Search memos by content.
AI agents call search_memos to retrieve information from Memos MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only search operation on memos. It retrieves matching records without creating, modifying, deleting, or executing any external actions. The blast radius of misuse is minimal—an agent could search sensitive memos but cannot alter, destroy, or exfiltrate data beyond what the search returns. Classification as Read is appropriate.
From the tool's definition Tool name 'search_memos' and description 'Search memos by content' indicate a query operation with no data modification or external execution. The function retrieves and filters existing memo data based on search criteria.
Attacks that exploit this kind of access
Search memos by content. It is categorised as a Read tool in the Memos MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Memos MCP Server MCP server in PolicyLayer and add a rule for search_memos: 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 Memos MCP Server. Nothing to install.
search_memos 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 search_memos 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 search_memos. 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.
search_memos is provided by the Memos MCP Server MCP server (shaorou459/memos-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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