Update Agent

Manage Agent Templates

Agents are specialized AI personas with scoped tools and permissions that run in isolated contexts.

Important: Agents are supported by Claude and Copilot only. Cursor does not support agents — consider using a skill with forkContext: true as an alternative for Cursor.

Finding Existing Agents

List files in <%= agentTemplatePath() %>/ to discover existing agent templates. Read their frontmatter to understand each agent's purpose and capabilities.

Additional Template Directories

This project may have additional template directories configured via additionalTemplateDirs. To find them, search the project root for all config files matching universal-ai-config.* (e.g. universal-ai-config.config.ts, universal-ai-config.overrides.config.ts, and any other variants) and read the additionalTemplateDirs field from each. If the user asks to update a template that doesn't exist in the main templates directory, or explicitly refers to shared/global/external templates:

1. Read all universal-ai-config.* config files in the project root to find additionalTemplateDirs paths
2. Search those directories for the relevant agent
3. IMPORTANT: Before editing any file outside the main <%= config.templatesDir %>/ directory, ask the user for explicit confirmation — these are shared templates that may affect other projects

Deciding What to Do

• Create new: when you need a new specialized persona with distinct capabilities
• Update existing: when an agent needs adjusted tools, permissions, or system prompt
• Delete: when an agent is no longer needed

Creating a New Agent

1. Create a .md file in <%= agentTemplatePath() %>/ with a descriptive name (e.g. code-reviewer.md)
2. Add YAML frontmatter with at minimum name and description
3. Write the agent's system prompt as the body

Frontmatter Fields

See the Agents section in <%= instructionPath('uac-template-guide') %> for the complete field reference and per-target override syntax. Key fields: name, description, model, tools, permissionMode, hooks.

Example

---
name: security-reviewer
description: Reviews code for security vulnerabilities and best practices. Use proactively after code changes.
tools: ['Read', 'Grep', 'Glob', 'Bash']
model: sonnet
---

You are a security-focused code reviewer. When invoked:

1. Identify the changed files
2. Check for common vulnerabilities (injection, XSS, auth issues)
3. Review dependency usage for known CVEs
4. Report findings by severity (critical, warning, info)

After Changes

Run uac generate to regenerate target-specific config files and verify the output.

Reminder: Always edit templates in <%= agentTemplatePath() %>/ — never edit generated target-specific files directly.

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