Nagios MCP

Created By

PROSPIRE-TECHNOLOGY-SERVICES6 months ago

MCP Server for Nagios Core.

# Nagios

# Nagios-Core

Overview Content Tools Comments

Overview

nagios-mcp

PyPI - Version Python Version from PEP 621 TOML

MCP Server for Nagios Core.

This server is built by us for the Nagios Core web-client. The code for the server can be found here. The server utilizes the CGI binaries located at the cgi-bin or sbin folder in your Nagios folder. More specifically the statusjson.cgi and objectjson.cgi files for the purpose of the status and configuration tooling.

List of Tools:

Tool Name	Tool Description
`get_host_status`	Retrieves status for all hosts or a specific host.
`get_service_status`	Retrieves status for services using `statusjson.cgi`.
`get_alerts`	Retrieves current problematic host and service states (alerts).
`get_program_status`	Retrieves the Nagios Core program status from statusjson.cgi
`get_hosts_in_group_status`	Retrieves status for all hosts within a specific host group.
`get_services_in_group_status`	Retrieves status for all services within a specific service group.
`get_services_on_host_in_group_status`	Retrieves status for all the services with a specific host group.
`get_overall_health_summary`	Retrieves overall health summary for all the hosts and services.
`get_unhandled_problems`	Retrieves all the unhandled problems for all the hosts and services.
`get_object_list_config`	Retrieves configuration list for object types like "hosts", "services", "hostgroups", etc.
`get_single_object_config`	Retrieves configuration for a single specific object.
`get_host_dependencies`	Retrieves host dependencies for the given host.
`get_service_dependencies`	Retrieves service dependencies for the given host.
`get_contacts_for_object`	Retrieves the list of contacts to inform for an object.
`get_comments`	Retrieves comments based on the host and service.
`get_comment_by_id`	Retrieves comments for the given comment id.
`get_downtimes`	Retrieves the information for the downtimes in the Nagios Host Process.
`get_nagios_process_info`	Returns the information for the Nagios process. (Alias for get_program_status function)

Currently all the tools use GET requests. Other useful tools and tools requiring POST requests will be added soon.

How the MCP server works?

Nagios Core web-client is typically hosted on http://YOUR_HOST/nagios/
The MCP server reads the details about the processes and services using the CGI binaries, they can be found in the cgi-bin or sbin sub-directory in your Nagios main directory.
The Status Tools and Config Tools use the cgi-bin/statusjson.cgi and cgi-bin/objectjson.cgi files respectively for retrieving the information.

Server Config

{
  "mcpServers": {
    "nagios-mcp-stdio": {
      "command": "uvx",
      "args": [
        "nagios-mcp",
        "--config",
        "ABSOLUTE_PATH_TO/nagios_config.yaml"
      ]
    },
    "nagios-mcp-sse": {
      "url": "http://localhost:8000/sse"
    }
  }
}

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