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ry-ops

fortigate-mcp-server

by ry-ops

list_dhcp_servers

Retrieve DHCP servers, including ranges, options, and reservations, from a FortiGate firewall to inspect or audit VDOM DHCP configuration.

Instructions

List DHCP servers with their ranges, options and reservations.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
vdomNoVDOM (default: FORTIGATE_VDOM, usually root)
filterNoFortiOS filter expression, e.g. name=@k3s (contains) or action==accept
formatNoOnly return these fields, '|'-separated, e.g. policyid|name|action

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.4.1

TDQS

B3.1/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden of behavioral disclosure. 'List' implies a read-only operation, but the description says nothing about pagination, permission/VDOM requirements, or whether the full server config is returned — significant gaps for an unannotated tool.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with no filler. Every word (verb, resource, returned sub-objects) earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema, the description partially compensates by naming the returned sub-objects, but it omits pagination behavior, result volume, and the effect of the filter/format parameters. Adequate but with clear gaps for a list tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% (vdom, filter, format all documented), so the baseline of 3 applies. The description's mention of 'ranges, options and reservations' describes return content rather than adding meaning to the parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb (List) and resource (DHCP servers) and names the sub-objects returned (ranges, options, reservations), which distinguishes it from siblings like list_dhcp_leases and update_dhcp_server. It stops short of explicitly naming alternatives, but the resource is unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No when-to-use guidance, no prerequisites, and no routing to alternatives such as list_dhcp_leases for active leases or update_dhcp_server for modifications. The agent must infer the use case from the name alone.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.