javascript for Codex

903 mods tagged javascript 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.

Also for Codex: anthropic · Git and workflow · Python · Web3 and blockchain · React · TypeScript · Go · openai · android · docker · Rust · bun

draft-release-notes

02

prisma/orm

Skill Claude CodeCodex ✓ vendor

Author the committed release-notes file for a Prisma 8 release (stable or 8.0.0-rc.N) by enumerating the merged PRs since the previous release v tag (stable or -rc.N), resolving opaque TML-NNNN: titles via Linear context (never copied verbatim), triaging public-worthiness, and writing categorized notes — breaking…

not rated 48k +4 changed 1mo ago A Snyk: warnSkillSpector: pass 174 tokens original Apache-2.0

PostHog/posthog

Skill Claude CodeCodex

Implement and extend PostHog Data warehouse import sources. Use when adding a new source under products/warehousesources/sources/ (or changing one there or under products/warehousesources/backend/temporal/dataimports/sources), adding datasets/endpoints to an existing source, or adding incremental sync, resumable…

not rated 41k +136 changed today A SkillSpector: warn 83 tokens

events-system

04

phaserjs/phaser

Skill Claude CodeCodex

Use this skill when working with the Phaser 4 event system. Covers EventEmitter, scene events, game events, custom events, and event-driven communication. Triggers on: events, on, emit, EventEmitter, scene events, listeners.

not rated 41k +43 2mo ago A ✓ AI review Socket: passSnyk: passSkillSpector: warn 52 tokens original MIT

turborepo

05

vercel/turborepo

Skill Claude CodeCodex ✓ vendor

Configure and troubleshoot Turborepo repositories. Use when working with turbo.json, task pipelines, caching, Remote Cache, the turbo CLI, filtering, environment variables, package boundaries, monorepo structure, or CI workflows.

not rated 31k +25 changed 1mo ago A Socket: passSnyk: passSkillSpector: warn 50 tokens original MIT

factory-rereview

06

mastra-ai/mastra

Skill Claude CodeCodex

Re-review a pull request after a push — reconcile the previous review against the new commits, look for new defects the push introduced, then a fresh pass over the whole PR, and finish with a verdict on the PR.

not rated 29k +146 changed 10d ago A SkillSpector: warn 48 tokens

adr-skill

07

vercel/ai

Skill Claude CodeCodex ✓ vendor

Create and maintain Architecture Decision Records (ADRs) optimized for agentic coding workflows. Use when you need to propose, write, update, accept/reject, deprecate, or supersede an ADR; bootstrap an adr folder and index; consult existing ADRs before implementing changes; or enforce ADR conventions. This skill uses…

not rated 28k +130 yesterday A Socket: passSnyk: passSkillSpector: warn 89 tokens

migrate-oxfmt

08

oxc-project/oxc

Skill Claude CodeCodex

Guide for migrating a project from Prettier or Biome to Oxfmt. Use when asked to migrate, convert, or switch a project's formatter from Prettier or Biome to Oxfmt.

not rated 23k +66 changed 4d ago A Socket: passSnyk: passSkillSpector: warn 48 tokens original MIT

qiankun

09

umijs/qiankun

Skill Claude CodeCodex

Usage manual for building micro-frontend projects with qiankun 3.x. Use when the user wants to create a qiankun main (host) app or sub (micro) app, convert an existing Vite app into a qiankun micro app, or wire up micro-frontend loading with React/Vue.

not rated 17k +5 changed 13d ago A SkillSpector: pass 69 tokens original MIT

node-crawler

10

bda-research/node-crawler

Skill Claude CodeCodex

Node.js web crawler for production-grade, large-scale tasks — NOT for simple one-off requests. Use only when: bulk scraping, batch downloading, multi-page crawling, long-running spiders, or complex multi-step workflows that need connection pooling, rate limiting, proxy rotation, automatic retries, and Cheerio parsing.…

not rated 6.8k +1 4mo ago A SkillSpector: pass 115 tokens original MIT

preline-mcp

11

htmlstreamofficial/preline

Skill Codex

Add, integrate, or build Preline UI components and blocks into HTML files via the Preline MCP server. Use when the user mentions "preline", says "/preline", asks to add a UI component, or requests a Preline block (a ready-made page section) using Preline UI.

not rated 6.5k +6 2mo ago A SkillSpector: warn 66 tokens

Tencent/puerts

Skill Claude CodeCodex ✓ vendor

Guide for developing LLM agents based on PuerTsAgent framework — covers resource directory structure, system-prompt, skills, builtin modules, and best practices.

