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plumberpros

by io.github.itsryanarmani
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search_listings

Read-onlyIdempotent

Search published plumbers by text, place and category.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "search_listings"
  }
}

Input Schema

NameRequiredDescriptionDefault
qNoSearch text, with at least one letter or digit. Matches name, categories, attributes, description and place. Typos fall back to close matches.
cityNoCity slug, from /places.
sortNo`relevance` needs `q` and is the default with it. `name` is the default without `q`. `recent` is newest first.
limitNoItems per page.
cursorNo`page.nextCursor` from the previous response. Opaque. Send the same filters and `limit`.
regionNoRegion slug, from /places.
countryNoISO 3166-1 alpha-2 country code, any case. A country the directory does not cover, as listed in /places, gives 400.
categoryNoCategory slug, from /categories. A parent slug also matches its children.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

B3.2/5.0
Behavior3/5

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

Annotations already declare readOnly, idempotent, non-destructive, closed-world behavior, so the safety profile is covered. The description adds only the "published" scoping qualifier (unpublished listings are excluded), but says nothing about pagination, sort defaults, or typo fallback beyond what the schema already documents.

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?

A single front-loaded sentence with no filler. It is appropriately sized but arguably too sparse for an 8-parameter tool, so it is concise without being wasteful.

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

Completeness3/5

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

For a no-required-parameter, cursor-paginated search with no output schema, the definition leaves the agent to rely almost entirely on the schema and annotations. It does not explain result shape, default behavior with empty filters, or how results are ordered, which a search tool of this complexity would benefit from stating.

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 description coverage is 100%, so the schema already explains q, city, region, country, category, sort, limit and cursor in detail. The description's mapping of "text, place and category" to the parameters adds no semantics beyond the schema, making the 3 baseline appropriate.

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

Purpose4/5

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

States a specific verb (search) and resource (published plumbers) plus the three main filter axes. It's clear what the tool does, but it never distinguishes itself from siblings like get_listing or list_places, so the agent must infer the search-vs-get split.

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?

"Search" implies lookup usage, but there is no explicit statement of when to use this instead of get_listing or list_places, nor any prerequisite or exclusion. Guidance is entirely inferred from the verb.

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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