MCP Toolkit - How to add server to MCP Toolkit out of official catalog

Docker Desktop
1

Hi

I have successfully add servers to MCP toolkit and I can use them from Claude AI. Great!

Is it possible to add own server to MCP toolkit out of official catalog?

I have try to create own catalog and add server by docker mcp commands but no success.

Using windows version of Docker desktop version 4.46.0

BR
Sami

2

Then please, desribe what was the problem. You can create your own catalog like

docker mcp catalog create my-catalog

And add your server

docker mcp catalog add --help

Docker MCP Toolkit's CLI - Manage your MCP servers and clients.

Usage: docker mcp catalog add <catalog> <server-name> <catalog-file>

Flags:
      --force   Overwrite existing server in the catalog


Examples:
  # Add a server from another catalog file
  docker mcp catalog add my-catalog github-server ./github-catalog.yaml

  # Add with force to overwrite existing server
  docker mcp catalog add my-catalog slack-bot ./team-catalog.yaml --force
1 Like
3

Hi, Thanks for help.

I was able to add my server to catalog.

docker mcp catalog add dev-servers gnss-mcp ./my-server.yaml --force

This was helpful. Problem seems to be in my server. It doesnā€™t respond correctly.

docker mcp gateway run

playwright: (21 tools)
mcp-api-gateway: (2 tools)
Canā€™t start gnss-mcp: failed to connect: calling ā€œinitializeā€: invalid message version tag ā€œā€; expected ā€œ2.0ā€
23 tools listed in 5.8866848s
ā€“ Watching for configuration updatesā€¦
Initialized in 5.9505295s

BR
Sami

4

What is in your yaml file?. Have you looked for the meaning of the error message? If you share a code or terminal output, please, donā€™t use quotes. Use code blocks. Some help: How to format your forum posts

6

Totally agree that the CLI is a solid option for managing custom servers.

I was wondering, though: Does Docker Desktop also allow you to manage custom catalog servers directly in the UI?

Use Case: Weā€™re looking at this for some enterprise and personal group projects where we have to keep our images private and canā€™t push them to a public registry.

Being able to manage integrations directly in the UI would be a fantastic help, especially for teammates who arenā€™t developers but still need to handle things like complex configurations or OAuth.

Thanks for any insights!

7

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