not rated 6.3k +8 2d ago A SkillSpector: warn 39 tokens

vercel/eve

Skill Codex ✓ vendor

Apply dashboard-grade chat UX patterns in the Eve chat template. Use when changing Next.js Cache Components/PPR behavior, static shell layout, Suspense bootstrap boundaries, theme hydration, auth display hydration, signed-in/signed-out static shell behavior, optimistic messages, streaming row identity…

not rated 5.8k +77 today A 84 tokens original Apache-2.0

memlab

14

facebook/memlab

MCP server Claude CodeCodexCursor +2 ✓ vendor

MCP server "memlab" as configured in facebook/memlab. Runs packages/mcp-server/bin/memlab-mcp.js with node. Needs 1 environment variable to run.

not rated 5.1k 6d ago A tokens not measured original MIT

taro-ui-guide

15

jd-opensource/taro-ui

Skill Claude CodeCodex

Guides installation, Taro config, styling, and usage of taro-ui (At components) for WeChat/Alipay/H5/RN. Use when building Taro apps with taro-ui, picking components, theming, i18n, or modifying packages/taro-ui source.

not rated 4.7k +2 1mo ago A SkillSpector: pass 66 tokens original MIT

ax-ai

16

ax-llm/ax

Skill Claude CodeCodex

This skill helps an LLM generate correct AI provider setup and configuration code using @ax-llm/ax. Use when the user asks about ai(), providers, models, routing, adaptive balancing, presets, embeddings, batch audio with ai.transcribe() or ai.speak(), extended thinking, context caching, or mentions…

not rated 3.0k +6 changed 2d ago A SkillSpector: warn 105 tokens original Apache-2.0

task-manager

17

iamlukethedev/Claw3D

Skill Claude CodeCodex

Capture actionable user requests as persistent tasks, update task status as work progresses, and keep a shared task store in sync. Use when a user asks an agent to do work, check progress, block a task, complete a task, or manage the Kanban board.

not rated 2.4k +13 2d ago A SkillSpector: warn 56 tokens original MIT

dynamic-archify

18

Unclecheng-li/AI_Animation

Skill Claude CodeCodex

Create professional architecture, workflow, sequence, data-flow, and lifecycle/state diagrams as standalone animated HTML files with SVG graphics, flowing animation effects, a built-in dark/light theme toggle, and one-click export to PNG / JPEG / WebP / SVG / GIF / WebM. Accepts plain-language descriptions or pasted…

not rated 1.7k +52 11d ago A SkillSpector: pass 163 tokens original MIT

wakaru

19

pionxzh/wakaru

Skill Claude CodeCodex

Turn minified, bundled, or transpiled JavaScript back into readable modules. Use when you encounter unreadable production JS — a webpack/esbuild/Metro/Rollup bundle, a minified vendor script, Babel/TypeScript/SWC-transpiled output, or a single mangled .js file — and need to read, audit, debug it, or recover a…

not rated 1.1k +11 changed 3d ago A SkillSpector: warn 99 tokens original Apache-2.0

THREE.Terrain

20

IceCreamYou/THREE.Terrain

Skill Claude CodeCodex

Use this guide when an agent must build, modify, inspect, or document a terrain scene with THREE.Terrain. The library creates heightmapped Three.js terrain and provides procedural generators, filters, material blending, decoration tools, grass, image conversion, analysis, and seeded randomness.

not rated 919 +3 yesterday A 0 tokens original MIT

npm-security

21

bodadotsh/npm-security-best-practices

Skill Claude CodeCodex

Prevent JavaScript/TypeScript projects from supply-chain attacks across package managers like npm, pnpm, yarn, bun, and deno. Use whenever planning, installing, updating dependencies or configuring package managers.

not rated 859 +1 changed 1mo ago A SkillSpector: warn 43 tokens original MIT

AfterEffectsMCP

22

Dakkshin/after-effects-mcp

MCP server Claude CodeCodexCursor +2

MCP server "AfterEffectsMCP" as configured in Dakkshin/after-effects-mcp. Runs C:\Users\Daniel\Downloads\after-effects-mcp\build\index.js with node.

not rated 854 +28 7mo ago A tokens not measured original MIT

featurevisor

23

featurevisor/featurevisor

Skill Claude CodeCodex

Author, test, query and integrate Featurevisor feature flags, A/B experiments and remote configuration. Use in Featurevisor projects (featurevisor.config.js) for features, segments, attributes, global variables and compositions, conditions, rollouts, test specs and scenarios, datafiles, targets, Sets and promotions…

not rated 814 changed yesterday A SkillSpector: warn 131 tokens original MIT

menu-interactions

24

asmyshlyaev177/react-horizontal-scrolling-menu

Skill Claude CodeCodex

Wire mouse, wheel and touch input for react-horizontal-scrolling-menu: onWheel/onScroll are plain (api, event) => void callbacks, while ALL mouse/touch props (onMouseDown, onMouseUp, onMouseMove, onMouseLeave, onTouchStart, onTouchMove, onTouchEnd) are handler factories (api) => (event) => void. Covers mouse…

not rated 788 changed 1mo ago A SkillSpector: pass 147 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: