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feishu_get_messages

Retrieve recent messages from group chats or direct messages on Feishu, with optional time and count filters.

Instructions

查看群聊或私聊的最近消息记录

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
chat_idNo群聊 ID(oc_xxx)
user_idNo用户 open_id(查私聊)
countNo消息数量,默认 20
start_timeNo起始时间(Unix 秒)
end_timeNo结束时间(Unix 秒)
Behavior2/5

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

No annotations exist; description does not disclose behavioral traits like default message ordering, pagination behavior, rate limits, or whether all messages are retrieved. 'Recent' is vague.

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?

Single sentence, no wasted words. Front-loaded with key information (what tool does). Appropriate for the content.

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?

No output schema; description does not explain return format, whether response includes full message content or just metadata, or how to handle pagination. For a tool with 5 parameters and no annotations, description is too brief.

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%; each parameter has a clear description in the schema. Description adds no additional semantics beyond the schema, meeting baseline for high coverage.

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?

Description specifies verb '查看' (view), resource '最近消息记录' (recent messages), and context '群聊或私聊' (group chats or private chats). Clearly distinguishes from sibling tools like feishu_search_messages (search) and feishu_get_thread (thread messages).

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 on when to use this tool vs alternatives such as feishu_search_messages or feishu_get_thread. Does not mention prerequisites or suitable scenarios.

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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