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exileum

meta-mcp

ig_get_messages

Retrieve messages from an Instagram DM conversation by providing the conversation ID, with optional pagination and count limits.

Instructions

Get messages in a specific DM conversation.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
conversation_idYesConversation ID
limitNoNumber of messages
afterNoPagination cursor
Behavior2/5

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

With no annotations, the description carries full responsibility for behavioral disclosure. It only states the basic purpose, omitting details on pagination, rate limiting, authentication, or error handling. This is insufficient for safe agent invocation.

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?

The description is concise at 8 words and one sentence. It is front-loaded with the core action. While no structure like headings is needed for such a simple tool, it could be slightly more informative without sacrificing brevity.

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?

Given no output schema and 3 parameters including a pagination cursor, the description should explain return format and pagination behavior. It does not, making it incomplete for an agent to use 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?

Input schema has 100% description coverage for all 3 parameters, so baseline is 3. The description adds no additional clarity beyond the schema's minimal descriptions (e.g., 'Conversation ID', 'Number of messages').

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 it gets messages from a specific DM conversation, with a clear verb and resource. However, it does not distinguish from the sibling tool 'ig_get_message' which likely gets a single message, missing an opportunity to clarify the difference.

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 vs alternatives like 'ig_get_message', or any prerequisites (e.g., having a conversation_id from 'ig_get_conversations'). The description lacks context for appropriate use.

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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