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Record · mcpbInfrastructureCosts not checkedRecord checked Sep 23, 2026

MCP Bundles (MCPB)

A format and CLI for packaging local MCP servers as one-click installable bundles for desktop apps.

Sources and review

Checked against public documentation on . Suitability guidance is our editorial judgment; this is not a performance benchmark or an endorsement.

Best for

Distributing a local MCP server to non-technical users with one-click install.

About MCP Bundles (MCPB)

MCP Bundles, formerly Desktop Extensions (DXT), are .mcpb zip archives containing a local MCP server and a manifest describing it, similar in spirit to browser or editor extensions. The repository contains the bundle specification, the mcpb CLI for building bundles, and the code Claude for macOS and Windows uses to load and verify them.

MCP Bundles (MCPB) is listed in this index written primarily in TypeScript, with 2.2k stars on GitHub. Its latest recorded repository push was in May 2026; that is not an ASE editorial review date.

Install

npm install -g @anthropic-ai/mcpb
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