Section

Function Calling

Explore original reporting, analysis, product stories, and practical insights about function calling for founders, developers, and independent builders.

2 stories

Function Calling

Stories and field notes

How to Build an AI Agent Around the Responses API

Build a focused agent around the Responses API with typed tools, server-side authorization, safe retries, and an evaluation loop.

Kirtesh Admute·4 days ago·5 min read

AI Agent Tool Calling Explained for Developers

Tool calling is the bridge between model reasoning and real application actions. The server still owns validation and authorization.

Kirtesh Admute·5 days ago·7 min read