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jamiew

SoundCloud MCP Server

Get messages

get_messages
Read-only

Retrieve messages from a specific SoundCloud conversation by conversation ID. Optionally limit the number of messages returned.

Instructions

Get messages from a conversation

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNo
conversationIdYes
Behavior3/5

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

Annotations already declare readOnlyHint=true, so the read-only nature is covered. The description adds that messages are from a conversation but does not disclose ordering, pagination, or response format. With annotations providing the safety profile, a score of 3 is appropriate.

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

Conciseness3/5

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

The description is extremely concise (one sentence), but it sacrifices informativeness. While front-loaded, it does not earn its place by adding value beyond the name and title.

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?

With no output schema and undocumented parameters, the description should provide a complete picture. It omits details like return type, message ordering, and pagination, making it insufficient for an agent to predict behavior accurately.

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

Parameters1/5

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

Schema description coverage is 0%, and the description adds no semantic information about the two parameters (conversationId, limit). The agent must infer meaning solely from parameter names, which is insufficient for correct invocation.

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 verb 'get' and the resource 'messages', specifying they come 'from a conversation'. This distinguishes it from siblings like 'get_conversation' or 'send_message', though it doesn't specify scope (e.g., all messages or recent).

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. With many sibling tools (e.g., send_message, get_conversation), explicit usage context is lacking, leaving the agent to infer.

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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