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Crawlora MCP

by net.crawlora
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modrinth_statistics

Read-only

Get Modrinth's instance-wide public statistics: the total projects, versions, authors and files currently hosted. Takes no input; use this for a catalog-size snapshot rather than per-project counters, which modrinth_project returns.

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": "modrinth_statistics"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Output Schema

NameRequiredDescriptionDefault
dataYesThe tool result payload (shape varies per tool; see each tool's docs resource).

Schema Changelog

Changes observed during successful MCP inspections.

  1. Added

TDQS

A4.7/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true and openWorldHint=true, so the safety profile is covered. The description still adds value by noting the figures are public and reflect what is 'currently hosted', signaling a live snapshot rather than a cached aggregate, though it says nothing about freshness guarantees or rate limits.

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?

Two sentences, zero waste: scope and returned fields first, then the no-input constraint and the sibling routing. Nothing is padded or repeated from the schema.

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

Completeness5/5

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

For a zero-parameter read with an output schema and full annotation coverage, the description supplies everything needed: what it returns, that it needs no input, and how it differs from the nearest sibling. No gaps remain for correct invocation.

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?

The tool takes zero parameters, so the schema needs no elaboration. The description correctly states 'Takes no input', which removes any doubt an agent might have about supplying arguments.

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?

Names a specific verb (Get) and resource (Modrinth instance-wide public statistics) and immediately enumerates the counters returned: total projects, versions, authors and files. It also explicitly distinguishes itself from modrinth_project's per-project counters, so an agent can tell the two apart without opening either schema.

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

Usage Guidelines5/5

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

Gives an explicit use case (catalog-size snapshot) and an explicit alternative for the adjacent need (per-project counters via modrinth_project). Both the when and the when-not are stated rather than left to inference.

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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