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

hidden-admin-auth

49

bishopZ/2026-Boilerplate

Skill Claude CodeCodex

Configure the private route as a hidden admin utility. Moves credentials to env vars; operator updates .env using .envTemplate instructions. No credentials passed to the skill.

not rated 24 3mo ago A 37 tokens original MIT

deepspider

51

ma-pony/deepspider

Skill Claude CodeCodex

Use when tracing browser requests, recovering JavaScript-generated request outputs, diagnosing anti-bot runtime gaps, or delivering independently verified scraping modules.

not rated 22 +1 changed 1mo ago A 32 tokens

skalex

52

TarekRaafat/skalex

MCP server Claude CodeCodexCursor +2

MCP server "skalex" as configured in TarekRaafat/skalex. Runs /absolute/path/to/examples/mcp-agent-server/index.js with node. Needs 1 environment variable to run.

not rated 21 2mo ago A tokens not measured original Apache-2.0

gitbook-mcp-server

53

tcsenpai/mcpbook

MCP server Claude CodeCodexCursor +2

MCP server "gitbook-mcp-server" as configured in tcsenpai/mcpbook. Runs locally from the gitbook-mcp-server npm package.

not rated 19 1y ago A tokens not measured original MIT

ProAnima/unity-version-control-mcp

Skill Codex

Work safely with Unity Version Control (Plastic SCM) through the uvcs MCP server. Use when the user asks about Plastic SCM or Unity Version Control state, pending changes, branches, labels, changesets, file history, blame, what changed between builds, reviewing a branch, previewing or running a merge, locking…

not rated 18 +1 11d ago A 101 tokens original MIT

claudiocebpaz/vite-react-best-practices

Skill Claude CodeCodex

Comprehensive React 19 and Vite 8 SPA performance, architecture, and deployment guidelines. Use this skill when building, reviewing, or refactoring React applications built with Vite (SPA). Covers Vite 8 build and static hosting requirements, React Router 8 route-level code splitting, TanStack Query v5 server state…

not rated 16 changed 4d ago A 85 tokens

mcp-mongodb-atlas

56

mongodb-developer/mcp-mongodb-atlas

MCP server Claude CodeCodexCursor +2

MCP Tool to operate and integrate MongoDB Atlas projects into an AI developed project. Runs locally from the mcp-mongodb-atlas npm package.

not rated 14 1y ago A tokens not measured original MIT archived

coolify

57

StuMason/coolify-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server "coolify" as configured in StuMason/coolify-mcp-server. Runs locally from the @modelcontextprotocol/coolify npm package.

not rated 13 9mo ago A tokens not measured archived

fund-holding-viewer

58

whjin/fundscope

Skill Claude CodeCodex

A deployment guide for a Chinese fund-holdings analysis web app. It covers running the app on Alibaba Cloud ECS, a virtual server service, with HTTPS through either a subdomain or a path on an existing domain.

not rated 11 7d ago A 77 tokens

agent-harness-kit

59

enmanuelmag/heimdall-mcp

MCP server Claude CodeCodexCursor +2

Another Handler Knex. Runs locally from the ahk npm package.

not rated 11 3mo ago A tokens not measured

JS Reverse Analyzer

60

sjhhh024-cmyk/Spider-JS-Mcp-Skills

Skill Claude CodeCodex

A general-purpose guide for examining JavaScript code to identify website encryption, request signatures, and anti-bot checks, then documenting the findings in Python.

not rated 10 9mo ago A 37 tokens original Apache-2.0

searoute

61

mayurrawte/searoute-ts

MCP server Claude CodeCodexCursor +2

Real shortest sea routes between ports: distance, canals/straits, GeoJSON. UN/LOCODE aware. Runs locally from the @searoute-ts/mcp npm package.

not rated 10 11d ago A tokens not measured original MIT

engram-memory

62

HBarefoot/engram

Skill Claude CodeCodex

Persistent cross-session memory via Engram's MCP tools (engramrecall, engramremember, engramcontext, engramfeedback, engramforget, engramstatus). Use this skill at the START of any session on a known project or with a known user — recall before acting. Also use it whenever the user states a preference, makes a…

not rated 9 4mo ago A 152 tokens original MIT

ai-analyzer

63

ranbot-ai/awesome-skills

Skill Claude CodeCodex

An AI health-analysis system that combines different kinds of health data, finds unusual patterns, estimates health risks, and generates personalised advice and reports.

not rated 8 +1 changed 21d ago A 46 tokens

ess-pr-review

64

CiscoDevNet/essentials

Skill Claude CodeCodex

AI-assisted review of one or more GitHub Pull Requests. Offloads deterministic checks (lint, complexity, duplication, security, perf) to repo linters via self-contained scripts, then applies LLM judgment to what linters cannot catch and posts high-signal findings after a single human approval. Pass one or many PRs…

not rated 7 3d ago A 160 tokens original Apache-2.0

corpus-anthology

65

FlapPearLabs/zhihu-grabber-toolkit

Skill Codex

A workflow for handling very large local collections of Zhihu answers stored in JSON or Markdown files. Zhihu is a Chinese question-and-answer platform.

not rated 6 4d ago A 66 tokens AGPL-3.0

typed-events

66

stephansama/packages

Skill Claude CodeCodex

Type-safe validated wrappers for browser CustomEvent, BroadcastChannel, and window.postMessage APIs using any standard-schema-compatible validator (zod, valibot, arktype). Use when implementing createEvent, createEventMap, createBroadcastChannel, createBroadcastEvent, or createMessage. For React hooks (useListener…

not rated 5 13d ago A 80 tokens original MIT

rippr-mcp

67

mrslbt/rippr

MCP server Claude CodeCodexCursor +2

Rip YouTube transcripts to disk for AI agents, RAG pipelines, and LLM workflows. Runs locally from the rippr-mcp npm package.

not rated 4 3mo ago A tokens not measured original MIT

dingtalk-wiki-mcp

68

ianen/dingtalk-wiki-mcp

Skill Claude CodeCodex

A connector for DingTalk, a Chinese workplace collaboration platform, that lets an agent read and write Wiki pages, documents, folders, mind maps, and workbook content.

not rated 4 8mo ago A 0 tokens original MIT

chainrpc-mcp

69

John0n1/chainrpc-mcp

MCP server Claude CodeCodexCursor +2

Safety-first EVM and Bitcoin RPC tools for balances, contracts, blocks, and transactions. Runs locally from the chainrpc-mcp npm package. Needs 4 environment variables to run.

not rated 4 2d ago A tokens not measured original MIT

ssdeanx/node-code-sandbox-mcp

MCP server Claude CodeCodexCursor +2

Run arbitrary JavaScript inside disposable Docker containers and install npm dependencies on the fly. Runs locally from the node-code-sandbox-mcp npm package.

not rated 4 1y ago A tokens not measured

gmail-mcp-server

71

ihiteshgupta/gmail-mcp-server

MCP server Claude CodeCodexCursor +2

Gmail MCP Server — read, send, search and manage Gmail through Claude using Google's official API and OAuth 2.0. 19 tools for emails, drafts, labels, threads, and attachments. Runs locally from the @dev-hitesh-gupta/gmail-mcp-server npm package.

not rated 3 7mo ago A tokens not measured original MIT

tiktok

72

trendsapi-ai/tiktok-trends-api

MCP server Claude CodeCodexCursor +2

TikTok hashtag volume over time, with growth for any hashtag. Free key at trendsapi.ai. Remote server at tiktok.api.trendsapi.ai.

not rated 3 +1 21d ago A tokens not measured 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: