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create_shop

Create a shop event on a map where players can buy items, weapons, or armor. Define goods, prices, and an optional character sprite.

Instructions

Create a shop event on a map. Uses Shop Processing event commands with a list of goods.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
mapIdYesMap ID
xYesX position
yYesY position
nameYesEvent name
goodsYesArray of [type, itemId, priceType, price]. type: 0=item, 1=weapon, 2=armor. priceType: 0=standard, 1=custom
characterNameNoCharacter sprite filename
characterIndexNoCharacter sprite index (0-7)
Behavior2/5

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

The description mentions it uses 'Shop Processing event commands' but does not disclose side effects, permission requirements, or whether it overwrites existing events. With no annotations covering these, the description should provide more behavioral context.

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 efficiently convey the purpose and a key technical detail. No redundant information, appropriate length.

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?

The description covers the core function but lacks details on output, error handling, or post-creation behavior. For a tool with moderate complexity and no output schema, more context would be helpful.

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?

All 7 parameters are described in the schema (100% coverage), so the description adds little beyond that. It mentions 'list of goods' which is already in the schema, but does not elaborate on formats or constraints.

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 clearly states it creates a shop event on a map. This specific verb-resource combination distinguishes it from sibling tools like create_chest or create_inn, which create different types of events.

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?

No guidance is provided on when to use this tool versus alternatives such as create_boss_event or create_npc. The description lacks explicit context or exclusions.

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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