A 87 tokens

semantic-search:search

13731

adam-hanna/semantic-search-mcp

Skill Claude CodeCodex

Use when searching the codebase with natural language queries like "authentication logic" or "database connection".

not rated 5 9mo ago A 25 tokens original MIT

product-context

13732

postproxy/awesome-marketing-skills

Skill Claude CodeCodex

When the user wants to create or update their product marketing context document. Also use when the user mentions "product context", "marketing context", "positioning", "messaging foundation", "who is my audience", "brand voice", "ideal customer profile", or "product marketing." This skill creates the foundational…

not rated 5 7mo ago A 73 tokens

hvplot

13733

holoviz-dev/holoviz-skills

Skill Claude CodeCodex

Plot DataFrames and datasets using a Pandas .plot()-like API for Pandas, Polars, Xarray, DuckDB, Dask, and GeoPandas. Use when the user asks to visualize, plot, or chart tabular or multidimensional data. Do not use for element composition, streams, or custom Bokeh tools/tooltips (use HoloViews).

not rated 5 yesterday A 79 tokens original BSD-3-Clause

flow-nea-initiative-hu

13734

RDuuke/sdd-nea-flow

Skill Claude CodeCodex

Decompose initiative Features into detailed User Stories, one folder per HU (body + assets), keep a table of contents in the Feature spec, flag HUs that need enrichment (architect and/or designer), and emit a lean impact-map.yaml.

not rated 5 3mo ago A 56 tokens

Veritas Acta Verify

13735

VeritasActa/verify

Skill Claude CodeCodex

Signs every Claude Code tool call with an offline-verifiable Ed25519 receipt. Lets you audit exactly what Claude did and when, without trusting any server.

not rated 5 changed 19d ago A 37 tokens

claude-api

13736

bcefghj/forks-collection

Skill Claude CodeCodex

// Auto-generated stub for missing module export default {} export const SKILL.md = {}.

not rated 5 6mo ago A 0 tokens

learn-ingest

13737

Clawdia-Wonderlabs/learn-ingest

Skill Claude CodeCodex

Guided intake pipeline for learning materials — transcripts, course lessons, Drive folders, PDFs. ALWAYS trigger on /ingest-material. Also triggers when you paste a transcript, drop a file path, share a Google Drive link to course content, or say anything like "ingest this", "add this to my vault", "I just watched a…

not rated 5 5mo ago B 127 tokens

seo-audit

13738

kenlck/skills

Skill Claude CodeCodex

When the user wants to audit, review, or diagnose SEO issues on their site. Also use when the user mentions "SEO audit," "technical SEO," "why am I not ranking," "SEO issues," "on-page SEO," "meta tags review," "SEO health check," "my traffic dropped," "lost rankings," "not showing up in Google," "site isn't ranking,"…

not rated 5 1mo ago A 172 tokens

css-animation-creator

13739

OneWave-AI/ClaudeCodeUnleashed

Skill Claude CodeCodex

Create professional CSS animations, transitions, micro-interactions, and complex motion design. Use when adding animations, hover effects, loading states, page transitions, scroll animations, or any motion design work.

not rated 5 7mo ago A 44 tokens original MIT

obfuscation-bypass

13741

punishell/SKILLS

Skill Claude CodeCodex

Use this skill when the user wants to encode or obfuscate a prompt to evade content filters, use Base64, Hex, Leetspeak, Caesar cipher, Unicode encoding, Zero-Width characters, Variant Selector, Sneaky Bits, JSON wrapping, Synonym Substitution, Pig Latin translation, Chinese language bypass, Code Comment Smuggling…

not rated 5 6mo ago A 130 tokens

security-skill

13742

justinnoh/security-skill

Skill Claude CodeCodex

A software security review based on South Korea’s KISA 2021 security weakness guide. It checks 69 design and implementation categories and labels each one as passed, vulnerable, needing review, or not applicable.

not rated 5 3mo ago A 0 tokens original MIT

code-interview

13743

Paranoid49/skills

Skill Claude CodeCodex

A project-history documentation generator that examines Git commits, project documents, and source code to explain how a codebase changed over time.

not rated 5 6mo ago A 126 tokens original MIT

divide-and-conquer

13744

build000r/skills

Skill Claude CodeCodex

Decompose complex work into a Beads-backed execution graph with generated WORKGRAPH.md views, then run an NTM-style swarm by ready frontier with no write overlap. Use before parallel execution for large-ish, UI-facing, multi-file, multi-domain, naturally parallel, naturally orchestrated, subgoal-oriented, or…

not rated 5 changed 2d ago A 73 tokens

audit

13745

robertknight/skills

Skill Claude CodeCodex

Quickly audit the current project for obvious malicious or untrustworthy behavior so the user can decide whether it is safe to run, build, or install. This is a triage pass, not a full security review — aim for a dozen targeted checks, not an exhaustive audit.

not rated 5 5mo ago A 0 tokens

competitive-analysis

13746

insight68/Skills

Skill Claude CodeCodex

Analyze competitors with feature comparison matrices, positioning analysis, and strategic implications. Use when researching a competitor, comparing product capabilities, assessing competitive positioning, or preparing a competitive brief for product strategy.

not rated 5 5mo ago A 40 tokens original MIT

code-smells-analyzer

13747

berhalak/skills

Skill Claude CodeCodex

Analyze code for code smells from the Fowler / Beck / Kerievsky catalog (including the Industrial Logic Smells-to-Refactorings reference), then refactor them away one by one using named refactorings from Fowler's Refactoring and Kerievsky's Refactoring to Patterns. Each smell is fixed in isolation with a…

not rated 5 3mo ago A 90 tokens

skill-creator

13748

intrusive-memory/skills

Skill Claude CodeCodex

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

not rated 5 4mo ago A 45 tokens

ltp-analyze

13749

linux-test-project/ltp-agent

Skill Claude CodeCodex

LTP Test Analyzer - evaluate test quality, robustness, and coverage.

not rated 5 22d ago A 18 tokens GPL-2.0

irs-tax-guide

13750

charlootz/claude-cpa

Skill Claude CodeCodex

IRS Publication reference for business expenses, home office, travel/car, investments, retirement plans, HSAs, IRAs, and asset basis. Use when calculating deductions, determining eligibility, looking up tax rules, or answering specific tax questions about deductibility, limits, or requirements.

not rated 5 5mo ago A 59 tokens

type-design-analyzer

13751

jasmedia/cc-pr-reviewer

Skill Claude CodeCodex

Analyzes newly-added or significantly-modified types in a pull request for invariant strength, encapsulation, and enforcement. Produces 1-10 ratings on encapsulation/expression/usefulness/enforcement with concrete improvement suggestions. Use when reviewing PRs that introduce or substantially change types, classes…

not rated 5 1mo ago A 71 tokens original MIT

lead-listing-agent

13752

Xcaffrey13/lead-listing-agent

Skill Claude CodeCodex

Upload CSV lead lists (AI Ark, Prospeo, Store Leads) to Neon Postgres, clean company names, enrich sales reps via AI Ark API, scrape company websites, AI-powered website analysis (competitors, ICP, descriptions, pricing, categorization) via Workers AI, custom enrichment, ICP scoring. Triggers on: upload leads, lead…

not rated 5 5mo ago A 126 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: