wf-spawn

wf-spawn is a skill for Claude Code, Codex from ParkerM2/create-claude-workflow. It costs 27 tokens per session (815 once invoked), scanned B, original, MIT.

A workflow step that starts coding and quality-checking agents for each task in the current work wave. A work wave is a group of tasks handled together.

In plain words
What is it for?
Use it to read the current wave's task files and launch a coder and a QA agent for every task.
Why use it?
It ensures agents start only after setup is complete and earlier waves have passed their checks.

Skill for Claude CodeCodex

Part of the claude-workflow plugin — 10 skills, 25 commands, 3 agents, 6 hooks shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/parkerm2/create-claude-workflow/wf-spawn
Any agent
npx skills add ParkerM2/create-claude-workflow --skill wf-spawn
Clone the repo
git clone --depth 1 https://github.com/ParkerM2/create-claude-workflow

Made for: Claude Code, Codex.

Or install claude-workflow, the plugin that ships this one along with the rest of its 10 skills, 25 commands, 3 agents, 6 hooks.

Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 815 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00027 $0.00815
Opus 5 $0.00014 $0.00407
Sonnet 5 $0.00005 $0.00163
Haiku 4.5 $0.00003 $0.00081

Measured 3d ago against content hash 75046b109a80, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

wf-spawn scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

cat .claude/.workflow-state/setup-complete.json
skills/wf-spawn/SKILL.md · 114 lines

How it starts

The opening of the file, as written. The whole thing — 114 lines — stays where its author put it; the contents beside it link to each section on GitHub.

WF: Spawn Wave

Gate Check

cat .claude/.workflow-state/setup-complete.json

If the file does not exist: STOP — "Team setup not complete. Run Step 3 (wf-setup) first."

Load: TICKET, TEAM_LEADER_NAME, currentWave, waveMap, PLUGIN_ROOT, workPrefix, worktreeDir. Also check for a wave-specific gate:

# If currentWave > 1, previous wave must be complete
cat .claude/.workflow-state/wave-$((currentWave - 1))-complete.json 2>/dev/null

If previous wave stamp missing and currentWave > 1: STOP — "Wave <N-1> not complete. Run wf-qa-gate for that wave first."


Your Task

Spawn agent pairs for the current wave. Both the coder and QA agent are spawned in the same message (parallel tool calls).


Checklist

1. Identify This Wave's Tasks

From waveMap, get the list of task slugs for currentWave. For each slug, read the corresponding task file to get: taskNumber, taskName, taskSlug, agentRole, agentDefinition, workbranch, worktreePath.

2. Read Spawn Templates

cat {PLUGIN_ROOT}/prompts/implementing-features/THIN-SPAWN-TEMPLATE.md

Use the Coding Agent and QA Agent templates from this file.

3. Spawn Pairs (one message per task, both agents in parallel tool calls)

For each task, in a single message, call the Agent tool twice:

Coder:

Agent tool:
  description: "<taskSlug> coder"
  subagent_type: general-purpose
  team_name: "<TICKET>"
  name: "coder-task-<N>"
  mode: bypassPermissions
  model: sonnet
  run_in_background: true
  isolation: worktree  (only if useWorktrees is false)
  prompt: <substitute THIN-SPAWN-TEMPLATE.md coding template>

QA:

Agent tool:
  description: "<taskSlug> QA"
  subagent_type: general-purpose
  team_name: "<TICKET>"
  name: "qa-task-<N>"
  mode: bypassPermissions
  model: haiku
  run_in_background: true
  prompt: <substitute THIN-SPAWN-TEMPLATE.md QA template>

Save the returned task_id for each agent.

Read the full file on GitHub · 114 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 114 lines · 27 tokens per session scan B 75046b109a80

Subscribe to this mod's changes

wf-spawn is a skill published in the GitHub repository ParkerM2/create-claude-workflow (4 stars, last pushed 5mo ago), licensed MIT. It adds 27 tokens to every session and 815 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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