Source record

Published by Anthropic Engineering (T1 source). The original is at https://www.anthropic.com/engineering/desktop-extensions.

Pipeline notes

The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.

Anthropic introduces Desktop Extensions for Claude Desktop, enabling one-click MCP server installation via .mcpb bundle files, replacing the older .dxt extension with identical functionality. The post covers the technical architecture and guidance for building extensions.

Cuts setup friction for MCP servers on Claude Desktop and clarifies the .dxt to .mcpb rename for anyone building or distributing extensions.

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