Languages

15,083 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.

react/react

Skill Claude Code needs its repo

Orchestrate the Rust compiler port end-to-end. Discovers the current frontier, fixes failing passes, ports new passes, reviews, and commits in a loop.

not rated 252k +196 today A Snyk: passSkillSpector: pass 38 tokens original MIT

fastapi

02

fastapi/fastapi

Skill Claude CodeCodex

FastAPI best practices and conventions. Use when working with FastAPI APIs, Pydantic models, dependencies, streaming responses including Server-Sent Events (SSE), and serving frontend apps. Keeps FastAPI code clean and up to date with the latest features and patterns.

not rated 105k +179 changed 29d ago A ✓ AI review Socket: passSnyk: passSkillSpector: pass 57 tokens original MIT

angular-20

03

angular/angular

Cursor rule Cursor ✓ vendor

This rule provides comprehensive best practices and coding standards for Angular development, focusing on modern TypeScript, standalone components, signals, and performance optimizations.

not rated 101k +37 today A 0 tokens original MIT

scrapling-official

04

D4Vinci/Scrapling

Skill Claude CodeCodex

Scrape web pages using Scrapling with HTTP requests, stealth browsers, JavaScript rendering, browser actions, API response capture, concurrent spiders, and adaptive parsing. Use when asked to scrape, crawl, or extract data from websites; webfetch fails; the site has anti-bot protections; write Python code to…

not rated 99k +6.8k changed 2d ago A ✓ AI review SkillSpector: warn 76 tokens original BSD-3-Clause

rust-string-enums

05

BerriAI/litellm

Skill Claude CodeCodex

Define or refactor Rust string-valued enums and their Serde adapters in litellm-rust, using Strum and serdewith while preserving parsing, wire values, and schemas.

not rated 63k +324 changed 9d ago A 41 tokens

omarchy-app

06

omacom/omarchy

Skill Claude CodeCodex

Build a new desktop app for Omarchy the way Omarchy's own apps are built (Hype, Monologue, Omacut): C++ and Qt Quick, compiled with qmake6 and make into a single binary, following the Omarchy theme live, and installed as an Arch package so it shows up in the app launcher. Use when asked to make, build, or scaffold an…

not rated 46k +286 changed 23d ago A 138 tokens original MIT

python_lib

07

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 +77 changed 2d ago A 0 tokens original Apache-2.0

mcp-for-blender

08

ahujasid/mcp-for-blender

MCP server Claude CodeCodexCursor +2

Open source Blender integration through the Model Context Protocol (not affiliated with Blender Foundation). Runs locally from the mcp-for-blender Python package. Needs 2 environment variables to run.

not rated 33k 3d ago A Socket: warn tokens not measured original MIT

binarywang/WxJava

Skill Codex

A contributor guide for adding or maintaining official WeChat API support in WxJava, a Java software development kit. It covers services, request and response data objects, data conversion, HTTP handling, starter configuration, and regression tests.

not rated 33k +11 today A SkillSpector: pass 68 tokens original Apache-2.0

marimo-pair

10

marimo-team/marimo

Skill Claude CodeCodex

Work inside the user's live marimo notebook from the code editor: run Python in the same kernel the user does, inspect live notebook state, and commit durable notebook changes through code mode. Use whenever you create, analyze, or improve the user's marimo notebook.

not rated 23k +60 changed 1mo ago A Snyk: passSkillSpector: pass 57 tokens original Apache-2.0

migrate-oxfmt

11

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 +61 changed 5d ago A Socket: passSnyk: passSkillSpector: warn 48 tokens original MIT

go-language-server

12

coder/coder

MCP server Claude CodeCodexCursor +2

One of 3 in .mcp.json

MCP server "go-language-server" as configured in coder/coder. Launched with go run github.com/isaacphi/mcp-language-server@latest -workspace ./ -lsp go -- r.

