Function

GPT5.6 tool calling: Why the client-owned loop matters

GPT5.6 returns tool names, not code. Learn why the client-owned function loop and strict schemas are non-negotiable for autonomous systems.

Jul 22, 2026 Priya Nair 15 min read

Delegation contracts define A2A agent workflows

A2A delegation is no longer science fiction. It is a production pattern managing bot fleets today.

Jul 22, 2026 Marcus Chen 15 min read

Tool use design: enabling real agent actions

Learn how the Thought-Action-Observation loop powers 177,000+ tools, shifting agents from static text to modifying external system states safely.

Jul 19, 2026 Priya Nair 14 min read

Function tools defined: custom code vs sandboxed runtimes

Distinguish custom function tools from sandboxed Code Interpreter runtimes to prevent treating external connections as identical black boxes in agents.

Jul 19, 2026 Diego Alvarez 15 min read

Function calling tools: 24 benchmarks explained

BenchLM.ai evaluates function calling across 24 agentic benchmarks to measure precision in tool invocation and terminal task execution for AI agents.

Jul 18, 2026 Priya Nair 9 min read

Delegation contracts define A2A agent workflows

A2A delegation is no longer science fiction. It is a production pattern managing bot fleets today.

Jul 17, 2026 Marcus Chen 15 min read

Grok function calling: atomic tool calls explained

Grok 4.3 returns tool calls in single chunks, enabling atomic parsing. Learn how strict JSON schemas and local execution secure external data flows.

Jul 14, 2026 Priya Nair 13 min read

Function calling turns LLMs into real agents

Learn how function calling converts vague intent into structured JSON requests, enabling agents to fetch external data instead of guessing.

Jul 14, 2026 Marcus Chen 16 min read

Function call data: Managing 346 token overhead

Function calling adds 346 extra tokens per API call. Learn how strict JSON schemas and namespaces reduce this hidden architectural cost for agents.

Jul 14, 2026 Marcus Chen 15 min read

Agent tools explained: six types for builders

Learn how six distinct agent tool categories range from low-risk search to high-risk desktop control, plus why Model Context Protocol matters.

Jul 14, 2026 Diego Alvarez 16 min read

Function calling explained: JSON plans, not code execution

Learn how function calling uses structured JSON to anchor AI to real data, eliminating hallucinations through a strict four-step execution cycle.

Jul 13, 2026 Priya Nair 14 min read

Function calling: turning static AI into action

Learn how function calling converts natural language into structured JSON for 3 specific use cases: actions, knowledge, and capabilities.

Jul 6, 2026 Priya Nair 16 min read

React agents vs function calling: 2026 guide

Compare ReAct's iterative reasoning loops against structured function calling for external API access in 2026 agent architectures.

Jul 5, 2026 Marcus Chen 15 min read

Function calling overhead: real token counts

Function calling adds 346 tokens per call, inflating costs for high-volume agents. Learn how OpenAPI schemas and Gemini 3.5 Pro manage this overhead.

Jul 3, 2026 Priya Nair 14 min read