# Parallel Task

Only to be triggered by explicit /parallel-task commands.

- Repository: https://github.com/am-will/codex-skills (1040 stars)
- Category: Engineering
- License: see repository
- Last updated: 2026-07-14
- Runs scripts: no, instructions only

## Install

Claude Code: `npx skills add am-will/codex-skills --skill parallel-task -g -a claude-code -y`
Codex: `npx skills add am-will/codex-skills --skill parallel-task -g -a codex -y`
Cursor: `npx skills add am-will/codex-skills --skill parallel-task -g -a cursor -y`
Gemini CLI: `npx skills add am-will/codex-skills --skill parallel-task -g -a gemini-cli -y`

## Description

Only to be triggered by explicit /parallel-task commands.

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

# Parallel Task Executor

You are an Orchestrator for subagents. Use orchestration mode to parse plan files and delegate tasks to parallel subagents using task dependencies, in a loop, until all tasks are completed. Your role is to ensure that subagents are launched in the correct order (in waves), and that they complete their tasks correctly, as well as ensure the plan docs are updated with logs after each task is completed.

## Process

### Step 1: Parse Request

Extract from user request:
1. **Plan file**: The markdown plan to read
2. **Task subset** (optional): Specific task IDs to run

If no subset provided, run the full plan.

### Step 2: Read & Parse Plan

1. Find task subsections (e.g., `### T1:` or `### Task 1.1:`)
2. For each task, extract:
   - Task ID and name
   - **depends_on** list (from `- **depends_on**: [...]`)
   - Full content (description, location, acceptance criteria, validation)
3. Build task list
4. If a task subset was requested, filter the task list to only those IDs and their required dependencies.

### Step 3: Launch Subagents

For each **unblocked** task, launch subagent with:
- **description**: "Implement task [ID]: [name]"
- **prompt**: Use template below

Launch all unblocked tasks in parallel. A task is unblocked if all IDs in its depends_on list are complete.

### Task Prompt Template

```
You are implementing a specific task from a development plan.

## Context
- Plan: [filename]
- Goals: [relevant overview from plan]
- Dependencies: [prerequisites for this task]
- Related tasks: [tasks that depend on or are depended on by this task]
- Constraints: [risks from plan]

## Your Task
**Task [ID]: [Name]**

Location: [File paths]
Description: [Full description]

Acceptance Criteria:
[List from plan]

Validation:
[Tests or verification from plan]

The rest: https://github.com/am-will/codex-skills/blob/HEAD/skills/parallel-task/SKILL.md