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RPG Maker MV MCP Server

RPG Maker MV MCP Server

by Xerolo44
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
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List database records

list_records

Browse all records of any RPG Maker MV database type, returning ID and name summaries for easy selection.

Instructions

List all records of a database type as {id, name} summaries. Use get_record for full data.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "type": "<type>"
    },
    "name": "list_records"
  }
}

Input Schema

NameRequiredDescriptionDefault
typeYesWhich database to access (e.g. actors, items, skills, troops, commonEvents)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A4.2/5.0
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 the output format as '{id, name} summaries', which is sufficient for a simple list operation. It does not mention pagination or limits, but for this tool such details may be implicit.

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?

The description is two sentences with no wasted words. It front-loads the action ('List all records') and provides relevant guidance in the second sentence.

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?

For a simple tool with one enum parameter and no output schema, the description adequately covers the purpose, output format, and alternative. It could mention that the result is a list/array, but overall it is complete.

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?

The schema has 100% coverage for the single required parameter, so baseline is 3. The description does not add parameter-level details beyond what the schema already provides, so it meets but does not exceed the baseline.

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 uses a specific verb 'List' and clearly states the resource 'database type', and explicitly distinguishes from the sibling tool 'get_record' by noting that this returns '{id, name} summaries' while that returns full data.

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?

The description clearly states the tool lists all records of a type as summaries and recommends 'Use get_record for full data', providing guidance on when to use an alternative. However, it does not explicitly mention when not to use this tool.

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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