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exileum

meta-mcp

ig_get_messages

Read-only

Retrieve message history from an Instagram DM conversation by providing the conversation ID.

Instructions

Get messages in a specific DM conversation.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
afterNoPagination cursor for next page
limitNoNumber of messages
beforeNoPagination cursor for previous page
fieldsNoComma-separated fields (default: id,message,from,created_time,attachments)id,message,from,created_time,attachments
conversation_idYesConversation ID
Behavior3/5

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

Annotations already provide readOnlyHint=true and openWorldHint=true, indicating a safe read operation. The description adds no behavioral details beyond that, but does not contradict annotations.

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 a single, front-loaded sentence that efficiently conveys the core purpose. It is not verbose, but could include slightly more detail without harming conciseness.

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 5 parameters and no output schema, the description should explain pagination (after/before cursors, limit) and return format. It does not, leaving the agent underinformed for proper invocation.

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% – all 5 parameters have descriptions in the input schema. The tool description adds no extra parameter context, so baseline score of 3 applies.

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 clearly states the action ('Get messages') and the specific resource ('in a specific DM conversation'). This distinguishes it from siblings like ig_get_message (single message) and ig_get_conversations (list conversations).

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. Given many sibling tools (ig_get_message, ig_get_conversations, ig_send_message), the description should mention when to pick this over them.

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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