获取联系人列表
AI agents call list_contacts to retrieve information from Chatlog MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and lists contact data without any side effects. It is a simple query operation that returns existing information from the chat log system. No data is created, modified, deleted, or executed. The blast radius of misuse is limited to unauthorized information disclosure of contact lists.
From the tool's definition Tool name 'list_contacts' and description '获取联系人列表' (get contacts list) indicates retrieval of contact information with no modification or execution of external operations.
Attacks that exploit this kind of access
获取联系人列表. It is categorised as a Read tool in the Chatlog MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Chatlog MCP Server MCP server in PolicyLayer and add a rule for list_contacts: 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 Chatlog MCP Server. Nothing to install.
list_contacts 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_contacts 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_contacts. 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_contacts is provided by the Chatlog MCP Server MCP server (yhai3596/mcp-chatlog). 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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