Languages

14,393 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.

programming-swift

435

kylehughes/the-unofficial-swift-programming-language-skill

Skill Claude CodeCodex

Provides the complete content of 'The Swift Programming Language (6.4 beta)' book by Apple. Use this skill when you need to verify Swift syntax, look up language features, understand concurrency, resolve compiler errors, or consult the formal language reference.

not rated 46 6d ago A 55 tokens original MIT

sbox

436

gavogavogavo/claude-sbox

Skill Claude CodeCodex

Use when writing or modifying code for s&box, sbox, the Facepunch sandbox engine, or any Source 2 game project in C#. Triggers on mentions of s&box, sbox, sandbox game, Facepunch engine, Source 2 game, .sbproj, .razor with PanelComponent, @inherits PanelComponent, Sandbox.Component, GameObject + Components.Get …

not rated 46 2mo ago A 197 tokens original MIT

crypto-clients-net

438

JKorf/CryptoClients.Net

Cursor rule Cursor

Conventions for using CryptoClients.Net when working with multiple cryptocurrency exchanges in C#/.NET. Apply when generating aggregate exchange, shared API, WebSocket, order book, tracker, or dynamic credential code.

not rated 45 6d ago A 0 tokens original MIT

net

439

xuzeyu91/MCPP.Net

Cursor rule Cursor

A rule describing an experienced developer focused on .NET Core, a platform for building applications with Microsoft’s .NET technology, and MCP.

not rated 44 1y ago A 1,283 tokens

nette

440

nette/claude-code

Plugin Claude Code

Bundles 18 skills · 2,227 tokens together

Conventions and best practices for Nette Framework, Latte templating engine, and NEON configuration format.

not rated 44 25d ago A tokens not measured

kotlin

441

SteelMorgan/spring-mcp-1c-copilot

Cursor rule Cursor

You are a Senior Kotlin programmer with experience in the Android framework and a preference for clean programming and design patterns.

not rated 44 2mo ago A 964 tokens

foehn

442

kayhendriksen/foehn

MCP server Claude CodeCodexCursor +2

Python toolkit for Swiss weather data — download, query, and analyse MeteoSwiss Open Government Data. Runs locally from the foehn Python package.

not rated 44 3d ago A tokens not measured original MIT

acad-dotnet

443

autodesk-platform-services/skills

Skill Claude Code

Scaffold and develop AutoCAD 2027 .NET plugins (AutoCAD, Civil 3D, Plant 3D) targeting .NET 10 / x64. Covers dotnet new templates, csproj patterns, bundle packaging, desktop NETLOAD testing, and Design Automation deployment.

not rated 44 +1 14d ago A 62 tokens original MIT

distill-kura

444

lna-lab/distill-kura

MCP server Claude CodeCodexCursor +2

MCP server "distill-kura" as configured in lna-lab/distill-kura. Runs locally from the distill-kura Python package.

not rated 44 +3 yesterday A tokens not measured original MIT

haidrrrry/compose-kotlin-agent-skills

Skill Claude CodeCodex

Enterprise Android/Kotlin skill for 2026 — Kotlin 2.x K2 compiler, AGP 9, Navigation 3, edge-to-edge Compose, strict MVI with atomic state.update, banned AI antipatterns. Jetpack Compose, Hilt, Room, KMP, CameraX/ML Kit, performance, testing. Use when writing Kotlin for Android, building Compose UI, MVVM/MVI…

not rated 43 2mo ago A 149 tokens original MIT

darto-add-route

447

evandersondev/darto

Skill Claude CodeCodex

Add or modify HTTP endpoints in a Darto (Dart) web app — verbs, path/query params, request-body reading, route groups, and Context response helpers. Use when building or changing API routes in a project that depends on the darto package (import 'package:darto/darto.dart'). Not for Express/Node — Darto handlers take a…

not rated 43 1mo ago A 90 tokens original MIT

joshp123/xuezh

Skill Claude CodeCodex

Teach Mandarin using an LLM-first pedagogy, backed by a ZFC/Unix-style local engine (xuezh) that stores facts, runs mechanical transforms, and produces bounded reports/audio artifacts. Use for review, speaking/tones, graded input, and HSK audits.

not rated 43 3mo ago A 63 tokens AGPL-3.0

clojure-repl-dev

449

iwillig/clojure-system-prompt

Skill Claude CodeCodex

REPL-driven Clojure development for writing, editing, and debugging code. Triggers when working with Clojure files (.clj, .cljs, .cljc, .edn), handling namespaces, functions, or tooling. Provides idiomatic functional programming guidance through the REPL workflow.

not rated 43 2mo ago A 67 tokens original MIT

vibe-types

450

jpablo/vibe-types

Plugin Claude Code

Bundles 7 skills · 882 tokens together

Type system constraint guides for Python, Rust, Scala 3, Lean 4, and TypeScript — maps language features to the constraints they enforce at check/compile time.

not rated 43 +1 1mo ago A tokens not measured original Apache-2.0

Python Rope Refactor

451

brian-yu/python-rope-refactor

Skill Claude CodeCodex

Rope-first workflow for ANY mechanical Python rename/move (functions/methods/classes/variables/modules/packages), updating imports/references via scripts/roperefactor.py; use even for small renames; only fallback if rope fails/dynamic imports.

not rated 42 8mo ago A 55 tokens

ScriptingApp/scripting-app-development

Skill Claude CodeCodex

Develop, modify, debug, and validate Scripting App projects: TypeScript/TSX scripts, iOS-style pages, native APIs, Widgets, Live Activities, rich notifications, Shortcuts/Share Sheet intents, App Intents, and Safari browser scripts. Uses Scripting's official llms.txt as the API reference entry point.

not rated 42 +2 1mo ago A 72 tokens

write-swift

453

wangmiaozero/pi-harness

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 42 +1 2d ago A 107 tokens AGPL-3.0

ara3d-authoring

454

ara3d/ara3d-sdk

Skill Claude CodeCodex

Author Ara 3D Studio tools — generators (make geometry) and modifiers (transform geometry) — as standalone C# scripts. Use when the user says "write a modifier", "create a generator", "make an Ara 3D tool", "new Studio script", asks how modifiers/generators/Eval/parameters/EvalContext work, or wants to add a mesh…

not rated 41 18d ago A 99 tokens original MIT

mnemonica-core

455

wentout/mnemonica

Skill Claude CodeCodex

Instance inheritance system for JavaScript/TypeScript using prototype chains. Use when the user mentions mnemonica, define(), prototype inheritance, TypeRegistry, lookup, tactica, instance inheritance, or when working with the mnemonica core library. Covers: define() patterns, type-safe lookup with tactica…

not rated 41 2d ago A 93 tokens original MIT

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