Anthropic publishes Writing Effective Tools for Agents
Writing Effective Tools for Agents published — choosing which tools to build, namespacing, returning meaningful context, token efficiency, and prompt-engineering tool descriptions
Why it matters
A document showing that prompt engineering has moved into the design of tool definitions
Source — Primary sources first; secondary reports are labelled “Press”
Officialanthropic.comhttps://www.anthropic.com/engineering/writing-tools-for-agentsAdded in Week 35, 2026 · See that week