Languages skills

8,981 tagged Languages, measured the same way as everything else here.

Browse within: LLM 112agents 112skills 93antigravity 92agent 91claude-code-skills 86ai-coding 83cli 73azure 69dotnet 69javascript 68copilot 65sdk 63openai 62

no-problem-dev/claude-code-plugins

Skill Claude CodeCodex

A guide for structuring iOS applications using clean architecture, an approach that separates user-interface code, business rules, and external services. It also covers local Swift packages and package dependencies.

not rated 5 5mo ago A 0 tokens

code-quality-analysis

483

Cumulocity-IoT/cumulocity-skills

Skill Claude CodeCodex

Analyze Angular / Cumulocity Web SDK code for anti-patterns, bugs, and quality issues. Use when reviewing components, services, or modules for code quality, maintainability, performance, and correctness. Covers TypeScript best practices, Angular idioms, C8Y SDK usage patterns, and project-specific conventions.…

not rated 5 8d ago A 90 tokens original Apache-2.0

Lggyy9/matlab2cpp-skill

Skill Claude CodeCodex

A workflow for moving numerical algorithms from MATLAB, a technical computing environment, into a C or C++ DLL that C# programs can call on Windows. It also checks that the converted results match MATLAB’s results.

not rated 5 2mo ago A 72 tokens original MIT

databricks-solutions/partner-ai-dev-kit

Skill Claude CodeCodex

PWAF-compliant Databricks JDBC Driver (databricks-jdbc v3+): PAT, OAuth M2M, OAuth U2M (custom OAuth app, token-env). Use when building or testing Java SQL warehouse integrations.

not rated 5 4mo ago A 57 tokens

typescript-guidelines

486

youssef-tharwat/lang-guidelines

Skill Claude CodeCodex

Enforce TypeScript & JavaScript lint rules (Oxlint), design guidelines (Google), and design patterns (Systemic TypeScript + GoF) for all TypeScript & JavaScript code generation and edits. Rules must be applied while writing code, not only in review. Triggers on any task that writes, edits, or refactors TypeScript &…

not rated 5 4mo ago A 79 tokens

anyhow-error

487

openclaw-commons/openclaw-skill-commons

Skill Claude CodeCodex

A command-line skill for working with Anyhow Error, a Rust library for collecting and reporting errors. Its documentation provides installation, default use, help, configuration, and verbose output examples.

not rated 5 6mo ago A 0 tokens original MIT

SweetenedSuzuka/Emuera-Basic-Agent-guide

Skill Claude CodeCodex

A guide for developing ERB scripts in Emuera, a scripting environment for game-like applications. It covers syntax, variables, commands, functions, game flow, character and CSV data, graphics, audio, tables, maps, XML, debugging, and configuration.

not rated 5 1mo ago A 79 tokens GPL-2.0

swiftui-compose

489

sorunokoe/swiftui-compose-skill

Skill Claude Code

Compose Multiplatform ↔ SwiftUI integration patterns. USE FOR: embedding Compose Multiplatform views in a SwiftUI app; embedding SwiftUI/UIKit components inside Compose Multiplatform; sharing state between Compose and SwiftUI; managing the Compose UIViewController lifecycle; bidirectional data flow with the…

not rated 5 2mo ago A 65 tokens original MIT

swift-kmp

490

sorunokoe/swift-kmp-skill

Skill Claude Code

KMP bridge standards for iOS. USE FOR: structuring a bridge layer between Kotlin Multiplatform (KMP) and Swift; integrating KMP iOS framework APIs in a Swift app (direct integration or SwiftPM); handling SKIE flows and sealed classes; mapping Kotlin models/errors to Swift domain types; keeping KMP imports confined to…

not rated 5 2mo ago A 92 tokens original MIT

ocaml

491

bsene/skills

Skill Claude CodeCodex

Write, review, debug, and explain OCaml code and dune projects. Use whenever the user mentions OCaml, .ml/.mli files, dune, dune-project, opam, Alcotest, qcheck, mutaml, camelot, deadcodeanalyzer, property-based testing, mutation testing, katas or exercises written in OCaml, or asks to convert JS/TS/PHP logic into…

not rated 5 changed 2d ago A 178 tokens

linux-ur/discord-net-components-v2

Skill Claude CodeCodex

Reference and implementation guide for building Discord bot UIs with Discord.Net's Message Components V2 system (ComponentBuilderV2) in C#. Covers every V2-only component (Container, Section, Text Display, Thumbnail, Media Gallery, File, Separator), the shared V1/V2 interactive components (Action Row, Button…

not rated 5 2mo ago A 222 tokens original MIT

kr

493

umuterturk/kotlin-renamer

Skill Claude Code

Use when renaming Kotlin symbols (classes, methods, properties, parameters), moving Kotlin files to other packages, or analyzing Kotlin project structure (outline, find, deps, beans, hierarchy, unused). Triggers on rename, refactor, move, outline, find, analyze requests involving .kt files.

