QRStuff MCP Server

Get scans by date

get_scans_by_date

Read-onlyIdempotent

Use this when the user wants scans per day for the account, a project or a code, for example for a chart. Read-only.

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": "get_scans_by_date"
  }
}

Input Schema

Name	Required	Description	Default
`page`	No	Page number.
`scope`	No	account for everything, project for one project (needs idproject), qrcode for one code (needs idqrcode and its idproject).	account
`end_date`	No	End of the period, YYYY-MM-DD. Leave empty for today. Always send it when the user names a period.
`idqrcode`	No	QR code ID from `list_qrcodes`. Required when scope is qrcode. Never guess an ID.
`per_page`	No	Items per page.
`idproject`	No	Project ID from `list_projects`. Required when scope is project or qrcode. Never guess an ID.
`start_date`	No	Start of the period, YYYY-MM-DD. Leave empty for the last 30 days. Always send it when the user names a period.

Output Schema

Name	Required	Description	Default
`total`	No
`buckets`	No
`per_page`	No
`last_page`	No
`current_page`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed5 schema fields changedOct 30, 2026

changedInput schema / properties / end_date / description

Previous value: -"End date YYYY-MM-DD. REQUIRED when the user asks for a specific period; do not omit if they mention dates. Defaults to today only when no range given."New value: +"End of the period, YYYY-MM-DD. Leave empty for today. Always send it when the user names a period."

changedInput schema / properties / idproject / description

Previous value: -"Project ID. Required when scope=project or qrcode."New value: +"Project ID from `list_projects`. Required when scope is project or qrcode. Never guess an ID."

changedInput schema / properties / idqrcode / description

Previous value: -"QR code ID. Required when scope=qrcode."New value: +"QR code ID from `list_qrcodes`. Required when scope is qrcode. Never guess an ID."

changedInput schema / properties / scope / description

Previous value: -"Scope: account (default), project, or qrcode"New value: +"account for everything, project for one project (needs idproject), qrcode for one code (needs idqrcode and its idproject)."

changedInput schema / properties / start_date / description

Previous value: -"Start date YYYY-MM-DD. REQUIRED when the user asks for a specific period; do not omit if they mention dates. Defaults to 30 days ago only when no range given."New value: +"Start of the period, YYYY-MM-DD. Leave empty for the last 30 days. Always send it when the user names a period."

First observedOct 12, 2026

TDQS

A3.6/5.0

Behavior3/5

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

Annotations already declare readOnlyHint, idempotentHint and destructiveHint=false, so "Read-only" restates structured data. The one useful addition is the disclosure that output is bucketed per day, but nothing is said about pagination, gaps in empty days, or aggregation semantics.

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 short sentences with the trigger condition front-loaded. The trailing "Read-only." is redundant against the annotations but costs little.

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?

With an output schema present and rich annotations, the description need only convey purpose and scope, which it does. Date-range defaults and ID sourcing are handled by the schema, so the remaining gap is minor.

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% and every parameter already documents defaults, formats and cross-references (list_qrcodes, list_projects). The description only echoes the account/project/code scope that the enum already encodes, adding no format or dependency detail beyond it.

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 resource and granularity ("scans per day") plus the three scoping levels, which implicitly separates it from by-country/device/region siblings. It never names those siblings explicitly, so it falls short of full differentiation.

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?

"Use this when the user wants scans per day ... for example for a chart" gives a concrete triggering intent and a typical downstream use. It offers no when-not guidance or named alternative (e.g. get_total_scans for a single number).

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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