mass-ulw

mass-ulw is an open-source workflow skill for Claude Code and compatible agents, published by code-yeongyu. Its author describes it as: “Run a dependency graph of child agents in one call with the native dag tool. Use when the user asks for mass-ulw, a DAG of tasks, fan-out/fan-in work, or multi-agent execution where some tasks must wait on others.”. The project has 68k stars on GitHub and ships custom license terms, so review them before reuse. Add it to your setup with `git clone https://github.com/code-yeongyu/oh-my-openagent ~/.claude/skills/mass-ulw`.

What mass-ulw does

Use this skill when the user asks for `mass-ulw`, a task DAG, staged fan-out, or any multi-agent job where real dependencies exist: task C needs A and B finished first. For fully independent workers, plain parallel `task` spawns are simpler. Reach for `dag` when the ordering itself is the point.

Installation

Add mass-ulw to your agent with:

git clone https://github.com/code-yeongyu/oh-my-openagent ~/.claude/skills/mass-ulw

Always review a skill's source before installing it. This command comes from the skill's public repository; the linked repo is the source of truth for exact setup steps.

What's inside

The SKILL.md for mass-ulw is organised into these sections:

• Planning - MANDATORY first step
• The shape
• Running a dag - eval is the default
• Run lifecycle
• Resume across a restart
• Observing a run

When to use it

Reach for mass-ulw when you want workflow help from your agent without writing the same instructions every session. Load the skill and the agent picks it up automatically for relevant tasks.

Strengths

• Ships in code-yeongyu/oh-my-openagent, an established project with 68,032 GitHub stars
• Actively maintained (recent commits)

Things to check

• No license declared — confirm terms with the author before reuse

Topics

Frequently asked questions

What does mass-ulw do?

Run a dependency graph of child agents in one call with the native dag tool. Use when the user asks for mass-ulw, a DAG of tasks, fan-out/fan-in work, or multi-agent execution where some tasks must wait on others.

How do I install mass-ulw?

Run git clone https://github.com/code-yeongyu/oh-my-openagent ~/.claude/skills/mass-ulw in your agent, then reload your skills. Review the source at https://github.com/code-yeongyu/oh-my-openagent before installing.

Is mass-ulw free to use?

mass-ulw is publicly available on GitHub, but code-yeongyu has not declared a standard open-source license (Other). Confirm the terms with the author before reusing it.

Where does mass-ulw come from?

mass-ulw ships inside code-yeongyu/oh-my-openagent, a repository that contains 46 catalogued skills in total. The repository's 68,032 GitHub stars apply to that whole collection, not to this skill on its own.