How we use the Claude model family in production agents: Haiku for sub-200ms routing, Sonnet and Opus for judgment, vision for documents, and tool use for actions.

Building Agents with the Claude API: Routing, Vision, and Tool Use

MCP standardizes how AI models connect to tools and data — one server, any client. What it solves, what it doesn&apos;t, and when to build MCP-first.

MCP (Model Context Protocol): The USB Standard for AI Tools

Function calling is easy to demo and hard to productionize. How we design tool layers for AI agents across 9 connected systems: schemas, idempotency, permissions.

Articles tagged with "Tool Use"

Building Agents with the Claude API: Routing, Vision, and Tool Use

MCP (Model Context Protocol): The USB Standard for AI Tools

Tool Use and Function Calling: How AI Agents Touch Real Systems