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.

ultracite

49

haydenbleasel/ultracite

Skill Claude CodeCodex

Ultracite is a zero-config linting and formatting preset for JavaScript/TypeScript projects. Use when: (1) Setting up or initializing Ultracite in a project, or migrating its existing lint and format config onto Ultracite (ultracite init), (2) Running linting or formatting commands (check, fix, doctor), (3) Writing or…

not rated 3.4k +1 changed 12d ago A Socket: passSnyk: passSkillSpector: pass 179 tokens original MIT

freya

50

marc2332/freya

Skill Claude CodeCodex needs its repo

Freya Rust GUI framework best practices, patterns, and conventions. Use when writing Freya components, hooks, elements, or working on a Freya project.

not rated 3.3k +33 changed yesterday A SkillSpector: pass 35 tokens original MIT

build-feature

51

signerlabs/ShipSwift

Skill Claude CodeCodex

Build an iOS feature using ShipSwift components. Use when the user says "build", "create", "add a feature", or describes an iOS feature they want to implement.

not rated 3.3k +9 changed 11d ago A SkillSpector: warn 40 tokens original MIT

anywhere-labs/Agents-Anywhere

Skill Codex

General Python engineering standards for writing, reviewing, and refactoring maintainable code. Use when Codex works on Python code, especially in medium/large projects, runtime adapters, APIs, SDK integrations, async services, stateful systems, or refactors where readability, explicit typing, module boundaries, side…

not rated 3.0k +459 today A 75 tokens

antfu/node-modules-inspector

Skill Claude CodeCodex

Inspects a project's installed nodemodules and produces three reports: duplicated packages (installed in multiple versions), packages sorted by install size, and maintenance actions (dep-upgrade opportunities + publint findings, grouped by consumer/author). Use when the user wants to audit dependencies, find duplicate…

not rated 3.0k +3 1mo ago A SkillSpector: warn 156 tokens original MIT

maroto-pdf

54

johnfercher/maroto

Skill Claude CodeCodex

Generate PDFs from Go code with the maroto v2 library — install, program skeleton, page config, grid layout, components (text, image, barcode, QR code, signature), tables and testing. Use when writing or extending Go code that builds a PDF (invoices, reports, certificates) with github.com/johnfercher/maroto.

not rated 2.8k +5 16d ago A 76 tokens original MIT

architecture-audit

55

org2AI/ORG2

Skill Claude CodeCodex

Systematic architecture audit and refactoring methodology for Rust + TypeScript codebases. Use when performing refactoring, cleanup, unification, code review, dead code removal, module reorganization, or tech debt elimination. Ensures no naming confusion, semantic overloading, hidden defaults, duplicate logic, or…

not rated 2.6k +25 4d ago A SkillSpector: warn 70 tokens AGPL-3.0

cu-sdk-sample-run

56

Azure/azure-sdk-for-java

Skill Claude CodeCodex needs its repo ✓ vendor

Run a specific sample for the Azure AI Content Understanding Java SDK. Use when users want to run a particular sample like Sample02AnalyzeUrl or Sample03AnalyzeInvoice.

not rated 2.6k +2 today A SkillSpector: warn 41 tokens original MIT

TencentBlueKing/bk-ci

Skill Codex

A guide for investigating Java memory problems using heap dumps and related reports. A heap dump is a snapshot of objects held in the Java Virtual Machine's memory.

not rated 2.5k +4 yesterday A SkillSpector: pass 162 tokens

jwx-dev-v4

58

lestrrat-go/jwx

Plugin Claude Code

Bundles 1 skill · 61 tokens together

Guide for developing Go applications with github.com/lestrrat-go/jwx v4 — parse and sign JWTs, work with JWS/JWE/JWK, pick algorithms, and avoid common footguns.

not rated 2.4k +1 yesterday A tokens not measured original MIT

scripts

59

Alex-Rachel/TEngine

Command Claude Code

Commands for creating C# script files, attaching MonoBehaviours to GameObjects, reading/writing serialized fields, and running compiled project entry points in memory. Writing a .cs file does not make its type available — Unity must import and compile it (a domain reload) first. The flow is: script create → script…

not rated 2.4k +7 changed today A 0 tokens original MIT

gomega

60

onsi/gomega

Plugin Claude Code

Bundles 12 skills · 1,440 tokens together

Write expressive, correct Gomega assertions in Go. Skills for the Expect/Ω model, synchronous and asynchronous (Eventually/Consistently) assertions, the full matcher catalog, composing and authoring custom matchers, and the gstruct, ghttp, gexec, gbytes, gleak, and gmeasure sub-libraries.

