Languages skills

9,401 tagged Languages, measured the same way as everything else here.

Browse within: agents 134LLM 130skills 121ai-coding 119agentic-ai 100agent 93claude-code-skills 89antigravity 86dotnet 76azure 74cli 73javascript 71openai 69sdk 67

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 +378 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 103k +175 changed 12d ago A ✓ AI review Socket: passSnyk: passSkillSpector: pass 57 tokens original MIT

scrapling-official

03

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 89k +1.3k changed 3d ago A ✓ AI review SkillSpector: warn 76 tokens original BSD-3-Clause

rust-string-enums

04

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 62k +414 changed 12d ago A 41 tokens

omarchy-app

05

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 45k +294 changed 6d ago A 138 tokens 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 +8 3d ago A SkillSpector: pass 68 tokens original Apache-2.0

segment-docs

07

JanDeDobbeleer/oh-my-posh

Skill Claude CodeCodex

Reference mapping between Oh My Posh Go segment source code and MDX documentation. Use when creating, updating, or auditing segment documentation, or when reading segment Go code and needing to understand how code constructs map to user-facing options, template properties, and type representations in docs.

not rated 24k +26 5d ago A Snyk: passSkillSpector: pass 59 tokens original MIT

marimo-pair

08

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 +91 changed 1mo ago A Snyk: passSkillSpector: pass 57 tokens original Apache-2.0

migrate-oxfmt

09

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 +79 changed 6d ago A Socket: passSnyk: passSkillSpector: warn 48 tokens original MIT

quantum-qiskit

10

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 +75 2mo ago A SkillSpector: pass 102 tokens original MIT

stripe-projects

11

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 14k +126 changed 7d ago A SkillSpector: warn 51 tokens original Apache-2.0

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 +42 today A 159 tokens

xberg-io/xberg

Skill Claude CodeCodex

Design, implement, or diagnose Xberg plugin traits, typed registries, priority collisions, lifecycle, native extractors, and Alef-generated Python plugin bridges. Load for plugin-system work, not ordinary extractor parsing.

not rated 9.4k +21 changed 9d ago A SkillSpector: pass 43 tokens original MIT

adk-sample-creator

14

google/adk-go

Skill Claude CodeCodex ✓ vendor

Author or rework a runnable example under examples/ in the ADK Go repository — the directory, main.go, the README with its Mermaid diagram and real transcript, and the index row. Use when adding a sample for a feature (workflow graph, tool, registry client, model backend, server), when asked to "add an example" for…

not rated 8.9k +26 today A Snyk: passSkillSpector: pass 94 tokens 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 8.8k +221 yesterday A SkillSpector: pass 111 tokens

agent-squad-python

16

2FastLabs/agent-squad

Skill Claude CodeCodex

Use when building or modifying a Python app that uses the agent-squad Python package — async multi-agent orchestration for Python 3.11+: orchestrator, agents (BedrockLLMAgent, AnthropicAgent, OpenAIAgent, SupervisorAgent, GroundedAgent, ChainAgent, and more), classifier routing (Bedrock, Anthropic, OpenAI), storage…

not rated 7.8k +4 12d ago A SkillSpector: pass 113 tokens original Apache-2.0

pine-develop

17

tradesdontlie/tradingview-mcp

Skill Claude CodeCodex

Full Pine Script development loop — write code, compile, fix errors, iterate. Use when building a new indicator or strategy in TradingView.

not rated 6.9k +64 2mo ago A SkillSpector: pass 32 tokens

dcg

18

Dicklesworthstone/destructive_command_guard

Skill Claude CodeCodex

Destructive Command Guard - High-performance Rust hook for Claude Code that blocks dangerous commands before execution. SIMD-accelerated, modular pack system, whitelist-first architecture. Essential safety layer for agent workflows.

not rated 6.2k +23 changed 14d ago F ✓ AI review 42 tokens

generate-code-cs

19

Azure/azure-sdk-for-net

Skill Claude CodeCodex needs its repo ✓ vendor

Generate the code from typespec for C#. Parameter: C# SDK repository root location .

not rated 6.1k +6 today A SkillSpector: pass 26 tokens original MIT

agentscope-java

20

agentscope-ai/agentscope-java

Skill Claude CodeCodex

Expert Java developer skill for AgentScope Java framework - a reactive, message-driven multi-agent system built on Project Reactor. Use when working with reactive programming, LLM integration, agent orchestration, multi-agent systems, or when the user mentions AgentScope, ReActAgent, Mono/Flux, Project Reactor, or…

not rated 6.1k +89 today A 91 tokens original Apache-2.0

antfu

21

antfu/skills

Skill Claude CodeCodex

Anthony Fu's opinionated tooling and conventions for JavaScript/TypeScript projects. Use when setting up new projects, configuring ESLint/Prettier alternatives, monorepos, library publishing, or when the user mentions Anthony Fu's preferences.

not rated 6.0k +16 changed 20d ago A Socket: passSnyk: passSkillSpector: warn 52 tokens original MIT

better-t-stack

22

AmanVarshney01/create-better-t-stack

Skill Claude CodeCodex

Create or extend an end-to-end type-safe TypeScript project with Better-T-Stack (create-better-t-stack). Use when the user wants to start, scaffold or bootstrap an app, API, fullstack project or monorepo with any of Next.js, TanStack Router or Start, React Router, Nuxt, Svelte, Solid, Astro, React Native, Hono…

not rated 5.8k +10 today A 149 tokens original MIT

zero

23

vercel-labs/zerolang

Skill Claude CodeCodex ✓ vendor

Install Zero and load version-matched workflows with zero skills.

not rated 5.4k +3 1mo ago C Socket: passSnyk: failSkillSpector: warn 14 tokens original Apache-2.0

shinnytech/tqsdk-python

Skill Codex

Explain, implement, or debug TqSdk Python workflows for waitupdate or ischanging update loops, market data retrieval, historical download, account type selection, funds or positions or orders or trades, field meanings, order placement or cancellation, target-position tools, TqScenario margin trials, real-account…

not rated 5.1k +9 4d ago A SkillSpector: pass 286 tokens original 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: