List all messages containing media in an Instagram direct message thread. Args: thread_id: The ID of the thread to check for media messages limit: Maximum number of messages to check (default 100, max 200) Returns: A dictionary containing success status and list of all media messages found
AI agents call list_media_messages to retrieve information from Instagram DM MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only performs a read operation to retrieve and enumerate existing data (media messages) from a thread. It has no side effects, does not modify data, does not execute commands, and does not involve financial transactions. The parameters (thread_id, limit) are for filtering the read operation only.
From the tool's definition The tool 'list_media_messages' retrieves/queries media messages from an Instagram DM thread. The description states it 'List all messages containing media' and returns 'list of all media messages found' with no mention of modification, deletion, or execution…
Risk signalsBulk/mass operation — affects multiple targets
Documented attack patterns abuse exactly the kind of access list_media_messages gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Instagram DM MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_media_messages:
{
"version": "1",
"default": "deny",
"tools": {
"list_media_messages": {}
}
}list_media_messages is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all messages containing media in an Instagram direct message thread. Args: thread_id: The ID of the thread to check for media messages limit: Maximum number of messages to check (default 100, max 200) Returns: A dictionary containing success status and list of all media messages found. It is categorised as a Read tool in the Instagram DM MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Instagram DM MCP Server MCP server in PolicyLayer and add a rule for list_media_messages: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Instagram DM MCP Server. Nothing to install.
list_media_messages is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_media_messages rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for list_media_messages. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
list_media_messages is provided by the Instagram DM MCP Server MCP server (trypeggy/instagram_dm_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 25 Instagram DM MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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25 Instagram DM MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.