TheStack
Independent software · South Korea

Tools for people
building with AI agents.

We build open-source developer tools for agent skills, review workflows, and local automation. Explore the code, try a tool, or help shape what comes next.

Explore on GitHub ↗

Open-source projects

Source code and documentation on GitHub
01 / AGENT SKILLS

Swing Skills

Skills that help AI coding agents approach research, review, and decision making with more structured checks.

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02 / SKILL DIAGNOSTICS

pulser

A developer tool for diagnosing, linting, and testing skill files used by AI coding agents.

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03 / LOCAL AUTOMATION

Mr.Stack

A tool connecting Claude Code with Telegram for interacting with AI work from a messaging interface.

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04 / DEVELOPER UTILITIES

zclean

An open-source utility for managing memory and processes used by AI coding tools.

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About TheStack

TheStack (더 스택) is an independent, founder-operated software business in Uiwang, South Korea. We develop our own tools for people working with AI coding agents.

더 스택은 경기도 의왕시의 1인 소프트웨어 개발 사업자입니다. AI 코딩 에이전트의 스킬, 검토 과정과 반복 작업을 돕는 공개 개발 도구를 만듭니다.

For product questions and collaboration: kingofstar94@gmail.com