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update_database

Modify RPG Maker MZ database entries including Actors, Classes, Skills, Items, Weapons, and Armors by updating specific fields and values.

Instructions

Update an entry in any database (Actors, Classes, Skills, Items, Weapons, Armors, etc.)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
databaseYesDatabase name (e.g., 'Actors', 'Classes', 'Skills', 'Items')
idYesEntry ID
project_pathYesPath to the RPG Maker MZ project directory
updatesYesObject containing fields to update
Behavior2/5

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

With no annotations provided, the description carries full burden but only states the action ('Update') without disclosing behavioral traits such as permissions needed, whether updates are reversible, error handling, or impact on existing data. This is inadequate for a mutation tool with zero annotation coverage.

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 a single, efficient sentence with zero waste—it directly states the tool's purpose and provides helpful examples without unnecessary elaboration, making it front-loaded and easy to parse.

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

Completeness2/5

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

For a mutation tool with 4 parameters, no annotations, and no output schema, the description is incomplete. It lacks critical context such as return values, error conditions, or behavioral details, leaving significant gaps for an agent to use it correctly.

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?

Schema description coverage is 100%, so the schema fully documents all 4 parameters. The description adds no additional meaning beyond implying the 'database' parameter accepts the listed types, which is already covered in the schema. Baseline 3 is appropriate when schema does the heavy lifting.

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 clearly states the action ('Update') and resource ('an entry in any database'), with specific examples of database types (Actors, Classes, Skills, Items, etc.). However, it doesn't explicitly distinguish this from sibling tools like 'search_database' or the various 'add_' tools, which would require a 5.

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?

The description provides no guidance on when to use this tool versus alternatives like 'search_database' for reading or 'add_' tools for creation. It mentions database types but doesn't specify prerequisites or exclusions, leaving the agent to infer usage context.

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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