Secure VPS Operations MCP Server
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| SSH_HOST | Yes | The hostname or IP address of the VPS to connect to. | |
| SSH_PORT | No | The SSH port to connect to (default: 22). | 22 |
| SSH_USERNAME | Yes | The SSH username on the VPS (e.g., mcp-operator). | |
| ALLOWED_DOMAINS | No | Comma-separated list of allowed domain names for SSL checks. | |
| ALLOWED_SERVICES | No | Comma-separated list of allowed systemd service names. | |
| ALLOWED_DATABASES | No | Comma-separated list of allowed database identifiers. | |
| ALLOWED_CONTAINERS | No | Comma-separated list of allowed container names (resource allowlist). | |
| SSH_KNOWN_HOSTS_FILE | Yes | Path to the known_hosts file for host key verification. | |
| SSH_PRIVATE_KEY_FILE | Yes | Path to the SSH private key file used for authentication. |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| get_system_healthA | Return CPU, memory, load, disk, and service health summary from the VPS. |
| get_disk_usageA | Return filesystem usage for the VPS. |
| list_containersA | List allowlisted Docker containers and their status. |
| get_container_logsC | Return recent logs for an allowlisted Docker container. |
| get_service_statusA | Return systemd status for an allowlisted service. |
| check_nginx_configurationB | Run nginx configuration validation on the VPS. |
| check_ssl_expiryB | Return certificate expiry details for an allowlisted domain. |
| check_database_healthA | Return health information for an allowlisted PostgreSQL database. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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