kotlin-testing

Overview

kotlin-testing is a AI agent skill for Claude that head-to-head comparison of coding agents (Claude Code, Aider, Codex, etc.

Head-to-head comparison of coding agents (Claude Code, Aider, Codex, etc.) on custom tasks with pass rate, cost, time, and consistency metrics

With over 144k GitHub stars, it is one of the most popular skills in the community.

This skill is part of the open Claude skills ecosystem and integrates directly with your AI agent workflow. Install it once and invoke it naturally from your Claude conversation.

kotlin-testing + Claude Integration

The kotlin-testing skill works by providing Claude with structured instructions and context to handle AI agent tasks. Once installed, you can describe what you want to accomplish and Claude will leverage the kotlin-testing skill to get it done — no manual tool invocation required.

It follows the open skills standard, making it compatible with Claude, Cursor, and other AI clients that support the SKILL.md format.

Key Capabilities

• Head-to-head comparison of coding agents (Claude Code, Aider, Codex, etc directly from your Claude conversation
• Works seamlessly with Claude
• One-command installation — no complex setup required
• Combine with other skills to build powerful multi-step AI workflows
• Free and open source — install once, use forever

Use Cases

• Developers: Automate AI agent tasks without leaving your AI chat
• Power users: Chain kotlin-testing with other skills to build sophisticated workflows
• Teams: Standardise AI agent operations across your organisation

Example Prompts

After installing kotlin-testing, try these prompts with your AI agent:

• "Help me head-to-head comparison of coding agents (Claude Code, Aider, Codex, etc using kotlin-testing"
• "Use kotlin-testing to handle my workflow tasks"
• "What can kotlin-testing do for my AI agent workflow?"

How to Install

# Personal install (available across all projects)
mkdir -p ~/.claude/skills && cp -r kotlin-testing ~/.claude/skills/

# Project-specific install
mkdir -p .claude/skills && cp -r kotlin-testing .claude/skills/

After installing, restart your AI client (Claude). The skill will be available automatically based on context.

Compatibility

The kotlin-testing skill is compatible with Claude. It follows the open SKILL.md standard, so it works across all compatible AI clients without any modification.