json-head. I’ve deployed another App Engine mini-app, which provides a JSON-P API for running HEAD requests against an arbitrary URL (useful for checking things like Content-Length and Content-Type headers and whether a URL returns 200). App Engine’s urlfetch limitations mean it can only deal with port 80 and 443 requests.
Recent articles
- An Introduction to Google’s Approach to AI Agent Security - 15th June 2025
- Design Patterns for Securing LLM Agents against Prompt Injections - 13th June 2025
- Comma v0.1 1T and 2T - 7B LLMs trained on openly licensed text - 7th June 2025