Desktop Extensions: One-click MCP server installation for Claude Desktop
4.20T1 sourceAnthropic Engineering
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.
SummaryAnthropic 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.
Why it mattersCuts 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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