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get_message_history

Retrieve message history with optional pagination and direction filters for inbound, outbound, or system messages.

Instructions

メッセージ履歴を取得する

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNo取得件数(最大50)
cursorNoページネーション用カーソル
directionNoメッセージ方向(受信/送信/システム)
Behavior1/5

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

No annotations exist, so description must disclose behavior. It only states 'get' without mentioning ordering, permissions, side effects, or return format. Completely opaque.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness2/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Extremely brief (one sentence) but lacks necessary information. Conciseness is not valuable when it sacrifices completeness.

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

Completeness1/5

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

No output schema, no annotations, and 3 parameters with undocumented behavior. Description fails to explain pagination, ordering, or result structure.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema covers all 3 parameters with Japanese descriptions, but the tool description adds zero extra meaning. Baseline would be 3, but since description is entirely redundant, score is reduced.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description is a tautology: 'Get message history' merely restates the tool name. No differentiation from siblings or specifics like scope or direction.

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

Usage Guidelines1/5

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

No guidance on when to use this tool versus alternatives (e.g., other list tools). No prerequisites or context provided.

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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