create-subagents
from glittercowboy/taches-cc-resources
A collection of my favorite custom Claude Code resources to make life easier.
1.2K stars328 forksUpdated Jan 26, 2026
npx skills add https://github.com/glittercowboy/taches-cc-resources --skill create-subagentsSKILL.md
Subagents enable delegation of complex tasks to specialized agents that operate autonomously without user interaction, returning their final output to the main conversation.
<quick_start>
- Run
/agentscommand - Select "Create New Agent"
- Choose project-level (
.claude/agents/) or user-level (~/.claude/agents/) - Define the subagent:
- name: lowercase-with-hyphens
- description: When should this subagent be used?
- tools: Optional comma-separated list (inherits all if omitted)
- model: Optional (
sonnet,opus,haiku, orinherit)
- Write the system prompt (the subagent's instructions)
<focus_areas>
- Code quality and maintainability
- Security vulnerabilities
- Performance issues
- Best practices adherence </focus_areas>
<output_format> Provide specific, actionable feedback with file:line references. </output_format>
</example>
</quick_start>
<file_structure>
| Type | Location | Scope | Priority |
|------|----------|-------|----------|
| **Project** | `.claude/agents/` | Current project only | Highest |
| **User** | `~/.claude/agents/` | All projects | Lower |
| **Plugin** | Plugin's `agents/` dir | All projects | Lowest |
Project-level subagents override user-level when names conflict.
</file_structure>
<configuration>
<field name="name">
- Lowercase letters and hyphens only
- Must be unique
</field>
<field name="description">
- Natural language description of purpose
- Include when Claude should invoke this subagent
- Used for automatic subagent selection
</field>
<field name="tools">
- Comma-separated list: `Read, Write, Edit, Bash, Grep`
- If omitted: inherits all tools from main thread
- Use `/agents` interface to see all available tools
</field>
<field name="model">
- `sonnet`, `opus`, `haiku`, or `inherit`
- `inherit`: uses same model as main conversation
- If omitted: defaults to configured subagent model (usually sonnet)
</field>
</configuration>
<execution_model>
<critical_constraint>
**Subagents are black boxes that cannot interact with users.**
Subagents run in isolated contexts and return their final output to the main conversation. They:
- ✅ Can use tools like Read, Write, Edit, Bash, Grep, Glob
- ✅ Can access MCP servers and other non-interactive tools
- ❌ **Cannot use AskUserQuestion** or any tool requiring user interaction
- ❌ **Cannot present options or wait for user input**
- ❌ **User never sees subagent's intermediate steps**
The main conversation sees only the subagent's final report/output.
</critical_constraint>
<workflow_design>
**Designing workflows with subagents:**
Use **main chat** for:
- Gathering requirements from user (AskUserQuestion)
- Presenting options or decisions to user
- Any task requiring user confirmation/input
- Work where user needs visibility into progress
Use **subagents** for:
- Research tasks (API documentation lookup, code analysis)
- Code generation based on pre-defined requirements
- Analysis and reporting (security review, test coverage)
- Context-heavy operations that don't need user interaction
**Example workflow pattern:**
Main Chat: Ask user for requirements (AskUserQuestion) ↓ Subagent: Research API and create documentation (no user interaction) ↓ Main Chat: Review research with user, confirm approach ↓ Subagent: Generate code based on confirmed plan ↓ Main Chat: Present results, handle testing/deployment
</workflow_design>
</execution_model>
<system_prompt_guidelines>
<principle name="be_specific">
Clearly define the subagent's role, capabilities, and constraints.
</principle>
<principle name="use_pure_xml_structure">
Structure the system prompt with pure XML tags. Remove ALL markdown headings from the body.
```markdown
---
name: security-reviewer
description: Reviews code for security vulnerabilities
tools: Read, Grep, Glob, Bash
model: sonnet
---
<role>
You are a senior code reviewer specializing in security.
</role>
<focus_areas>
- SQL injection vulnerabilities
- XSS attack vectors
- Authentication/authorization issues
- Sensitive data exposure
</focus_areas>
<workflow>
1. Read the modified files
2. Identify security risks
3. Provide specific remediation steps
4. Rate severity (Critical/High/Medium/Low)
</workflow>
...
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LicenseMIT License