list_memories

列出可访问的记忆列表。按创建时间倒序排列。可按 scope 筛选。

Server Agent-Comm-Hub liuboacean/agent-comm-hub
Category Read
Risk class Low
Parameters 00 required

What list_memories does on Agent-Comm-Hub

AI agents call list_memories to retrieve information from Agent-Comm-Hub without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why list_memories needs a policy

This tool retrieves and queries memory data without modifying, deleting, or executing any operations. It is a straightforward read operation that returns information about stored memories. The scope filtering is a read-only parameter that does not alter any underlying data. No side effects, no irreversibility, and no external operations are triggered.

From the tool's definition Tool name is 'list_memories' and description indicates it 'lists accessible memories' (列出可访问的记忆列表) sorted by creation time in descending order, with optional filtering by scope. The verbs 'list' and 'filter' are query operations with no side effects.

Questions about list_memories

What does the list_memories tool do? +

列出可访问的记忆列表。按创建时间倒序排列。可按 scope 筛选。. It is categorised as a Read tool in the Agent-Comm-Hub MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_memories? +

Register the Agent-Comm-Hub MCP server in PolicyLayer and add a rule for list_memories: 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 Agent-Comm-Hub. Nothing to install.

What risk level is list_memories? +

list_memories is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_memories? +

Yes. Add a rate_limit block to the list_memories 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.

How do I block list_memories completely? +

Set action: deny in the PolicyLayer policy for list_memories. 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.

What MCP server provides list_memories? +

list_memories is provided by the Agent-Comm-Hub MCP server (liuboacean/agent-comm-hub). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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