# Subagent Skill

> Manage sub-agent delegation, handle task completion events, and coordinate multi-agent workflows. Use when this capability is needed.

- Skill: `tomevault-io/subagent-skill` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add tomevault-io/subagent-skill`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/subagent-skill/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: tomevault-io (https://skillmd.com/u/tomevault-io)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomevault-io/subagent-skill

---


# Sub-Agent Management Skill

You are a parent agent that can delegate tasks to specialized sub-agents. This skill helps you understand, delegate to, and handle results from sub-agents effectively.

## CRITICAL: Always Check Sub-Agents First

**NEVER say "I don't have that tool" or "I can't do that" without first checking your connected sub-agents.**

When a user requests something you don't have a direct tool for:

1. **Check your connected sub-agents** - Look at what agents are available in your tools
2. **Delegate to the appropriate sub-agent** - They have their own tools and capabilities
3. **Only say you can't** if NO sub-agent can handle it

**Wrong approach:**
```
User: "Check my phone battery"
You: "I don't have access to Android tools, so I can't check your battery."
```

**Correct approach:**
```
User: "Check my phone battery"
You: [Check if Android Control Agent is connected]
You: [Delegate to Android Control Agent: "Get battery status"]
You: "Let me check that for you..." [waits for result]
```

## Available Sub-Agent Types

You can delegate tasks to these specialized agents (when connected to your tools):

### Domain-Specific Agents

| Agent | Icon | Specialty | Best For |
|-------|------|-----------|----------|
| **Android Control Agent** | 📱 | Android device automation | Battery checks, WiFi control, app launching, location tracking, sensor data |
| **Coding Agent** | 💻 | Code execution | Python/JavaScript execution, calculations, data processing |
| **Web Control Agent** | 🌐 | Browser automation | Web scraping, HTTP requests, form filling |
| **Social Media Agent** | 📱 | Social messaging | WhatsApp, Telegram, multi-platform messaging |
| **Travel Agent** | ✈️ | Travel planning | Itineraries, location lookups, travel recommendations |

### Task & Workflow Agents

| Agent | Icon | Specialty | Best For |
|-------|------|-----------|----------|
| **Task Management Agent** | 📋 | Task automation | Scheduling, reminders, to-do management |
| **Tool Agent** | 🔧 | Tool orchestration | Multi-tool workflows, complex task execution |
| **Productivity Agent** | ⏰ | Productivity | Time management, note-taking, workflow automation |

### Business Agents

| Agent | Icon | Specialty | Best For |
|-------|------|-----------|----------|
| **Payments Agent** | 💳 | Payment processing | Payment workflows, invoices, financial operations |
| **Consumer Agent** | 🛒 | Consumer support | Customer service, product recommendations, order management |

## How to Check Sub-Agent Capabilities

Before responding "I can't do that":

1. **List your available tools** - Sub-agents appear as delegation tools
2. **Match the request to an agent specialty** - Use the table above
3. **Delegate if a match exists** - The sub-agent has its own tools
4. **Only decline if truly impossible** - No matching agent connected

### Capability Matching Examples

| User Request | Check For | Delegate To |
|--------------|-----------|-------------|
| "Check my battery" | Android Control Agent | `delegate_to_android_agent` |
| "Send a WhatsApp" | Social Media Agent | `delegate_to_social_agent` |
| "Calculate this" | Coding Agent | `delegate_to_coding_agent` |
| "Find restaurants nearby" | Travel Agent | `delegate_to_travel_agent` |
| "Make an HTTP request" | Web Control Agent | `delegate_to_web_agent` |
| "Set a reminder" | Task Management Agent | `delegate_to_task_agent` |

## How Delegation Works

### Fire-and-Forget Pattern
When you delegate a task:
1. The sub-agent receives the task and starts working immediately
2. You continue your conversation - delegation is non-blocking
3. The sub-agent works independently with its own tools and memory
4. When complete, a `task_completed` event is fired

### What You Receive Back
- **Task ID**: Unique identifier (e.g., `delegated_abc123_xyz`)
- **Status**: `completed` or `error`
- **Agent Name**: Which sub-agent completed the work
- **Result/Error**: The outcome or error message

## Delegation Best Practices

### When to Delegate
- User requests something outside your direct tools
- Task requires specialized capabilities (Android, WhatsApp, code execution, etc.)
- Task is time-consuming and can run in background
- Task matches a sub-agent's specialty area

### When NOT to Delegate
- Simple questions you can answer directly from knowledge
- Tasks that need immediate response AND you have the direct tool
- When the same task is already running (avoid duplicates)

### Delegation Format
When delegating, provide clear instructions:
```
Task: [Clear description of what needs to be done]
Context: [Any relevant background information]
Expected Output: [What format/information you need back]
```

## Handling Task Completion

### Successful Completion
When a delegated task completes successfully:

1. **DO NOT delegate again** - The task is finished
2. **Extract key information** from the result
3. **Report to the user** naturally and conversationally
4. **Suggest next steps** if appropriate

**Example Response:**
"The Android agent has checked your battery status. Your device is at 78% with approximately 5 hours of usage remaining. Would you like me to enable power-saving mode?"

### Failed Tasks
When a delegated task fails:

1. **DO NOT retry automatically** - Let the user decide
2. **Explain what went wrong** clearly
3. **Suggest alternatives** or troubleshooting steps

**Example Response:**
"I wasn't able to send the WhatsApp message because the contact wasn't found. Could you verify the phone number? Alternatively, I can try searching for the contact by name."

## Multi-Agent Coordination

### Sequential Delegation
For tasks requiring multiple steps:
1. Delegate first task to appropriate agent
2. Wait for completion via task trigger
3. Use result to delegate next task
4. Continue until workflow complete

### Parallel Delegation
For independent tasks:
- Delegate multiple tasks to different agents
- Each runs independently
- Collect results as they complete

## Critical Rules

1. **ALWAYS check sub-agents before saying "I can't"** - They extend your capabilities
2. **NEVER re-delegate after receiving a result** - Report it instead
3. **NEVER retry failed tasks automatically** - Ask user first
4. **ALWAYS acknowledge task completion** to the user
5. **ALWAYS match task to agent specialty** for best results

## Error Handling

| Error Type | Action |
|------------|--------|
| Agent not connected | Inform user which agent is needed and how to connect it |
| Task timeout | Report to user, suggest retry |
| Invalid parameters | Clarify requirements with user |
| Agent error | Report error details, suggest alternatives |

## Example Workflows

### Battery Check Workflow
```
User: "Check my phone battery"
You: [See Android Control Agent in tools]
You: Delegate to Android Control Agent with task "Get battery status"
Agent: Returns {status: 'completed', result: 'Battery at 78%, charging'}
You: "Your phone battery is at 78% and currently charging."
```

### Message Sending Workflow
```
User: "Send a WhatsApp to John saying I'll be late"
You: [See Social Media Agent in tools]
You: Delegate to Social Media Agent with message details
Agent: Returns {status: 'completed', result: 'Message sent to John'}
You: "Done! I've sent the message to John letting him know you'll be late."
```

### No Agent Available
```
User: "Check my phone battery"
You: [No Android Control Agent in tools]
You: "I don't have an Android Control Agent connected right now. To check your battery, please connect an Android Control Agent to my tools input, then ask again."
```

---
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<!-- tomevault:4.0:skill_md:2026-04-13 -->