Cisco Modeling Labs CML MCP Server

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local only

Cisco Modeling Labs CML runs on your own machine — the client starts it, so there is no endpoint to ping. 468 installs a week from pypi. Last commit 8 Oct 2026.

An MCP server that provides access to common Cisco Modeling Labs (CML) operations.

Installs per day peak 637 · avg 150 · -33% w/w

a month agotoday

468

Installs / week

pypi · cml-mcp

Stars

1 open issue

8 Oct 2026

Last commit

from GitHub

BSD-2-Clause

License

Python

Nothing serious here today

Today is the operative word: we check Cisco Modeling Labs CML every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add cml-mcp -e 'CML_URL=<CML_URL>' -e 'CML_USERNAME=<CML_USERNAME>' -e 'CML_PASSWORD=<CML_PASSWORD>' -- uvx cml-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "cml-mcp": {
      "command": "uvx",
      "args": [
        "cml-mcp"
      ],
      "env": {
        "CML_PASSWORD": "<CML_PASSWORD>",
        "CML_URL": "<CML_URL>",
        "CML_USERNAME": "<CML_USERNAME>"
      }
    }
  }
}

~/.codex/config.toml

[mcp_servers.cml-mcp]
command = "uvx"
args = ["cml-mcp"]
env = { CML_URL = "<CML_URL>", CML_USERNAME = "<CML_USERNAME>", CML_PASSWORD = "<CML_PASSWORD>" }

.cursor/mcp.json

{
  "mcpServers": {
    "cml-mcp": {
      "command": "uvx",
      "args": [
        "cml-mcp"
      ],
      "env": {
        "CML_PASSWORD": "<CML_PASSWORD>",
        "CML_URL": "<CML_URL>",
        "CML_USERNAME": "<CML_USERNAME>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "cml-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "cml-mcp"
      ],
      "env": {
        "CML_PASSWORD": "<CML_PASSWORD>",
        "CML_URL": "<CML_URL>",
        "CML_USERNAME": "<CML_USERNAME>"
      }
    }
  }
}

Put your own values in place of <CML_URL> (URL for the CML Server), <CML_USERNAME> (Username for CML authentication), <CML_PASSWORD> (Password for CML authentication). The author’s registry entry marks them as required.

Optional settings from the registry entry, left out of the block above: PYATS_USERNAME (Username for authentication to devices running in CML), PYATS_PASSWORD (Password for authentication to devices running in CML), PYATS_AUTH_PASS (Enable password for authentication to devices running in CML).

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Cisco Modeling Labs CML — questions

Answers built from our own checks of this server.

Why is there no uptime for Cisco Modeling Labs CML?

Cisco Modeling Labs CML runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package cml-mcp was installed 468 times last week.

How do I connect Cisco Modeling Labs CML?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls cml-mcp straight from pypi; nothing to host, nothing to sign up for.

How many people use Cisco Modeling Labs CML?

The pypi package cml-mcp was installed 468 times in the last week. Week over week that is -33%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Cisco Modeling Labs CML open source?

Yes — it is published under the BSD-2-Clause licence, written in Python, 78 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.