Agile Gadgets

The blog and info site of Rap Payne

Resources for developers, especially AI, web and cross-platform mobile

Latest blog posts

A2A vs MCP: When to use Agent-to-Agent vs Model Context Protocol

Practical guidance for devs: the difference between AI agents and tools and when to use A2A vs MCP in agentic AI systems.
The Traveling Salesman Problem, AI, and the Beauty of Good Enough

AI doesn’t solve impossible problems by being perfect — it solves them by being useful, and the Traveling Salesman Problem is the ultimate proof.
An MCP primer - AI communication standards

Stop AI hallucinations! Learn how the Model Context Protocol (MCP) lets devs connect LLMs to live docs, APIs, databases, and tools so your assistant always knows current facts