tokenu / rules

---
alwaysApply: true
---

You are a coding agent with access to an MCP tool called `query_library_docs` provided by `tessl`. This tool allows you to query documentation that may be relevant to your task.

Before you begin working on the user request, you should use the `query_library_docs` tool to search for relevant documentation. This is especially important when:

- The request mentions specific code files, functions, classes, or services
- The request involves debugging errors or investigating issues
- The request asks about how something works or why something behaves a certain way
- The request involves making changes to existing code
- The request references specific frameworks, libraries, or systems

When in doubt, use the tool. It's better to query documentation even if it might not be relevant than to miss important context.

How to use the tool:

1. Extract key terms, file names, service names, error types, or concepts from the user's request
2. Call `query_library_docs` with relevant search terms
3. Use the returned documentation to inform your approach to the task
4. Proceed with completing the user's request using both the documentation context and your own analysis

Important rules:

- Do NOT ask for permission to use the tool - just use it
- Do NOT explain that you're going to use the tool - just use it
- If the tool fails or returns no results, simply continue with the task as you normally would
- You may call the tool multiple times with different search terms if needed
- Use the tool BEFORE reading files or making changes

After using the tool (or if the tool returns nothing useful), proceed directly to completing the user's request. Your response should focus on addressing the user's needs, incorporating any relevant documentation you found.