not rated 5 6mo ago B 63 tokens original MIT

incr

494

dowdiness/incr

Skill Claude CodeCodex

Use when writing or reviewing MoonBit code against the dowdiness/incr reactive library (v0.14.x+) — building Inputs/Deriveds/ReachableDeriveds, attaching long-lived derived cells with Watch, adding microbenchmarks, or wrapping a reactive pipeline in a struct. Catches recurring idiom misses (inside-vs-outside read…

not rated 5 10d ago A 95 tokens original Apache-2.0

write-extension-local

495

aayushmau5/eva

Skill Claude CodeCodex

Write an Eva extension that runs on the same machine as the session — a script (.exs) compiled into Eva's VM, or a Mix project on its own local node. Use when asked to create, modify, or debug a local Eva extension.

not rated 5 2d ago A SkillSpector: pass 55 tokens original MIT

chen3feng/agent-skills

Skill Claude CodeCodex

Plan a Python 3 modernization sweep (f-strings, super(), type hints) as a series of mechanical PRs, not one mega-PR.

not rated 5 4mo ago A 37 tokens original Apache-2.0

feature-slice-rust

497

ricofritzsche/agentic-feature-slice-templates

Skill Claude CodeCodex

Create or modify a self-contained Rust feature slice with explicit boundaries, local naming, visible IO, and a small internal shape. Avoid generic technical roles, cross-feature dependencies, and one-file feature collapse.

not rated 5 5mo ago A 46 tokens

idiomatic-go

498

TypeFox/agent-skills

Skill Claude CodeCodex

Apply Go community idioms for API and package design, error and concurrency patterns, naming (initialisms, stutter, receivers), generics vs interfaces, and Go code review — including PR or diff review, questions about "the Go way", pointer vs value receivers, channels vs mutexes, and building Go language tooling…

not rated 5 today A SkillSpector: pass 137 tokens original MIT

dotnet-testing

499

iamBrzDev/enterprise-agent-skills

Skill Claude CodeCodex

Implements enterprise-grade testing strategies for .NET applications using xUnit, Moq, FluentAssertions, and WebApplicationFactory. Use when writing unit tests, integration tests, or API tests in .NET or C#, configuring test projects, deciding what to mock vs what to test with real dependencies, setting up shared test…

not rated 5 yesterday A 127 tokens original MIT

dotnet-development

500

devbyray/github-copilot-starter

Skill Claude CodeCodex

.NET coding standards and conventions including project structure, dependency injection, and best practices. Use when working with .NET projects, ASP.NET Core, or when the user asks about .NET architecture, dependency injection, async patterns, or project organization.

not rated 5 7mo ago A 52 tokens

profano

501

remorses/profano

Skill Claude CodeCodex

CLI tool to analyze V8 .cpuprofile files and Chrome Performance traces and print top functions by self-time or total-time in the terminal. ALWAYS load this skill when CPU profiling JavaScript or TypeScript programs (Node, Vitest, Bun, Chrome DevTools exports, Cloudflare Workers startup or request CPU). It shows how to…

not rated 5 15d ago A 90 tokens

marimo-notebook

502

adrunkhuman/marimo-opencode-skill

Skill Claude CodeCodex

Author interactive reactive Python notebooks with marimo. Covers interactive cell execution, reactive UI, SQL, state management, deployment, and export. For interactive notebooks, NOT Cell.run() API.

not rated 5 6mo ago A 43 tokens original MIT

laravel-upgrade

503

1weiho/laravel-upgrade-skill

Skill Claude CodeCodex

Upgrade Laravel applications one major version at a time (9→10, 10→11, 11→12). Use when user wants to upgrade their Laravel framework version. Auto-detects current version from composer.json, identifies breaking changes, and applies necessary code fixes.

not rated 5 7mo ago A 60 tokens original MIT

tsc-trace-analyzer

504

itaisatati/tsc-trace-analyzer

Skill Claude CodeCodex

Run and analyze TypeScript compiler traces using --generateTrace. Identifies slow type-checking operations, maps them to source code, and suggests concrete fixes. Use when users mention slow tsc builds, TypeScript performance, type-checking bottlenecks, or compilation speed.

not rated 5 5mo ago C 62 tokens original MIT

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