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ry-ops

fortigate-mcp-server

by ry-ops

get_address

Retrieve a firewall address object by name from a FortiGate device, optionally from a specific VDOM, to inspect its IP, subnet, or FQDN details.

Instructions

Get one firewall address object.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesAddress name
vdomNoVDOM (default: FORTIGATE_VDOM, usually root)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.4.1

TDQS

C2.9/5.0
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. It implies a non-destructive read, but says nothing about required permissions, behavior when the name is absent, or whether VDOM scoping affects visibility.

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

Conciseness4/5

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

A single short sentence with no padding, and the operation is stated up front. It is efficient, though its brevity reflects under-specification rather than disciplined editing.

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

Completeness2/5

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

With no annotations and no output schema, the description should describe what is returned (the address object fields) and error behavior for an unknown name. Neither is covered, leaving an agent unable to anticipate the response shape.

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%, so both parameters (name, vdom) are already documented in the schema, including the VDOM default. The description adds no meaning beyond that, so the baseline 3 applies.

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?

The description gives a specific verb ("Get") and resource ("firewall address object") with the scope narrowed to a single object, which implicitly distinguishes it from the sibling list_addresses. It stops short of explicitly naming that alternative, so it is clear but not fully differentiated from its siblings.

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?

There is no statement of when to use this tool versus list_addresses, get_firewall_policy, or any other retrieval sibling, and no prerequisites (e.g., that the address must already exist). Usage is only inferable from the word "one".

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