Languages

15,070 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.

darto-add-route

457

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 44 4mo 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 44 27d ago A 63 tokens AGPL-3.0

effect-development

459

Threadlines/threadlines

Skill Claude CodeCodex

Effect development guidance. Use when implementing or reviewing code that composes Effect APIs or patterns, or that adds or changes API signatures.

not rated 44 +5 today A 29 tokens original MIT

net

460

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 43 1y ago A 1,283 tokens

ara3d-authoring

461

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 43 20d ago A SkillSpector: pass 99 tokens original MIT

system-information

462

symfony/ai-mate

Skill Claude CodeCodex ✓ vendor

Resolve which dependency versions are actually installed, from composer show and composer.lock, when diagnosing version-specific behavior such as a method, argument or class that does not exist in the release that is really running. For the PHP runtime itself (version, OS, loaded extensions) use the…

not rated 43 yesterday A 65 tokens copy · 98% MIT

Python Rope Refactor

463

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 10mo ago A 55 tokens

cpp-oop-style

464

archibate/dotfiles-claude

Skill Codex

High-quality C++ OOP coding style (archibate / parallel101 lineage) that overrides sloppy AI-default C++. Use this skill WHENEVER writing, editing, refactoring, or reviewing C++ code (.cpp / .h / .hpp / .cc / .cxx), designing C++ classes, interfaces, APIs, or libraries, or when the user mentions C++ design, OOP…

not rated 42 changed 1mo ago A 216 tokens

workflow

466

WebDevPeterGriffin/The-VibeCode-Bible

Cursor rule Cursor

This file provides rules and context for generating or understanding Go code related to a custom Domain Specific Language (DSL) for defining Temporal workflows within this project.

not rated 42 2d ago A 0 tokens

vibe-types

467

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 41 3mo ago A tokens not measured original Apache-2.0

mnemonica-core

468

wentout/mnemonica

Skill Claude CodeCodex

Instance inheritance for JavaScript/TypeScript: types built from parent INSTANCES, so the prototype chain back to the root is the data's own lineage. Use when the user mentions mnemonica, define(), lookup(), TypeRegistry, tactica, @decorate(), instance inheritance, or when writing code that declares or constructs…

not rated 41 changed 1mo ago A 115 tokens original MIT

ashtanko/kotlin-app-template

Skill Claude CodeCodex

Use when writing or reviewing Kotlin code that stores CoroutineScope, launches from init/non-suspending APIs, calls runBlocking, or catches broad exceptions around suspend calls.

not rated 41 today A SkillSpector: pass 42 tokens original Apache-2.0

autumn

470

yellow-hammer/skills-onescript

Skill Claude CodeCodex

A framework for building component-based OneScript applications, a scripting language related to 1C, with automatic dependency setup and annotations. It creates objects and supplies their required constructor values.

not rated 41 changed 1mo ago A 145 tokens original MIT

d365fo-client

471

mafzaal/d365fo-client

MCP server Claude CodeCodexCursor +2

Microsoft Dynamics 365 Finance & Operations client and MCP server. Runs locally from the d365fo-client Python package. Needs 4 environment variables to run.

not rated 41 5d ago A tokens not measured original MIT

sharplens

472

pzalutski-pixel/sharplens-mcp

MCP server Claude CodeCodexCursor +2

67 semantic C#/.NET analysis tools via Roslyn: navigation, refactoring, codegen, audit. Runs locally from the sharplens-mcp npm package. Needs 3 environment variables to run.

not rated 41 +1 20d ago A tokens not measured original MIT

go-style-guide

474

madflojo/go-style-agent-skill

Skill Claude CodeCodex

Provides Go (Golang) engineering guidance for designing packages, services, and CLIs. Use whenever the task involves Go implementation, refactors, code reviews, API design, package layout, interfaces, constructors/config, error handling, logging, dependency or framework selection, HTTP/service wiring…

not rated 40 4mo ago A 77 tokens original Apache-2.0

mcp-debugging

475

giantswarm/muster

Cursor rule Cursor needs its repo

Run the development restart script to rebuild and restart the muster service with your changes.

not rated 40 today A 0 tokens original Apache-2.0

ferritin

476

jbr/ferritin

Skill Claude Code

Look up real Rust documentation with the ferritin CLI instead of guessing APIs from memory. Use whenever you need a crate's types, traits, methods, function signatures, or module contents — for dependencies, the standard library, or local workspace crates. Reach for it before answering any Rust API question ("what…

not rated 39 yesterday A SkillSpector: pass 116 tokens original Apache-2.0

app-intents

477

n0an/App-Intents-Agent-Skill

Plugin Claude Code

Bundles 1 skill · 99 tokens together

Reviews and writes Swift App Intents code, exposing app actions and data to Siri, Shortcuts, Spotlight, and Apple Intelligence.

not rated 39 changed 1mo ago A tokens not measured original MIT

developing-genkit-js

478

genkit-ai/skills

Skill Claude CodeCodex

Provides guidance on developing AI-powered applications using Genkit in Node.js/TypeScript. Use when the user asks about Genkit, AI agents, flows, or tools in JavaScript/TypeScript, or when encountering Genkit errors, validation issues, type errors, or API problems. Don't use for Genkit in Python, Go, or Dart.

not rated 39 +2 changed today A Socket: passSnyk: pass 76 tokens

unreal-engine

479

DSTN2000/claude-unreal-engine-skill

Skill Claude CodeCodex

Comprehensive Unreal Engine C++ and Blueprint development assistant with deep project structure understanding. Use when helping with Unreal Engine projects, including: C++ gameplay programming, Blueprint development, input system configuration (Enhanced Input), Gameplay Ability System (GAS), project structure…

not rated 39 10mo ago A 99 tokens

advanced-code-quality

480

sam-dumont/claude-skills

Plugin Claude Code

Bundles 1 skill · 190 tokens together

Advanced Python code quality gates beyond basic linting. Covers cognitive complexity (complexipy), code duplication (jscpd), architectural enforcement (import-linter), dependency hygiene (deptry), test quality gates (diff-cover, mutmut), docstring coverage (interrogate), and AI-generated code detection (sloppylint).…

not rated 38 4d ago A tokens not measured original MIT

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