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Tobeworks

invoiceshelf-mcp

by Tobeworks

get_customers

Retrieve a list of customers with optional pagination and search filtering. Use it to browse or find customer records in the invoicing system.

Instructions

List customers, with optional pagination and search.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pageNo
limitNo
searchNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.7/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full behavioral burden. It hints that pagination and search are optional but discloses no defaults, page-size limits, sorting behavior, authentication needs, or return shape — significant gaps for an unannotated list 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?

A single front-loaded sentence with no filler; efficient, though its brevity is partly under-specification rather than disciplined concision.

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

Completeness2/5

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

With no annotations, no output schema, and 0% schema description coverage, the description leaves too much unspecified for an agent to call this tool confidently — no defaults, no result format, no guidance on the search parameter.

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

Parameters2/5

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

Schema description coverage is 0%, so the description must compensate for the three parameters. It only maps them loosely to concepts ('pagination', 'search') and adds no format, default, range, or matching semantics (e.g., which customer fields 'search' targets).

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?

The description states a specific verb ('List') and resource ('customers'), which distinguishes it from the singular get_customer and the write-oriented siblings like create_customer. It does not, however, explicitly name or differentiate itself from those siblings in the text itself.

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?

There is no guidance on when to use this tool versus get_customer (single record) or get_customer_invoices. The word 'List' implies a bulk/collection operation, but no conditions, prerequisites, or alternatives are stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.