Return the top-level replies for a Threads post.
AI agents call get_replies to retrieve information from Threads MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves existing reply data from a Threads post without modifying, deleting, or executing any operations. It is a straightforward read operation that returns information to the caller. The low severity reflects minimal blast radius—misuse would only expose existing public or accessible reply data.
From the tool's definition Tool name 'get_replies' and description 'Return the top-level replies for a Threads post' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Return the top-level replies for a Threads post. It is categorised as a Read tool in the Threads MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Threads MCP Server MCP server in PolicyLayer and add a rule for get_replies: 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 Threads MCP Server. Nothing to install.
get_replies 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 get_replies 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 get_replies. 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.
get_replies is provided by the Threads MCP Server MCP server (poisonstefani-dev/threads-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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