Skills for Codex

217,807 that install into Codex. Same mod, same page, whichever agent you run: a URL per tool would split one page into five that compete.

i-code-by-hand

18505

mym0404/i-code-by-hand

Skill Codex

Use before repository-specific coding, review, debugging, refactoring, explanation, or planning to resolve agent guidance from local AGENTS.md/CLAUDE.md or shared /.icodebyhand notes. Also use when the user asks to remember, store, organize, update, bootstrap, or revise repo-specific guidance without a clear…

not rated 2 3mo ago A 105 tokens

agentic-engineering

18506

calcrowcrab/agentic-engineering

Skill Claude CodeCodex

Design, build, and operate AI agents end to end: understand the system, deep-research the tasks, then write the instructions from that understanding. Use when writing or fixing a system prompt, CLAUDE.md, or tool descriptions; deciding one agent vs several; debugging an agent that follows instructions poorly…

not rated 2 2mo ago A 208 tokens original MIT

skill-sync-review

18508

FFmorange/QDeskWatch

Skill Codex

A review process for deciding whether a project skill still matches the work it is meant to guide. It checks the skill’s trigger text, displayed description, instructions, supporting files, and boundaries with project documentation.

not rated 2 5mo ago A 135 tokens original MIT

project-governance

18509

1972143344-max/project-governance-skill

Skill Codex

Initialize and maintain project-scoped governance documents for large or long-running work. Use when the user wants a documentation-driven workflow, needs to prevent context drift or stale-file interference, wants spec/design/audit/lessons/decision docs, or wants plan-first handling before non-trivial changes.

not rated 2 4mo ago A 63 tokens original MIT

code-change-impact

18510

mghareeb/code-change-impact

Skill Claude CodeCodex

Trace the impact (blast radius) of a code change in ANY codebase and prove it didn't break anything else — language- and framework-agnostic. Use RIGHT AFTER a fix to a feature, function, module, type, route, API endpoint, schema, or config, before committing, opening a PR, or pushing. Triggers: "did this break…

not rated 2 3mo ago A 238 tokens original MIT

git-worktree

18511

nakano1122/dotfiles

Skill Claude CodeCodex

A guide to Git worktrees, which let one Git repository have several working directories at the same time.

not rated 2 3mo ago A 119 tokens

hassanzohdy/agent-kit

Skill Claude CodeCodex

Per-IDE setup walkthroughs for using @mongez/agent-kit with Claude Code, Cursor, Codex, Kiro, Gemini CLI, GitHub Copilot, Aider, and Antigravity. Each walkthrough shows the exact files agent-kit creates, the --target flag to pass, the reload quirks, and a copy-pasteable package.json snippet.

not rated 2 12d ago A 86 tokens original MIT

cc-opus-review-loop

18513

Xukai-YE/codex-cc-three-tier-skills

Skill Claude CodeCodex

Use for plan reviews and checkpoint reviews during implementation. Pass -Tier to select model preference: high-risk uses Opus 4.6 first, medium uses Sonnet 4.6 first. Supports relaxed cadence after 2 consecutive clean reviews.

not rated 2 5mo ago A 55 tokens

TaskExplainDiff

18514

qurugi0347/jun-codex

Skill Codex

Um guia para explicar alterações de código, diferenças entre versões, ramificações e solicitações de mudança, desde o contexto até o funcionamento da implementação. Pode transformar essa explicação em material de estudo em HTML ou no Notion.

not rated 2 1mo ago A 43 tokens

govern-init

18515

oakandfeather/ai-assisted-coding-governance

Skill Claude CodeCodex

Scaffold the AI-assisted coding governance package into a target project repository — copies the two entry files (AGENTS.md at the root and a thin CLAUDE.md) plus the companion rule files into an ai-governance/ directory, then interviews the user to fill in the placeholders and to author the active client's profile.…

not rated 2 26d ago A 159 tokens original MIT

forge-plugin-creator

18516

jslee124/forge

Skill Claude CodeCodex

A set of instructions for creating and maintaining Forge plugins. Forge plugins are local extensions that can add tools, commands, and other integration points to Forge.

not rated 2 6d ago A 58 tokens original MIT

amp-ralph

18517

nyaggah/amp-ralph

Skill Claude CodeCodex

Execute a PRD autonomously using Amp's native features. Converts PRD to JSON, creates branch, implements stories, commits, and tracks progress. Triggers on: execute this prd, run amp-ralph on, implement this prd, start autonomous execution.

