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MCP Bundler

@wrtnlabs

Repository

Basic information

Category

Other

License

MIT

Transports

stdio

Author

wrtnlabs

About MCP Bundler

Is the MCP configuration too complicated? You can easily share your own simplified setup!

#bundler#typescript#mcp#mcp-server#mcp-client

MCP Bundler config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

MCP Bundler tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is MCP Bundler?

MCP Bundler is a library that lets you bundle an MCP server setup easily by composing multiple MCP servers into a single server configuration. It simplifies sharing MCP settings with others.

How to use MCP Bundler?

Import bundler and RequiredEnv from @wrtnlabs/mcp-bundler, then call bundler() with a config object that includes a name, version, and a list of mcpServers. The resulting server can be run via npx example-mcp for stdio mode, npx example-mcp -p <port> for SSE mode, or used directly with InMemoryTransport for InMemory connections.

Key features of MCP Bundler

  • Bundles multiple MCP server definitions into one server.
  • Supports stdio, SSE, and InMemory transport modes.
  • Accepts both inline server objects and external commands.
  • Uses RequiredEnv to mark environment variables as mandatory.
  • Integrates with existing createServer functions from other MCP packages.

Use cases of MCP Bundler

  • Sharing a pre-configured set of MCP servers with teammates.
  • Running multiple MCP servers (e.g., Figma, calculator, Notion) through a single entry point.
  • Switching between transport modes (stdio, SSE, InMemory) without rewriting server logic.

Frequently asked questions

1

What does MCP Bundler do?

It lets you bundle multiple MCP server setup configurations into one cohesive server, making it easier to share and run them together.

2

How do I run the bundled server in stdio mode?

Execute the bundled server directly, e.g., `npx example-mcp` in the terminal.

3

How do I run it in SSE mode?

Use the `-p` flag with a port number: `npx example-mcp -p 4506`.

4

Can I use MCP Bundler with in‑memory transport?

Yes. Use `InMemoryTransport.createLinkedPair()` to connect a client and server locally without network.

5

What is `RequiredEnv` used for?

It marks environment variables that must be provided by the user when the server starts.

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