Languages skills

9,050 tagged Languages, measured the same way as everything else here.

Browse within: agents 115LLM 112antigravity 98agent 93skills 93claude-code-skills 86ai-coding 83cli 73azure 69dotnet 69javascript 68copilot 65sdk 63openai 62

zod-v4

338

jahands/prompts

Skill Claude CodeCodex

Zod v4 coding guidelines and migration reference. ALWAYS read this when using Zod validation library.

not rated 19 7mo ago A 24 tokens original MIT

rust-best-practices

339

JSK9999/ai-nexus

Skill Claude CodeCodex

Comprehensive Rust best practices covering ownership, error handling, async patterns, testing, and project structure.

not rated 19 6mo ago A 25 tokens original Apache-2.0

agent-browser

340

samttoo22-MewCat/OpenSoul

Skill Claude CodeCodex

A command-line tool for controlling a web browser without a visible window. It can open pages, inspect their accessibility structure, interact with forms, take screenshots, create PDFs, and run JavaScript.

not rated 19 +1 5mo ago A 75 tokens original MIT

kernelcad-authoring

341

w1ne/kernelCAD-web

Skill Claude CodeCodex needs its repo

Author or modify kernelCAD models in TypeScript. Scripts live in .kcad.ts files; the kernelCAD CLI (kernelcad evaluate and kernelcad export stl|step|dxf|3mf|glb -o ) executes them via an OpenCASCADE WASM kernel.

not rated 19 +2 11d ago A SkillSpector: warn 55 tokens original MIT

coding-style

342

Fuwn/suckless-agent-skills

Skill Claude CodeCodex

Coding style guidelines for C and POSIX code, covering layout, formatting, declarations, headers, and consistency expectations.

not rated 18 5mo ago A 26 tokens original MIT

whmcs-dev-skills

343

Waqasahmedwaseer/whmcs-dev-skills

Skill Claude CodeCodex

Senior WHMCS Developer & Architect skill for AI coding agents. Builds, debugs, and maintains WHMCS Addon Modules, Provisioning (Server) Modules, Domain Registrar Modules, Payment Gateway Modules, and Action Hooks. Enforces WHMCS 8.x / 9.x best practices, modern PHP 8.1+ standards, Laravel Capsule ORM, Smarty v4…

not rated 18 7mo ago A 127 tokens GPL-2.0

coding-standards

344

ludo-technologies/python-best-practices

Skill Claude Code

Python coding standards and best practices covering error handling, performance optimization, async patterns, SOLID design principles, documentation, data validation, and object-oriented programming. Use when writing, reviewing, or refactoring Python code, or when the user asks about Python style, design, or best…

not rated 18 8d ago A SkillSpector: pass 63 tokens original MIT

castle-x/skills-x

Skill Claude CodeCodex needs its repo

Integrate PocketBase as a Go library using the github.com/castle-x/goutils/pocketbase (gopb) package to build single-binary full-stack applications. Use when building Go applications that need user authentication, embedding PocketBase into Go binary, registering custom API routes, managing default users, serving…

not rated 18 4mo ago A 92 tokens original MIT

phpstan-fixer

346

marcelorodrigo/agent-skills

Skill Claude CodeCodex

Fix PHPStan static analysis errors by adding type annotations and PHPDocs. Use when encountering PHPStan errors, type mismatches, missing type hints, or static analysis failures. Never ignores errors without user approval.

not rated 18 6d ago A SkillSpector: warn 46 tokens original MIT

rust-doctor

347

arthjean/rust-doctor

Skill Claude CodeCodex

Use when Rust code just changed and must not regress, when the user asks to scan, audit or health-check a Cargo workspace, says "rust-doctor", or wants one of its findings explained, tuned or switched off.

not rated 18 +1 changed yesterday A SkillSpector: warn 49 tokens original Apache-2.0

pytrio-skill

348

SwanHubX/pytrio-skill

Skill Claude CodeCodex

A Python software development kit for sending large-model training and inference work to the remote TRIO service. Your local code prepares data and controls the process while the service performs model calculations and saves weights.

not rated 18 +1 29d ago A SkillSpector: warn 191 tokens original MIT

dbos-java

350

dbos-inc/agent-skills

Skill Claude CodeCodex

DBOS Java SDK for building reliable, fault-tolerant applications with durable workflows. Use this skill when writing Java or Kotlin code with DBOS, creating workflows and steps, using queues, integrating DBOS with Spring Boot, using DBOSClient from external applications, or building JVM applications that need to be…

not rated 17 18d ago A SkillSpector: pass 69 tokens original MIT

swift-unit-testing

351

nonameplum/agent-skills

Skill Claude CodeCodex

Write, modify, and review deterministic Swift unit tests using the Swift Testing framework. Use when working with @Test.

not rated 17 1mo ago A 27 tokens

rails-conventions

353

ethos-link/rails-conventions

Skill Claude CodeCodex

Rails 8.x application architecture, implementation, and review guidance for production codebases. Use when building or reviewing Ruby on Rails 8 features across models, controllers, routes, Hotwire, jobs, APIs, performance, security, and testing. Trigger for requests mentioning Rails 8, Active Record, Active Job…

not rated 17 changed 5d ago A 92 tokens original MIT

arcpy-script

354

danmaps/gis-agent-skills

Skill Claude CodeCodex

Generate ArcPy scripts for ArcGIS Pro using live map context, layer sampling, and ArcGIS‑aware prompt rules.

not rated 17 5d ago A 27 tokens

nikships/skills-registry

Skill Claude CodeCodex

Build terminal UIs with Charmbracelet (Bubble Tea, Lip Gloss, Gum). Use when: Go TUI, shell prompts/spinners, "make CLI prettier", adaptive layouts, async rendering, focus state machines, sparklines, heatmaps, kanban boards, SSH apps.

not rated 17 +1 16d ago A SkillSpector: pass 65 tokens original Apache-2.0

wu5-dev-flow

356

WenOwen/wu5-dev-flow

Skill Codex

A Chinese-language workflow for developing Python projects with written specifications, strict red-green-refactor TDD, and Git safety checks. TDD means writing a failing test, making it pass, then improving the code.

not rated 16 1mo ago A 94 tokens original MIT

code-runner

357

formulahendry/agent-skill-code-runner

Skill Claude CodeCodex

Run code snippets in 30+ programming languages including JavaScript, Python, TypeScript, Java, C, C++, Go, Rust, Ruby, PHP, and more. Use when the user wants to execute code, test algorithms, verify output, run scripts, or check code behavior. Supports both interpreted and compiled languages.

not rated 16 8mo ago A 69 tokens original MIT

sn-sdk-fluent

358

aatrey882/servicenow-agent-skills

Skill Claude CodeCodex

Use when working with ServiceNow Fluent DSL (.now.ts files) — generating, reviewing, or explaining metadata definitions for tables, ACLs, business rules, UI pages, client scripts, script includes, flows, service portal widgets, and other ServiceNow metadata types. Covers all 6 column types, all $id-required types, and…

not rated 16 4mo ago A 80 tokens original MIT

DauQuangThanh/hanoi-rainbow

Skill Claude CodeCodex needs its repo

Analyzes legacy RPG (Report Program Generator) programs from AS/400 and IBM i systems for migration to modern Java applications. Extracts business logic from RPG III/IV/ILE source code, identifies data structures (D-specs), file operations (F-specs), program dependencies (CALLB/CALLP), and converts RPG constructs to…

not rated 16 +1 7mo ago A 186 tokens 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: