Description
Spawn is an agent skill that launches several subagents at once, each working on the same task in its own isolated git worktree, so they can compete on a session's work. You run it on the latest session, on a session you name by ID, or with a template option that uses a dispatch prompt from the agenthub reference, such as an optimizer or refactorer template, in place of the default prompt. Each agent gets its own worktree, so their changes do not collide while they work. The results can then be ranked by the evaluation skill and the best one merged with the merge skill. It is the first step of the agent hub workflow in the claude-skills collection: spawn creates the competing attempts, eval scores them, and merge lands the winner. The skill suits cases where you want several attempts at the same problem to compare, rather than a single pass. It is listed on skills.sh with clean security audits.…
Highlights
- Launches N parallel subagents on the same task
- Each agent works in its own isolated git worktree
- Templates such as optimizer and refactorer for dispatch prompts
- First step before evaluation and merging in agenthub
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Pursue a long-running goal in a single session by co-ordinating subagents
spawn FAQ
What does spawn do?
It starts several agents on the same task in parallel, each in a separate git worktree.
Why separate worktrees?
So each agent's changes stay isolated while they work, and they can be compared afterwards.
What are templates?
Named dispatch prompts, such as optimizer or refactorer, that replace the default prompt when you pass the template option.
What comes after spawning?
Evaluation with the eval skill to rank the results, then merge to land the winner.
How do I install it?
Run npx skills add https://github.com/alirezarezvani/claude-skills --skill spawn in your terminal.
Is it free?
The listing shows the skill as free.
What security audits has it passed?
skills.sh lists three audits: Gen Agent Trust Hub Pass, Socket Pass and Snyk Pass.
What are the best spawn alternatives?
Popular alternatives to spawn include eval, merge and github. See all spawn alternatives