Languages

14,516 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.

compose-core

1346

RoninForge/roninforge-kotlin-compose

Cursor rule Cursor

Modern Android development rules: Kotlin 2.x with K2, Jetpack Compose, Material 3, state hoisting + StateFlow + collectAsStateWithLifecycle, Hilt with hiltViewModel(), type-safe Navigation Compose, KSP, Version Catalogs, Compose Compiler as Kotlin plugin.

not rated 1 3mo ago A 2,288 tokens original MIT

dotnet-mentor

1347

samo33ddd/dotnet-mentor-skill

Skill Codex

A text-based tutor for learning C# and .NET, the Microsoft platform used to build applications and services. It guides learners from first programs toward junior backend development.

not rated 1 1mo ago A 146 tokens original MIT

CodeSigils/python-project-workflow-skill

Skill Claude CodeCodex

Set up, inspect, preserve, and verify Python project workflows, including greenfield scaffolding, packaging, dependency and tool configuration, CI, compatibility contracts, mature automation repositories, and project-native validation. Use when the task affects repository-wide Python structure or workflow. Do not use…

not rated 1 20d ago A 90 tokens original MIT

apply-effective-java

1349

showmethecold/effective-java-skill

Skill Claude Code

Apply Effective Java and modern Java practices when writing, reviewing, refactoring, debugging, optimizing, or hardening Java code. Use automatically for nontrivial Java code tasks, including API design, pull requests, concurrency, resource management, exceptions, serialization, tests, security, and idiomatic style.

not rated 1 3mo ago A 64 tokens

verify

1350

edible999999999-jpg/humhum

Skill Claude CodeCodex

Run the HUMHUM quality gates that are actually touched by the current diff — frontend typecheck + vitest, and Rust fmt/clippy/test — mirroring CI. Use before marking work done, opening a PR, or when asked to "verify", "check", or "run the gates".

not rated 1 1mo ago A 62 tokens original MIT

typescript-expert

1351

obre10off/awesome-claude-code-agents

Agent Claude Code

Elite TypeScript specialist mastering advanced type systems, generics, and strict type safety. Expert in complex type manipulations, decorators, and enterprise patterns. Use PROACTIVELY for TypeScript development, type inference optimization, or architectural decisions.

not rated 1 1y ago A 52 tokens

esp-rust-development

1352

Microbiosis/esp-rust-skills

Skill Claude CodeCodex

A guide to writing Rust programs for ESP32 chips, which are small, inexpensive computers used in connected devices. It is based on the official esp-hal hardware library ecosystem and covers the listed chip families and development topics.

not rated 1 3mo ago A 223 tokens

thomasiverson/copilot-compose

Instructions file GitHub Copilot

Copilot instructions for thomasiverson/copilot-compose, covering typescript strict conventions, type safety, null handling, naming and structure and imports and modules.

not rated 1 5mo ago A ✓ AI review 2,146 tokens

style

1355

git-hulk/instructions

Cursor rule Cursor

Cursor rule "style" from git-hulk/instructions, covering cursor c++ style rules, formatting, header files, naming and comments.

not rated 1 1y ago A 991 tokens original Apache-2.0

effective-cpp

1356

catiicode/claude-code-awesome-skills

Skill Claude CodeCodex

Use this skill when writing, reviewing, refactoring, or debugging C++ code — especially when the task involves class design, resource management (RAII, smart pointers, new/delete), inheritance hierarchies (virtual destructors, NVI, slicing), move semantics (std::move, std::forward, noexcept), templates (SFINAE, CRTP…

not rated 1 6mo ago A 205 tokens original MIT

cross-agent

1357

EpochTX/skillbench

Skill Claude CodeCodex

Apply shared TypeScript repository conventions in Codex, Claude Code, Cursor, Gemini CLI, or GitHub Copilot when implementing a code change.

not rated 1 4d ago A 32 tokens original MIT

python-fastapi

1358

georgi-io/jessica

Cursor rule Cursor

This makes the agent a Python/FastAPI backend professional.

not rated 1 1y ago A 0 tokens

lingua-mcp

1359

Marsmanleo/LinguaMCP

MCP server Claude CodeCodexCursor +2

Open curriculum protocol for AI language tutors — learn naturally through daily practice with any AI tool. Runs locally from the lingua-mcp npm package.

not rated 1 3mo ago A tokens not measured original Apache-2.0

wg21-wiki-mcp

1360

cppalliance/wg21-wiki-mcp

MCP server Claude CodeCodexCursor +2

Local stdio MCP server that serves the WG21 (ISO C++) committee wiki as a verifiable source of truth. Runs locally from the wg21-wiki-mcp Python package.

not rated 1 5d ago A tokens not measured BSL-1.0

cpp-debug

1361

William-An/cpp-debug-mcp

MCP server Claude CodeCodexCursor +2

MCP server "cpp-debug" as configured in William-An/cpp-debug-mcp. Runs cpp_debug_mcp with python3. Needs 2 environment variables to run.

not rated 1 5mo ago A tokens not measured original MIT

typescript

1362

zenjoy/realtime-register-mcp

Cursor rule Cursor

You are an expert in building MCP servers in TypeScript using a test-driven design methodology.

not rated 1 8mo ago A 630 tokens original MIT

project-structure

1363

bowen31337/expressjs_mcp

Cursor rule Cursor

This project follows the FastAPI-MCP pattern for TypeScript/Express applications.

not rated 1 1y ago A 391 tokens original MIT

swifttest-mcp-server

1365

acyment/swifttest-mcp-server

MCP server Claude CodeCodexCursor +2

An MCP (Model Context Protocol) server exposing a swift-test tool to run swift test in a given package directory. Runs locally from the swifttest-mcp-server npm package.

not rated 1 11mo ago A tokens not measured original MIT

blakeyoder/typescript-definitions-mcp

MCP server Claude CodeCodexCursor +2

MCP server "typescript-definitions-mcp" as configured in blakeyoder/typescript-definitions-mcp. Runs locally from the @claude-code/typescript-definitions-mcp npm package.

not rated 1 1y ago A tokens not measured original MIT

rule

1367

jiushan-test/markmap-mcp

Cursor rule Cursor

A set of instructions for an AI assistant acting as a Python developer. The instructions cover project review, requirements analysis, coding, comments, and troubleshooting.

not rated 1 11mo ago A 344 tokens original MIT

icpmcp-rosetta-api

1368

ai-api-booster/mcp-rosetta-icp

MCP server Claude CodeCodexCursor +2

Developer-friendly & type-safe Typescript SDK specifically catered to leverage icpmcp API. Runs locally from the icpmcp-rosetta-api npm package.

not rated 1 1y ago A tokens not measured

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: