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finn-seller-mcp

by ML-senior
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

get_listing

Fetches a complete finn.no listing by finnkode, using an optional vertical or automatic probing with cached results for 24 hours.

Instructions

Fetch a full listing by its finnkode.

If ``vertical`` is omitted the server tries a cache hint first, then
probes each vertical until one returns a valid page. Results are cached
for 24 hours in a local SQLite database.

Input Schema

NameRequiredDescriptionDefault
finnkodeYes
verticalNo

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.2.0

TDQS

A4.1/5.0
Behavior4/5

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

With no annotations, the description carries full burden. It discloses caching for 24 hours, fallback probing of verticals, and cache hint behavior, offering solid transparency for a read-only tool.

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?

Two clearly separated paragraphs: one for purpose, one for behavior. Concise without excess, though could add bullet points for readability.

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?

Given simple parameters and an existing output schema, the description covers main behavior and caching. It omits return format but that's delegated to output schema.

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?

Schema coverage is 0%, so description adds value: it explains vertical's behavior when omitted (cache hint, probing). Finnkode is only named, but its role is obvious from 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 'Fetch a full listing by its finnkode', providing a specific verb and resource. It distinguishes from sibling search/save tools by focusing on single listing retrieval.

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?

The context implies use when a finnkode is known, but no explicit when-to-use/alternatives are given. Siblings like search_finn are not mentioned, leaving the agent to infer usage.

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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