** ⚠️ 중요 공지: 이 프로젝트는 DXT(데스크톱 확장)에서 MCPB(MCP 번들)로 이름이 변경됩니다**

DXT 도구를 찾고 계시다면, 이름이 MCPB로 변경되었습니다. 의존성 및 툴링을 업데이트해 주세요:

• dxt CLI는 이제 mcpb
• .dxt 파일은 이제 .mcpb 파일로 변경되었습니다
• @anthropic-ai/dxt 패키지가 [[T5]로 이동됩니다.

MCP 번들(.mcpb)은 로컬 MCP 서버와 서버 및 기능을 설명하는 manifest.json를 포함하는 압축 아카이브입니다. 이 형식은 Chrome 확장 프로그램(.crx)이나 VS Code 확장 프로그램(.vsix])과 정신적으로 유사하며, 최종 사용자가 한 번의 클릭으로 로컬 MCP 서버를 설치할 수 있게 합니다.

이 저장소는 세 가지 구성 요소를 제공합니다: MANIFEST.md 의 번들 명세, 번들 생성을 위한 CLI 도구(CLI.md 참조), 그리고 macOS와 Windows용 Claude가 MCPB 번들을 로드하고 검증하는 데 사용하는 코드(src/index.ts).

• 로컬 MCP 서버 개발자들을 위해 서버의 배포 및 설치를 편리하게 만드는 것을 목표로 합니다
• 로컬 MCP 서버를 지원하는 앱 개발자를 위해 MCPB 번들 지원을 쉽게 추가할 수 있도록 하는 것을 목표로 합니다

MCP Bundles (MCPB)

⚠️ IMPORTANT NOTICE: This project is being renamed from DXT (Desktop Extensions) to MCPB (MCP Bundles)

If you’re looking for the DXT tools, they have been renamed to MCPB. Please update your dependencies and tooling:

• dxt CLI is now mcpb
• .dxt files are now .mcpb files
• @anthropic-ai/dxt package will be moved to @anthropic-ai/mcpb

MCP Bundles (.mcpb) are zip archives containing a local MCP server and a manifest.json that describes the server and its capabilities. The format is spiritually similar to Chrome extensions (.crx) or VS Code extensions (.vsix), enabling end users to install local MCP servers with a single click.

This repository provides three components: The bundle specification in MANIFEST.md, a CLI tool for creating bundles (see CLI.md), and the code used by Claude for macOS and Windows to load and verify MCPB bundles (src/index.ts).

• For developers of local MCP servers, we aim to make distribution and installation of said servers convenient
• For developers of apps supporting local MCP servers, we aim to make it easy to add support for MCPB bundles

Claude for macOS and Windows uses the code in this repository to enable single-click installation of local MCP servers, including a number of end user-friendly features - such as automatic updates, easy configuration of MCP servers and the variables and parameters they need, and a curated directory. We are committed to the open ecosystem around MCP servers and believe that its ability to be universally adopted by multiple applications and services has benefits developers aiming to connect AI tools to other apps and services. Consequently, we’re open-sourcing the MCP Bundle specification, toolchain, and the schemas and key functions used by Claude for macOS and Windows to implement its own support of MCP Bundles. It is our hope that the mcpb format doesn’t just make local MCP servers more portable for Claude, but other AI desktop applications, too.

For Bundle Developers

At the core, MCPB are simple zip files containing your entire MCP server and a manifest.json. Consequently, turning a local MCP server into a bundle is straightforward: You just have to put all your required files in a folder, create a manifest.json, and then create an archive.

To make this process easier, this package offers a CLI that helps you with the creation of both the manifest.json and the final .mcpb file. To install it, run:

npm install -g @anthropic-ai/mcpb

1. In a folder containing your local MCP server, run mcpb init. This command will guide you through the creation of a manifest.json.
2. Run mcpb pack to create a mcpb file.
3. Now, any app implementing support for MCPB can run your local MCP server. As an example, open the file with Claude for macOS and Windows to show an installation dialog.