not rated 2.4k +1 changed 1mo ago A tokens not measured original MIT

rev-idapython

61

P4nda0s/reverse-skills

Skill Claude CodeCodex

IDAPython and IDALib script reference for reverse engineering. Activate when the user needs to write IDAPython scripts in IDA, use IDALib for headless analysis, operate on IDB databases, debug with IDA, manipulate memory/registers, traverse functions/blocks/instructions, work with Hex-Rays decompiler API, handle…

not rated 2.3k +12 6mo ago A Socket: passSnyk: pass 84 tokens

claude-code-dev

62

Leanmcp/superview.sh

Skill Claude CodeCodex

How to develop, modify, and extend the Claude Code codebase following its established programming style, patterns, and conventions. Use this skill whenever working on the claude-code source — adding tools, commands, utils, components, types, hooks, services, or fixing bugs. Also use when the user asks about…

not rated 2.1k 1mo ago A 101 tokens original MIT

go-testing

63

Gentleman-Programming/Gentleman.Dots

Skill Claude CodeCodex needs its repo

Go testing patterns for Gentleman.Dots, including Bubbletea TUI testing. Trigger: When writing Go tests, using teatest, or adding test coverage.

not rated 2.1k +8 26d ago A SkillSpector: pass 34 tokens original Apache-2.0

kotlin-footguns

64

maxrave-dev/kotlin-footguns

Plugin Claude Code

Bundles 11 skills · 638 tokens together

228 battle-tested traps mapping the footguns of Kotlin, Compose Multiplatform and desktop JVM development, in ten area skills plus a scanner that checks a change against them. Mined from SimpMusic, a production cross-platform app shipping since 2023; traps-first, with verification commands that were executed against…

not rated 2.1k +223 changed 19d ago A tokens not measured GPL-3.0

weft-language

65

WeaveMindAI/weft

Skill Claude Code

Read before writing or editing any .weft source: declarations, wiring, config literals, reserved keys, inline signatures and expressions, types, groups and the level rule, how names are spelled, included files, loops, the pulse model, @file, @asset and @include, and every compiler error slug.

not rated 2.0k +9 changed today A 67 tokens

dmmulroy/better-result

Skill Claude CodeCodex

Migrate a TypeScript codebase from better-result 2.x to 3.0. Use when upgrading better-result across the TaggedError syntax, removed Result serialization helpers, recovery inference, matching, or retry APIs.

not rated 2.0k +2 2mo ago A SkillSpector: pass 52 tokens original MIT

nodejs-core

67

mcollina/skills

Skill Claude CodeCodex needs its repo

Contributes to and debugs Node.js core, including nodejs/node commit and PR tone, contribution workflows, native crashes, V8 performance, node-gyp builds, N-API bindings, and libuv issues. Use when drafting or reviewing a Node.js core commit or pull request, working in nodejs/node, or diagnosing C++ addons…

not rated 2.0k +3 11d ago A Socket: passSnyk: passSkillSpector: warn 98 tokens original MIT

sweetpad

68

sweetpad-dev/sweetpad

Skill Claude CodeCodex

Build, run, and test Xcode and Swift Package apps from the terminal with the sweetpad CLI ("xcodebuild for humans"). Use when the user wants to compile an iOS/macOS/Swift app, run it on a simulator or device, read build errors, run tests, or inspect resolved build settings from the command line — with agent-safe…

not rated 1.9k +7 changed 1mo ago A SkillSpector: warn 90 tokens original MIT

astro-developer

69

MadAppGang/dingo

Agent Claude Code

SCOPE: ASTRO LANDING PAGE ONLY This agent is EXCLUSIVELY for the Dingo landing page (Astro, React, TypeScript in /langingpage/ directory). ❌ DO NOT USE for: Dingo transpiler/language development (use golang-developer instead) Go code in /cmd/, /pkg/, /internal/ (use golang-developer instead) Parser or AST work (use…

not rated 1.9k +1 1mo ago A 753 tokens

android

70

flyeric0212/cursor-rules

Cursor rule Cursor

Coding rules for native Android applications, including Kotlin, Jetpack Compose, and common application architecture patterns. Android is Google’s mobile operating system; Kotlin is a programming language commonly used for it, and Jetpack Compose is a toolkit for building screens.

not rated 1.9k +4 9mo ago A 1,831 tokens

kubb

71

kubb-labs/kubb

Plugin Claude Code

Bundles 2 skills, 3 commands, 1 agent · 196 tokens together

Kubb turns your API spec into type-safe code. Generate TypeScript types, Zod schemas, Axios and fetch clients, React Query and Vue Query hooks, Faker mocks and more from an OpenAPI spec. The commands run the Kubb CLI, and a bundled MCP server adds conversational generation.

not rated 1.8k +6 changed today A tokens not measured original MIT

rust-style-guide

72

fabro-sh/fabro

Skill Claude CodeCodex

Apply this Rust style guide when writing, reviewing, refactoring, or configuring Rust code for this project. Covers Rust 2024/MSRV, library vs application conventions, public API design, errors, panics, ownership and cloning, async/Tokio/concurrency, tracing, rustfmt/Clippy, testing with nextest, and unsafe/macro…

not rated 1.8k +39 2d ago A SkillSpector: pass 100 tokens original MIT

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