asyncio - Asynchronous I/O, Python Software Foundation, 2025 (Python Software Foundation) - Official documentation for Python's asynchronous I/O framework, essential for building non-blocking tool handlers.
httpx documentation, encode/httpx contributors, 2024 - Official documentation for the httpx library, detailing asynchronous HTTP client usage and timeout configuration.
Server-Side Request Forgery Prevention Cheat Sheet, OWASP Foundation, 2023 (OWASP Foundation) - A guide on preventing Server-Side Request Forgery (SSRF) vulnerabilities in web applications and API interactions.
Scaling Up Models with Function Calling, OpenAI, 2023 (OpenAI Blog) - Discusses the mechanisms and advantages of enabling language models to interact with external tools through function calls.