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gensecaihq

pfSense MCP Server

by gensecaihq

search_firewall_states

Read-only

Search firewall states (active connections) by source, destination, or protocol, with pagination and sorting to locate specific network flows.

Instructions

Search firewall states (active connections) with filtering and pagination

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination
sort_byNoField to sort by (id, protocol, source, destination, etc.)id
page_sizeNoNumber of results per page
search_termNoSearch across state source/destination/protocol (client-side filter)

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false, so the description adds the behavioral context of supporting filtering and pagination. It clarifies the resource scope as active connections without contradicting annotations.

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?

Single sentence, front-loaded with the core purpose, no redundant words. Every element 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?

For a simple search tool with an output schema and comprehensive annotations, the description covers the essential aspects. The schema explains parameters and output, so the description doesn't need to elaborate further.

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 parameters are fully documented in the schema. The description's mention of 'filtering and pagination' maps to search_term and page/page_size but adds no new meaning beyond the schema's parameter descriptions.

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?

Clearly identifies the resource (firewall states/active connections) and action (search), with explicit mention of filtering and pagination. This distinguishes it from siblings like search_firewall_rules and delete_firewall_state.

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

Usage Guidelines3/5

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

Implies usage for querying the state table with optional filters and paging, but does not explicitly state when to prefer this over alternatives or mention exclusions. No alternative tools are referenced.

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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