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antonio-mello-ai

io.github.antonio-mello-ai/mcp-pfsense

delete_firewall_rule

Remove a firewall rule by its tracker ID. Requires confirmation to prevent accidental deletion.

Instructions

Delete a firewall rule by tracker ID. Requires confirm=true.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
rule_idYes
confirmNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior3/5

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

No annotations are provided, so the description carries full burden. It discloses the confirmation requirement, which is a behavioral safeguard, but does not mention permanence, error conditions, or side effects. The output schema may cover return values, but the description lacks depth for a destructive operation.

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?

Two sentences with zero wasted words. The first sentence states the purpose, and the second provides a critical requirement. Information is front-loaded and efficient.

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?

The tool is simple (2 parameters, required confirm), and the description covers core functionality and a key constraint. The presence of an output schema reduces the need to explain return values. However, it does not mention behavior for missing rule_id or confirm=false scenarios.

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

Parameters4/5

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

Despite 0% schema description coverage, the description adds meaning: 'tracker ID' maps to rule_id, and 'Requires confirm=true' explains the confirm parameter's role. It does not detail types or formats, but the schema already provides integers and booleans.

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 verb 'Delete' and resource 'firewall rule by tracker ID', distinguishing it from sibling delete tools that target different resources (e.g., delete_dhcp_static_mapping).

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

Usage Guidelines4/5

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

The description explicitly requires 'confirm=true', which is a critical usage guideline. However, it does not mention when not to use this tool or compare to alternatives like add_firewall_rule, though the tool name and context provide some implicit differentiation.

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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