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Backpack Battles MCP

Backpack Battles MCP

by 53721222-gif

bpb_edit_all

Activates edit-all mode to normalize item placement across multiple backpacks while keeping cross-pack or out-of-pack items out of storage.

Instructions

进入“编辑全部”模式并规范化落格;不会把跨包/包外物品移入储物箱。物品可以同时被多个背包覆盖,游戏没有单一背包限制。

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": "bpb_edit_all"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.3/5.0
Behavior3/5

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

With no annotations at all, the description carries the full burden, and it does disclose meaningful behavioral boundaries: it will not move cross-bag or out-of-bag items into storage, and multiple backpacks may cover the same item with no single-pack restriction. It does not say how the mode is exited, whether edits commit immediately, or what happens to items that cannot be normalized.

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 compact sentences with the primary action front-loaded and constraints following. The term "落格" (placement normalization) is game-specific jargon that may be opaque, but nothing is wasted.

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-argument state-mutating tool with no annotations and no output schema, the description covers the key side-effect boundary but omits how the mode relates to sibling edit tools, whether it must be paired with a later exit call, and what state the agent should expect afterward.

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 there is no parameter semantics to explain; the empty schema is self-evident. Baseline 4 applies.

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 action — entering "edit all" mode and normalizing placement — which is more than a restatement of the name and implies a state change plus a layout operation. However, it does not distinguish itself from close siblings like bpb_edit_items, bpb_edit_bags, and especially bpb_set_edit_mode, leaving the agent to guess which edit entry point to use.

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 explicit when-to-use guidance, no conditions, and no named alternatives, despite five sibling tools in the same edit family. The note about not relocating cross-bag items is a behavioral constraint rather than usage guidance.

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