vyos-mcp

vyos-mcp

An MCP server for managing VyOS routers via the HTTPS REST API, enabling configuration changes, operational commands, and system maintenance tasks. It also provides tools to search and read live VyOS documentation directly from official sources to assist with command syntax and router features.

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README

mcp-server-vyos

CI codecov PyPI Python License: MIT

MCP server for VyOS router management via the HTTPS REST API. Provides both router management tools and live VyOS documentation lookup.

Installation

pip install mcp-server-vyos

Configuration

Set environment variables:

  • VYOS_URL — Router API endpoint (e.g., https://vyos.example.com)
  • VYOS_API_KEY — API key for authentication

VyOS Router Setup

Enable the HTTPS API on your VyOS router:

configure
set service https api keys id my-mcp-key key <your-api-key>
set service https api rest
commit
save

Claude Code

Add to your MCP client configuration:

{
  "mcpServers": {
    "vyos": {
      "command": "mcp-server-vyos",
      "env": {
        "VYOS_URL": "https://vyos.example.com",
        "VYOS_API_KEY": "your-api-key"
      }
    }
  }
}

Tools

Router Management

Tool Description
vyos_info System info (no auth required)
vyos_retrieve Read configuration at a path
vyos_return_values Get multi-valued config node values
vyos_exists Check if a config path exists
vyos_show Run operational show commands
vyos_configure Apply config with commit-confirm (safe default)
vyos_confirm Confirm a pending commit-confirm
vyos_save Save running config to disk
vyos_load Load a configuration file
vyos_merge Merge config file or string into running config
vyos_generate Generate keys, certificates, etc.
vyos_reset Reset operations
vyos_reboot Reboot the router
vyos_poweroff Power off the router
vyos_image_add Add a system image from URL
vyos_image_delete Delete a system image

Documentation

Tool Description
vyos_docs_search Search VyOS documentation by topic
vyos_docs_read Read a specific documentation page

Documentation is fetched live from the vyos-documentation repository, so it stays in sync with the latest VyOS releases. Results are cached for 1 hour.

Safety

  • Configuration changes use commit-confirm by default -- changes auto-revert after 5 minutes unless confirmed with vyos_confirm
  • Destructive operations (vyos_reboot, vyos_poweroff, vyos_image_delete) include warning descriptions
  • API keys are never logged or included in tool outputs
  • Self-signed TLS certificates are accepted by default (common on VyOS)

Development

uv venv && source .venv/bin/activate
uv pip install -e ".[dev]"
pytest
ruff check .

License

MIT

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