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paoloamato2

FortiOS 7.6.x MCP Server

by paoloamato2

firewall_vip_create

Creates a virtual IP object for DNAT or port forwarding, mapping external to internal IPs with optional port translation.

Instructions

Create a new Virtual IP (DNAT/port-forward) object.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesVIP name.
external_ipYesExternal (public) IP address or range.
mapped_ipYesInternal (mapped) IP address or range.
interfaceNoExternal interface (default: any).any
portforwardNoEnable port forwarding: enable or disable.disable
external_portNoExternal port(s) (e.g. '8080' or '8080-8090').
mapped_portNoInternal mapped port(s).
protocolNoProtocol for port forwarding: tcp, udp, or sctp.tcp
commentNoComment.
vdomNoTarget VDOM name. Defaults to the server default VDOM. Use '*' for all VDOMs (super-admin required).

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations provided, so description must carry full burden. It only says 'create' but does not disclose side effects, permissions, or behavior on existing objects. The vdom parameter hint is in schema, not description.

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?

Single sentence with clear action and object, very concise. However, it is overly minimal and could include more context without losing conciseness.

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?

Given the tool has 10 parameters and no annotations, the description is insufficient. It does not explain return values (output schema exists), use cases, or relationship between parameters like port forwarding.

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 coverage is 100%, so all parameters are described in schema. The tool description adds no additional meaning or relationships beyond the schema.

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

Purpose5/5

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

The description clearly states the action 'Create' and the resource 'Virtual IP (DNAT/port-forward) object'. It distinguishes from sibling tools like firewall_vip_list or firewall_vip_delete by indicating creation.

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 explicit guidance on when to use this tool vs alternatives. No mention of prerequisites, limitations, or preferred contexts.

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

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