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Build Mcpb

Build Mcpb is an agent skill (a SKILL.md file) from anthropics/claude-plugins-official. It should be used when the user wants to "package an MCP server", "bundle an MCP", "make an MCPB", "ship a local MCP server", "distribute a local MCP", discusses ".mcpb… It works with Claude Code and has 37,478 GitHub stars across a repository of 7 listed skills.

github.com/anthropics/claude-plugins-official/plugins/mcp-server-dev/skills/build-mcpb (opens in a new tab)

  • Official
  • Multi-skill repo
  • Plugin marketplace
  • Coding
  • Actively maintained
View on GitHub (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add anthropics/claude-plugins-official
/plugin install mcp-server-dev@claude-plugins-official

In the Claude apps, zip the build-mcpb folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/anthropics/claude-plugins-official.git
cp -r claude-plugins-official/plugins/mcp-server-dev/skills/build-mcpb .agents/skills/build-mcpb   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/anthropics/claude-plugins-official.git
cp -r claude-plugins-official/plugins/mcp-server-dev/skills/build-mcpb .cursor/skills/build-mcpb   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

This skill should be used when the user wants to "package an MCP server", "bundle an MCP", "make an MCPB", "ship a local MCP server", "distribute a local MCP", discusses ".mcpb files", mentions bundling a Node or Python runtime with their MCP server, or needs an MCP server that interacts with the local filesystem, desktop apps, or OS and must be installable without the user having Node/Python set up. MCPB is a local MCP server packaged with its runtime.

When it triggers

  • used when the user wants to "package an MCP server", "bundle an MCP", "make an MCPB", "ship a local MCP server", "distribute a local MCP", discusses ".
  • "package an MCP server"
  • "bundle an MCP"
  • "make an MCPB"
  • "ship a local MCP server"
  • "distribute a local MCP"
  • ".mcpb files"

More skills in anthropics/claude-plugins-official

7 skills are listed from this repository.

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All Coding

FAQ

Build Mcpb FAQ

Still curious? Email info@appsgit.com.

What is the Build Mcpb skill?

Build Mcpb is an agent skill (a SKILL.md file) from anthropics/claude-plugins-official. It should be used when the user wants to "package an MCP server", "bundle an MCP", "make an MCPB", "ship a local MCP server", "distribute a local MCP", discusses ".mcpb… It works with Claude Code and has 37,478 GitHub stars across a repository of 7 listed skills. Its SKILL.md lives at github.com/anthropics/claude-plugins-official/plugins/mcp-server-dev/skills/build-mcpb.

How do I install the Build Mcpb skill?

In Claude Code, run /plugin marketplace add anthropics/claude-plugins-official and then /plugin install mcp-server-dev@claude-plugins-official. For Codex or Cursor, copy the build-mcpb folder into .agents/skills/ or .cursor/skills/.

Is the Build Mcpb skill free?

Yes. The repository is open source under the Apache-2.0 license.

Is Build Mcpb maintained?

The repository's most recent commit was on Oct 5, 2026. appsgit only lists skills from repositories with a commit in the last six months.