
ultrawork
Parallel execution engine for high-throughput task completion
- Installs
- 733
- Last 24h
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- Trending rank
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- Security
- Not audited
Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/yeachan-heo/oh-my-claudecode --skill ultrawork- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads ultrawork automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
<Use_When>
- Multiple independent tasks can run simultaneously
- User says "ulw", "ultrawork", or wants parallel execution
- You need to delegate work to multiple agents at once
- Task benefits from concurrent execution but the user will manage completion themselves </Use_When>
<Do_Not_Use_When>
- Task requires guaranteed completion with verification -- use
ralphinstead (ralph includes ultrawork) - Task requires a full autonomous pipeline -- use
autopilotinstead (autopilot includes ralph which includes ultrawork) - There is only one sequential task with no parallelism opportunity -- delegate directly to an executor agent
- User needs session persistence for resume -- use
ralphwhich adds persistence on top of ultrawork </Do_Not_Use_When>
<Why_This_Exists> Sequential task execution wastes time when tasks are independent. Ultrawork enables firing multiple agents simultaneously and routing each to the right model tier, reducing total execution time while controlling token costs. It is designed as a composable component that ralph and autopilot layer on top of. </Why_This_Exists>
<Execution_Policy>
- Fire all independent agent calls simultaneously -- never serialize independent work
- Always pass the
modelparameter explicitly when delegating - Read
docs/shared/agent-tiers.mdbefore first delegation for agent selection guidance - Use
run_in_background: truefor operations over ~30 seconds (installs, builds, tests) - Run quick commands (git status, file reads, simple checks) in the foreground
- Resolve intent and uncertainty before implementation; explore first, ask only when still blocked
- For non-trivial tasks, produce a dependency-aware plan with parallel waves before execution
- Keep delegated-task reports concise: short summary, files touched, verification status, blockers
- Manual QA is required for implemented behavior, not just diagnostics </Execution_Policy>
<Tool_Usage>
- Use
Task(subagent_type="oh-my-claudecode:executor", model="haiku", ...)for simple changes - Use
Task(subagent_type="oh-my-claudecode:executor", model="sonnet", ...)for standard work - Use
Task(subagent_type="oh-my-claudecode:executor", model="opus", ...)for complex work - Use
run_in_background: truefor package installs, builds, and test suites - Use foreground execution for quick status checks and file operations </Tool_Usage>
<Escalation_And_Stop_Conditions>
- When ultrawork is invoked directly (not via ralph), apply lightweight verification only -- build passes, tests pass, no new errors
- For full persistence and comprehensive architect verification, recommend switching to
ralphmode - If a task fails repeatedly across retries, report the issue rather than retrying indefinitely
- Escalate to the user when tasks have unclear dependencies or conflicting requirements </Escalation_And_Stop_Conditions>
<Final_Checklist>
- All parallel tasks completed
- Build/typecheck passes
- Affected tests pass
- No new errors introduced </Final_Checklist>
Parallel session caveats
- Multi-repo workspace anchor: drop a
.omc-workspacemarker at the parent directory so multiple sessions across sub-repos share one.omc/. Resolution order:OMC_STATE_DIR > .omc-workspace > git > cwd. Seedocs/REFERENCE.md. - Session id source: OMC_SESSION_ID env var wins in CLI contexts; hook payload data.session_id wins in hook contexts.
- Plan id (when applicable): Ultrawork has no persistent state; two concurrent runs are independent by design. No plan-id needed.
- Parallel verdict: supported (stateless component)
ralph (persistence wrapper)
\-- includes: ultrawork (this skill)
\-- provides: parallel execution only
autopilot (autonomous execution)
\-- includes: ralph
\-- includes: ultrawork (this skill)
Ultrawork is the parallelism layer. Ralph adds persistence and verification. Autopilot adds the full lifecycle pipeline. </Advanced>
FAQ
What does the ultrawork skill do?
Parallel execution engine for high-throughput task completion
How do I install ultrawork?
Run npx skills add https://github.com/yeachan-heo/oh-my-claudecode --skill ultrawork in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/ultrawork/ (personal) or .claude/skills/ultrawork/ (project).
Which AI agents can use ultrawork?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is ultrawork safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains ultrawork?
It is published by yeachan-heo in yeachan-heo/oh-my-claudecode. It has 733 recorded installs.
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