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gensecaihq

pfSense MCP Server

by gensecaihq

delete_dhcp_static_mapping

Destructive

Delete a DHCP static mapping by ID. Requires explicit confirmation; this action is irreversible.

Instructions

Delete a DHCP static mapping by ID. WARNING: This is irreversible.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
confirmNoMust be set to True to execute. Safety gate for destructive operations.
dry_runNoIf True, preview the operation without executing.
interfaceYesInterface/DHCP pool the mapping belongs to (e.g., "lan"). Required to avoid race conditions with auto-detection.
mapping_idYesStatic mapping ID
apply_immediatelyNoWhether to apply changes immediately

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

Adds 'WARNING: This is irreversible' which provides consequence context beyond the destructiveHint annotation. However, it does not mention the confirm safety gate or apply_immediately behavior, which are covered in the schema.

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?

One concise sentence plus a warning, front-loaded with the action. Every word earns its place.

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

Completeness4/5

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

With destructiveHint annotation, full schema coverage, and an output schema, the description is adequate for a destructive tool. It could mention the confirm gate, but the schema covers that, so no critical information is missing.

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 has 100% parameter description coverage, so the description adds no new parameter meaning beyond what is already in the schema. Baseline 3 applies.

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?

Description clearly states the action ('Delete'), the resource ('DHCP static mapping'), and the identifier ('by ID'), distinguishing it from sibling tools that create, update, or search mappings.

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 versus alternatives (e.g., update to disable) or any exclusions. The description only states what it does, not when to invoke it.

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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