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add-backend-tool

Add a new tool to the backend OpenAI function calling system. Use when user mentions "new tool", "add tool", "backend function", "agent capability", or wants to extend what the AI agent can do.

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Works withOpenAI
See how to install

Files included (2)

  • SKILL.md1.9 KB
  • metadata.json1.5 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

Add Backend Tool

Instructions

  1. Read backend/main.py to understand existing tool patterns:

    • Find the tools list with function definitions
    • Review helper functions (read_file, write_file, run_terminal_command, web_search)
  2. Create the helper function:

    def new_tool_name(param1: str, param2: int = 10) -> str:
        """Docstring explaining the tool."""
        try:
            # Implementation
            return result
        except Exception as e:
            return f"Error: {str(e)}"
    
  3. Add tool definition to the tools list:

    {
        "type": "function",
        "function": {
            "name": "new_tool_name",
            "description": "What this tool does and when to use it",
            "parameters": {
                "type": "object",
                "properties": {
                    "param1": {"type": "string", "description": "..."},
                    "param2": {"type": "integer", "description": "..."}
                },
                "required": ["param1"]
            }
        }
    }
    
  4. Add tool invocation handler in the WebSocket message loop:

    elif func_name == "new_tool_name":
        result = new_tool_name(**args)
    
  5. Update mode restrictions if needed:

    • Agent mode: full access
    • Chat mode: add to allowed list only if read-only/safe

Examples

  • "Add a tool to list directory contents"
  • "Create a tool for git operations"
  • "Add web scraping capability"

Guardrails

  • Include proper error handling with try/except
  • Add timeout for any long-running operations
  • Consider security implications (Chat mode restrictions)
  • Never hardcode API keys or secrets
  • Document the tool's purpose in the function docstring

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