not rated 2 9mo ago A 60 tokens original MIT

product-reverse

18518

rxdaozhang/product-reverse

Skill Claude CodeCodex

Use when the user provides a URL to a web product and wants to reverse-engineer it, analyze its UI/UX, discover its tech stack and API surface, and produce a comprehensive report plus actionable design document for building a similar product. Triggers on requests like "analyze this product", "reverse engineer this…

not rated 2 7mo ago A 98 tokens original MIT

crudcraft

18519

GitRavz/CRUDcraft

Skill Claude CodeCodex

Use when building or editing a small database-backed web app in ANY stack — plain PHP, Laravel, or Supabase, on MySQL/MariaDB, PostgreSQL, SQLite, SQL Server, or a hosted DB — scaffolding a project, creating or evolving a database, designing tables or writing SQL, adding login/registration or user roles, building a…

not rated 2 2mo ago A 174 tokens original MIT

virustotal

18520

vectra-ai-research/vectra-soc-agent-starter

Skill Claude CodeCodex

Enriches Vectra findings with VirusTotal threat intelligence — IOC reputation lookup for IPs, domains, URLs, and file hashes via the VirusTotal v3 API. Ships two paths — a standalone Bash CLI (scripts/vt-lookup.sh) for one-off lookups that needs only curl/jq, and a sourced framework adapter (scripts/virustotal.sh) for…

not rated 2 15d ago A 182 tokens original MIT

aoa-evals-skills

18521

8Dionysus/aoa-evals

Skill Codex

Route the aoa-evals skill family for central proof selection, review, evolution, named results or verdicts, source-linked reports, Eval Forge owner review, and proof lifecycle. Hand repository-local eval selection, application, intake/design, or session-hit classification to aoa-eval. Candidates, readiness checks…

not rated 2 14d ago A 84 tokens original Apache-2.0

jiuai233/JiuaiBox

Skill Codex

Use when modifying, fixing, reviewing, or refactoring existing code. Apply a lightweight workflow by default, and escalate to Spec -> Plan -> Execution -> Acceptance only for blocking ambiguity, cross-module changes, public interfaces, migrations, security, concurrency, architecture, or other high-risk work.

not rated 2 2mo ago A 62 tokens

create-pull-request

18523

David405/harness-kit

Skill Claude CodeCodex

Open a GitHub pull request using the kit PR template. Use when the user asks to open/create a PR, push and PR, or publish a branch. Write a detailed, product-facing description. Contracts and harness review stay local — never put feature IDs, contract paths, or harness sections in the PR title or body.

not rated 2 1mo ago A 70 tokens original Apache-2.0

zzz20020612/scientific-figure-standards

Skill Codex

Global hard standards for the user's scientific figures, manuscript plots, maps, GeoTIFF/raster visualizations, model-result charts, SHAP/ML figures, and submission-ready publication exports. Use whenever Codex creates, revises, reviews, audits, or writes code for any plotting or map task in any local project. Enforce…

not rated 2 4mo ago A 115 tokens original MIT

ai-context-saving

18525

CoderBhoid/ai-format

Skill Claude CodeCodex

Teaches the agent how to save and load cognitive context snapshots using the production-grade secure .ai-format file format, preserving memory states across runs with temporal decay.

not rated 2 2mo ago A 36 tokens original MIT

dev-tools-cli

18526

aai-labs/ai-starter

Skill Claude CodeCodex

Reference for interacting with GitHub (gh CLI), and the Atlassian stack — Jira, Confluence, Bitbucket, JSM — via atlassian-cli. Use when reading/writing issues, PRs, pages, or comments in any of these tools.

not rated 2 7d ago A 58 tokens

your-vault

18527

khanxxy/obsidian-second-brain

Skill Claude CodeCodex needs its repo

Use when working with this Obsidian vault. Enforces startup reading order, session-end handoff protocol (NOW.md + Projects/ /HANDOFF.md + !1 Work Log), TODO routing, vault sync workflow, Knowledge wiki rules, and agent operating conventions. Trigger on tasks involving the vault, Obsidian, Projects, NOW.md, HANDOFF.md…

not rated 2 changed 1mo ago A 93 tokens original MIT

richenyu/codex-smart-project-memory

Skill Codex needs its repo

Lightweight smart project memory for Codex. Use when the user wants to initialize or maintain persistent Codex project memory, create a multi-project workspace, add a new project with reusable context files, recover context in new chats, write session snapshots, compact important conclusions into durable files, route…

not rated 2 3mo ago A 78 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: