Anthropic publishes Code Execution with MCP
Published Code Execution with MCP — exposes MCP servers as code APIs so only the needed tool definitions are loaded. In the example, 150,000 → 2,000 tokens
Why it matters
A structural fix for tool definitions eating up the context
Source — Primary sources first; secondary reports are labelled “Press”
Officialanthropic.comhttps://www.anthropic.com/engineering/code-execution-with-mcpAdded in Week 35, 2026 · See that week