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ebay_reply_to_message

Reply to a buyer's message in an existing eBay conversation. Provide the conversation ID and your response to continue the thread.

Instructions

Reply to a buyer message in an existing conversation thread

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
messageIdYesThe conversation/message ID to reply to
messageContentYesThe reply message content
Behavior2/5

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

No annotations are provided, so the description bears full responsibility for behavioral disclosure. It does not mention any side effects (e.g., notification triggers, permission requirements, idempotency, or rate limits). The minimal description fails to convey important behavioral traits beyond the basic action.

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?

A single sentence that is concise and front-loaded with the core action. However, it could be expanded slightly to include context without becoming verbose. Currently, it is efficient but minimally informative.

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 simple reply action with no output schema and only two parameters, the description is somewhat complete. However, it lacks details about format constraints for message content, whether the conversation must exist, and any response expectations. More context would improve completeness.

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 coverage is 100% with adequate descriptions for both parameters ('The conversation/message ID to reply to' and 'The reply message content'). The tool description adds no extra meaning beyond the schema, so baseline score of 3 is appropriate.

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 uses a specific verb 'Reply' and clearly identifies the resource as 'a buyer message in an existing conversation thread'. This distinctly separates it from sibling tools like 'ebay_send_message' (sending a new message) and 'ebay_get_message' (reading).

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 explicit guidance on when to use this tool versus alternatives such as 'ebay_send_message' or 'ebay_update_conversation'. It does not mention prerequisites (e.g., needing an existing conversation ID) or that it is specifically for seller replies.

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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