Languages skills

11,032 tagged Languages, measured the same way as everything else here.

Browse within: antigravity 99skills 95claude-code-skills 86ai-coding 85dotnet 72azure 69copilot 64sdk 64cursor-ai 58github-copilot 58foundry 50code 49android 48dotnet-skills 44

ardanlabs/service

Skill Claude CodeCodex

Enforce primitive-at-edges / strong-types-in-Business layering and the toBus/fromBusResponse/toDB converter pattern. Use when writing, editing, or auditing Go files under app/, business/domain/, or .../stores/db.

not rated 4.1k +2 7d ago A 56 tokens original Apache-2.0

koxudaxi/datamodel-code-generator

Skill Claude CodeCodex

Use this skill when the user wants Python data models, Pydantic models, dataclasses, TypedDicts, msgspec structs, or type-safe Python classes generated from OpenAPI, AsyncAPI, JSON Schema, GraphQL, JSON/YAML/CSV sample data, MCP tool schemas, Protocol Buffers, XML Schema, Apache Avro, or existing Python model objects.…

not rated 4.0k +1 today A 147 tokens original MIT

Dimillian/Skills

Skill Claude CodeCodex

Refactor and review SwiftUI view files with strong defaults for small dedicated subviews, MV-over-MVVM data flow, stable view trees, explicit dependency injection, and correct Observation usage. Use when cleaning up a SwiftUI view, splitting long bodies, removing inline actions or side effects, reducing computed some…

not rated 3.9k +6 5mo ago A 85 tokens original MIT

bump-go-version

52

kubernetes-sigs/agent-sandbox

Skill Claude CodeCodex

Bumps the Go version to the latest release across go.mod, tools.mod, and Dockerfiles.

not rated 3.7k +63 today A 25 tokens original Apache-2.0

millionco/expect

Skill Claude CodeCodex

Enforces Effect-TS patterns for services, errors, layers, and atoms. Use when writing code with Effect.Service, Schema.TaggedError, Layer composition, or effect-atom React components.

not rated 3.6k +2 4mo ago A 45 tokens

programming

54

code-yeongyu/lazycodex

Skill Claude CodeCodex

MUST USE for ANY work on .py .pyi .rs .ts .tsx .mts .cts .go files. One philosophy: strict types, modern stacks (Pydantic v2 / serde+thiserror / Zod / gin+sqlc+pgx+slog), modern toolchains (uv+basedpyright+ruff / cargo+clippy+miri / Bun+Biome+tsc / gofumpt+golangci-lint v2+nilaway+go-race), parse-don't-validate…

not rated 3.4k +42 27d ago A 282 tokens original MIT

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 2.9k +2 11d ago A 156 tokens original MIT

datachain-core

56

datachain-ai/datachain

Skill Claude CodeCodex

Use ONLY for abstract DataChain SDK questions — API usage, method signatures, or code patterns — when no specific dataset or bucket is referenced. If the request mentions creating, saving, listing, exploring datasets or buckets, use datachain-knowledge instead.

not rated 2.8k +5 changed today A 54 tokens original Apache-2.0

architecture-audit

57

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 today A 70 tokens AGPL-3.0

cu-sdk-sample-run

58

Azure/azure-sdk-for-java

Skill Claude CodeCodex ✓ 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 +1 today A 41 tokens original MIT

run-tests

59

exceptionless/Exceptionless

Skill Claude CodeCodex

Runs .NET tests with dotnet test. Use when user says "run tests", "execute tests", "dotnet test", "test filter", "tests not running", or needs to detect the test platform (VSTest or Microsoft.Testing.Platform), identify the test framework, apply test filters, or troubleshoot test execution failures. Covers MSTest…

not rated 2.5k today A 114 tokens original Apache-2.0

opcua-v20-migration

60

OPCFoundation/UA-.NETStandard

Skill Claude CodeCodex

Migrate OPC UA .NET Standard applications from version 1.5.378 to version 2.0.x. Walks consumers through installing the OPCFoundation.NetStandard.Opc.Ua.MigrationAnalyzer NuGet (26 analyzers through UA0030, with UA0029 reserved for runtime-shim guidance, source-generated Collection shims, runtime compat shim), running…

not rated 2.4k +4 changed 3d ago A 288 tokens

pest-control

61

Bottelet/DaybydayCRM

Skill Claude CodeCodex

Enforces PHPUnit-only testing in this project. Activates when writing tests, reviewing test files, or when any Pest syntax appears (it(), test(), describe(), uses(), expect() chains, beforeEach/afterEach hooks). Scans for and eliminates all Pest references from code, config, and documentation.

not rated 2.3k +3 4d ago A 65 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 +1 5mo ago A 101 tokens original MIT

rev-idapython

63

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 2.1k +33 4mo ago A 84 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 1.9k +14 12d ago A 52 tokens original MIT

nodejs-core

65

mcollina/skills

Skill Claude CodeCodex

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 1.9k +1 18d ago A 98 tokens original MIT

sweetpad

66

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 +2 9d ago A 90 tokens original MIT

jsdoc

67

kubb-labs/kubb

Skill Claude CodeCodex

Full JSDoc format guide for TypeScript, covering @example formats (short, multi-line, multi-variant), tag usage (@default, @deprecated, what to avoid), documentation patterns for properties/enums/functions, and tag order.

not rated 1.8k +3 yesterday A 51 tokens original MIT

d2mcpp-authoring

68

mcpp-community/d2mcpp

Skill Claude CodeCodex

Authoring conventions, design principles, and file formats for the d2mcpp (D2X) Modern C++ tutorial project. Use this whenever you add or edit a C++ language-feature lesson — a book chapter, an exercise, a reference solution, or when registering them in SUMMARY/changelog. Trigger it for any request like "add a chapter…

not rated 1.8k +3 1mo ago A 141 tokens

hotpath_init

69

pawurb/hotpath-rs

Skill Claude CodeCodex

Configure hotpath profiling in a Rust project. Adds the hotpath dependency with feature-gated setup, instruments main with hotpath::main, functions with measure/measureall, and wraps channels, mutexes, rwlocks, streams, futures, reqwest clients, axum routers and byte-level I/O with hotpath macros. Use when the user…

not rated 1.7k +7 changed today A 88 tokens original MIT

golang-gomlx

70

gomlx/gomlx

Skill Claude CodeCodex

Machine learning models training and inference using GoMLX for Go. It provides an abstraction to create vectorized computation graphs, that can then be JIT-compiled (Just-In-Time) and executed very fast, with backends using XLA (for CPU/CUDA/TPU), Go and others. Includes a reach set of vector (tensors) operations on…

not rated 1.6k +5 2d ago A 143 tokens original Apache-2.0

sync-upstream

71

nyaruka/phonenumbers

Skill Claude CodeCodex

Sync this Go port with a new upstream google/libphonenumber release — regenerate the embedded metadata and reconcile the ported Java logic. Takes an optional argument — data (metadata regen only), code (code reconciliation only), or empty for both. Use when the user says "sync with upstream", "do an upstream sync"…

not rated 1.6k +1 4d ago A 124 tokens original MIT

internet-development/www-sacred

Skill Claude CodeCodex

Keep www-sacred's TypeScript fast to type-check and fast to run. Use when touching the ASCII/canvas animation components (the only real per-frame code here), tightening type-check wall-clock, or auditing a change for runtime or compiler regressions. Scoped to this repo — a React 19 / Next.js 16 component library plus…

not rated 1.6k 14d ago A 84 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: