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RPG Maker MV MCP Server

RPG Maker MV MCP Server

by Xerolo44
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

Stop playtest

playtest_stop

Stops the running playtest process and HTTP server, ending test sessions and freeing resources when playtesting is complete.

Instructions

Stop the running playtest process and/or HTTP server.

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": "playtest_stop"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv0.5.1

TDQS

A3.6/5.0
Behavior3/5

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

No annotations are provided, so the description must carry the behavioral burden. It usefully discloses scope by naming two targets (process and HTTP server) and the "and/or" hints they can be stopped independently, but says nothing about graceful shutdown, whether in-flight state is lost, error behavior when nothing is running, or idempotency.

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?

A single front-loaded sentence with the action first and the target scope second. Nothing redundant or 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 zero-parameter termination tool with no output schema and no annotations, the description covers the core action but omits the consequences an agent would want: what state remains after stopping, whether unsaved playtest data is discarded, and whether the call is safe to repeat.

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, which is the baseline-4 case. The description correctly implies no arguments are needed to identify the target (the running playtest is unique).

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 ("Stop") and resource ("the running playtest process and/or HTTP server"), which cleanly separates it from playtest_start, playtest_status, and playtest_log. It doesn't explicitly name those siblings, but the verb/resource pairing makes the distinction unambiguous.

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

Usage Guidelines3/5

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

Usage is only implied: you stop a running playtest. The description never says when this is appropriate versus leaving a session running, nor what happens if no playtest is active, leaving the agent to infer preconditions.

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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