not rated 17k +50 today A tokens not measured AGPL-3.0

quantum-qiskit

13

aiming-lab/AutoResearchClaw

Skill Claude CodeCodex

Reference qiskit 2.x patterns for variational quantum machine learning. Covers data-encoding feature maps, variational quantum classifier (VQC) training, variational quantum eigensolver (VQE) for chemistry, matrix-product-state circuits, and noise model integration. Use when writing Python code that imports qiskit…

not rated 15k +26 2mo ago A SkillSpector: pass 102 tokens original MIT

stripe-projects

14

e2b-dev/E2B

Skill Claude CodeCodex

Use after E2B sandbox/API access has been provisioned through Stripe Projects and the user needs to use the resulting E2B API key with the E2B CLI, JavaScript SDK, Python SDK, or Code Interpreter SDK.

not rated 15k +89 changed 24d ago A SkillSpector: warn 51 tokens original Apache-2.0

coleam00/context-engineering-intro

Agent Claude Code

Dependency and configuration specialist for Pydantic AI agents. USE AUTOMATICALLY after requirements planning to set up agent dependencies, environment variables, model providers, and agent initialization. Creates settings.py, providers.py, and agent.py files.

not rated 14k +6 7mo ago A 54 tokens original MIT

modelcontextprotocol/typescript-sdk

Skill Claude CodeCodex ✓ vendor

Upgrades TypeScript code from v1 of the MCP TypeScript SDK (@modelcontextprotocol/sdk) to v2 (@modelcontextprotocol/client, /server, /core and the middleware packages): runs the official codemod, then works through what it cannot rewrite. Use whenever a project depends on @modelcontextprotocol/sdk and the user wants…

not rated 14k +24 changed 14d ago A 159 tokens

ultracite

17

elie222/inbox-zero

Cursor rule Cursor

Ultracite enforces strict type safety, accessibility standards, and consistent code quality for JavaScript/TypeScript projects using Biome's lightning-fast formatter and linter.

not rated 13k +50 today A 0 tokens

frontend

18

0xJacky/nginx-ui

Cursor rule Cursor

You are an expert in TypeScript, Node.js, Vite, Vue.js, Vue Router, Pinia, VueUse, Ant Design Vue, and UnoCSS, with a deep understanding of best practices and performance optimization techniques in these technologies.

not rated 12k +30 today A 0 tokens AGPL-3.0

es-toolkit

19

toss/es-toolkit

Plugin Claude Code

Bundles 3 skills · 140 tokens together

es-toolkit best practices: function recommendation, lodash migration, and compat guidance.

not rated 11k +3 today A tokens not measured original MIT

android-skills

20

android/skills

Plugin Claude Code

Bundles 36 skills · 3,451 tokens together

Android skills are Google's official dedicated repository of AI-optimized, modular instructions and resources, to help LLMs better understand and execute specific patterns that follow the best practices and guidance on Android development. Android skills follow the open-standard agent skills - markdown files…

not rated 10k +181 changed 2d ago A tokens not measured original Apache-2.0

ChenLiu-1996/figures4papers

Skill Claude CodeCodex

Covers publication-ready matplotlib figures for academic papers, slides, and reports—bars, trends, scatter, heatmaps, and multi-panel layouts—with this repository’s house style, print/vector export conventions, and parity with figures4papers demos. Use when the user is finalizing or creating such figures in…

not rated 9.7k +207 18d ago A SkillSpector: pass 111 tokens

xberg-io/xberg

Skill Claude Code

Change plugin traits, typed registries, lifecycle or Alef Python bridges.

not rated 9.6k +50 changed 7d ago A SkillSpector: pass 15 tokens original MIT

windsurfrules

23

MervinPraison/PraisonAI

Cursor rule

Below is an example TypeScript/Node.js folder structure replicating the Python package's layout. Each subfolder matches the Python counterpart (agent, agents, knowledge, etc.). All "LLM" or "litellm" references are replaced by aisdk usage.

not rated 9.3k +10 today A 4,722 tokens original MIT

ginkgo

24

onsi/ginkgo

Plugin Claude Code

Bundles 13 skills · 1,567 tokens together

Write, run, and debug Ginkgo/Gomega test suites in Go. Skills for the tree-construction mental model, spec authoring and cleanup, tables and generated specs, the full decorator reference, filtering, parallelism, ordered/flaky specs, timeouts and async, the CLI and CI configuration, reporting, and JSON-first failure…

not rated 9.1k +2 changed 4d 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: