Languages

22,823 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

frontend-checklist

25

thedaviddias/Front-End-Checklist

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

TypeScript Execute (tsx): Node.js enhanced with esbuild to run TypeScript & ESM files. Runs locally from the tsx npm package.

not rated 74k +50 20d ago A tokens not measured

add-lang

27

colbymchenry/codegraph

Skill Claude CodeCodex

Add tree-sitter language support to codegraph end-to-end — wire the grammar + extractor, write tests, then benchmark extraction quality and retrieval value on 3 popular real-world repos. Use when the user runs /add-lang or asks to add/support a new language (e.g. Lua, Elixir, Zig, OCaml) in codegraph.

not rated 69k +401 3d ago A 77 tokens original MIT

programming

28

code-yeongyu/oh-my-openagent

Skill Claude CodeCodex

MUST USE for ANY work on .py .pyi .rs .ts .tsx .mts .cts .go files. One philosophy: strict types, modern stacks (Pydantic v2 / serde+thiserror / Zod / gin+sqlc+pgx+slog), modern toolchains (uv+basedpyright+ruff / cargo+clippy+miri / Bun+Biome+tsc / gofumpt+golangci-lint v2+nilaway+go-race), parse-don't-validate…

not rated 69k +71 today A 282 tokens

openinterpreter/openinterpreter

Instructions file CodexOpenCode

Instructions for openinterpreter/openinterpreter, covering rust/codex-rs, the codex-core crate, code review rules, crate api surface and model visible context.

not rated 68k +20 15d ago A 5,182 tokens copy · 100% Apache-2.0

laravel-actions

30

coollabsio/coolify

Skill Claude CodeCodex

Build, refactor, and troubleshoot Laravel Actions using lorisleiva/laravel-actions. Use when implementing reusable action classes (object/controller/job/listener/command), converting service classes/controllers/jobs into actions, orchestrating workflows via faked actions, or debugging action entrypoints and wiring.

not rated 61k +85 2d ago A 62 tokens original Apache-2.0

code-reviewer

31

anthropics/claude-cookbooks

Agent Claude Code ✓ vendor

Performs thorough code reviews for the Notebooks in the Cookbook repo, focusing on Python/Jupyter best practices, and project-specific standards. Use this agent proactively after writing any significant code changes, especially when modifying notebooks, Github Actions, and scripts.

not rated 52k +47 yesterday A 52 tokens original MIT

tldraw-migrate

32

tldraw/tldraw

Skill Claude CodeCodex

Migrate a project to a newer version of the tldraw SDK. Use when upgrading tldraw packages, fixing TypeScript errors after a tldraw upgrade, or when the user mentions tldraw migration.

not rated 50k today A 50 tokens

tsdown

33

moeru-ai/airi

Skill Claude CodeCodex

Bundle TypeScript and JavaScript libraries with blazing-fast speed powered by Rolldown. Use when building libraries, generating type declarations, bundling for multiple formats, or migrating from tsup.

not rated 49k +102 2d ago A 41 tokens original MIT

cli AGENTS.md

34

cli/cli

Instructions file CodexOpenCode

Instructions for cli/cli, covering agents.md, security disclosures, build, test, and lint, architecture and command structure.

not rated 46k 6d ago A 1,854 tokens original MIT

python_lib

35

streamlit/streamlit

Cursor rule Cursor

Tips and guidelines specific to the development of the Streamlit Python library, not applicable to scripts and e2e tests.

not rated 46k +15 changed 2d ago A 0 tokens original Apache-2.0

typescript

36

streamlit/streamlit

Cursor rule Cursor

Changes to these high-fan-out internals can affect every message, delta, element, or rerun. Keep work in them minimal, and benchmark changes with representative stress-test apps.

not rated 46k +15 changed today A 4,727 tokens original Apache-2.0

streamlit/streamlit

Instructions file GitHub Copilot

Instructions for streamlit/streamlit, covering python unit test guide, key principles, running tests and typing tests.

not rated 46k +15 today A 784 tokens copy · 91% Apache-2.0

payload AGENTS.md

38

payloadcms/payload

Instructions file CodexOpenCode

AGENTS.md instructions for payloadcms/payload, a project described as: Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.

not rated 45k today A 12 tokens original MIT

ccxt-csharp

39

ccxt/ccxt

Skill Claude CodeCodex

CCXT cryptocurrency exchange library for C# and .NET developers. Covers both REST API (standard) and WebSocket API (real-time). Helps install CCXT, connect to exchanges, fetch market data, place orders, stream live tickers/orderbooks, handle authentication, and manage errors in .NET projects. Use when working with…

not rated 44k +25 2d ago A 94 tokens original MIT

zod CLAUDE.md

40

colinhacks/zod

Instructions file

Claude Code instructions for colinhacks/zod, a project described as: TypeScript-first schema validation with static type inference.

not rated 44k today A 3 tokens copy · 100% MIT

cursorrules

41

agno-agi/agno

Cursor rule Cursor

You are an expert in Python, Agno framework, and AI agent development.

not rated 42k +32 2d ago A 1,090 tokens original Apache-2.0

TEST_LOG

42

agno-agi/agno

Agent

Agent "TEST_LOG" from agno-agi/agno, covering testlog and structure validation.

not rated 42k +32 2d ago A 0 tokens original Apache-2.0

coding-guidelines

43

trpc/trpc

Cursor rule Cursor

You are working on tRPC - a TypeScript-first RPC library that provides end-to-end type safety between client and server. As a TypeScript expert contributing to this library, you should.

not rated 41k +9 3d ago A 0 tokens original MIT

figma-use

44

novuhq/novu

Skill Claude CodeCodex

MANDATORY prerequisite — you MUST invoke this skill BEFORE every usefigma tool call. NEVER call usefigma directly without loading this skill first. Skipping it causes common, hard-to-debug failures. Trigger whenever the user wants to perform a write action or a unique read action that requires JavaScript execution in…

not rated 40k +9 today A 114 tokens

novuhq/novu

Skill Claude CodeCodex

Integrate Novu's in-app notification inbox into web applications. Supports React, Next.js, and vanilla JavaScript. Includes the Inbox component (bell icon + notification feed), composable components (Bell, Notifications, InboxContent, Preferences), headless hooks, branded theming, custom render props, multi-tenancy…

not rated 40k +9 today A 111 tokens

010-python-tooling

46

wshobson/agents

Cursor rule Cursor

Python tooling and dependency conventions for plugin-eval and tools/.

not rated 39k +48 2d ago A 0 tokens original MIT

write-swift

47

emilkowalski/skills

Skill Claude CodeCodex

How to write modern Swift well — modeling with value types, Swift 6 data-race safety and approachable concurrency (@concurrent, main-actor-by-default, actors, task groups), protocols and generics (some vs any), API design, performance and ARC, Swift Testing, macros, and the modern language features agents don't know…

not rated 35k +889 13d ago A 107 tokens original MIT

diffusers CLAUDE.md

48

huggingface/diffusers

Instructions file ✓ vendor

Claude Code instructions for huggingface/diffusers, a project described as: 🤗 Diffusers: State-of-the-art diffusion models for image, video, and audio generation in PyTorch.

not rated 34k +12 2d ago A 5 tokens copy · 100% Apache-2.0

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: