Aicostanalysis.

Claude Code MCP 500K Update — Breaking AI Dev Cost and Context Limits at Once

Claude Code v2.1.91 expanded the MCP tool result limit to 500,000 characters. v2.1.92 introduced the /cost command for real-time per-model, per-cache cost analysis. Two updates released in the first week of April 2026 that meaningfully change AI development workflows.