list_my_chat_messages
AI agents call list_my_chat_messages to retrieve information from Thenvoi MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Despite the empty description lowering confidence, the tool name strongly suggests a retrieval operation that queries message data. No evidence suggests message creation, deletion, execution, or financial operations. The blast radius of misuse (listing messages) is limited to potential unauthorized information disclosure within existing chat history, classified as low severity.
From the tool's definition Tool name 'list_my_chat_messages' indicates it retrieves/lists existing chat messages without modification. The 'list' operation pattern is typical of Read operations.
Attacks that exploit this kind of access
list_my_chat_messages. It is categorised as a Read tool in the Thenvoi MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Thenvoi MCP Server MCP server in PolicyLayer and add a rule for list_my_chat_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 Thenvoi MCP Server. Nothing to install.
list_my_chat_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_my_chat_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_my_chat_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_my_chat_messages is provided by the Thenvoi MCP Server MCP server (thenvoi/thenvoi-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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