read-stream
AI agents call read-stream to retrieve information from mem0 MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name 'read-stream' strongly implies a retrieval operation over memory streams. Despite the empty description reducing confidence slightly, the semantic context of a memory management system and the naming convention align with Read category behavior. No evidence suggests data modification, deletion, or execution of arbitrary operations.
From the tool's definition Tool name 'read-stream' indicates data retrieval. Sibling tools include destructive actions (delete-stream) and write operations (append-to-stream, create-memory-stream), establishing that this server distinguishes between operations.
Attacks that exploit this kind of access
read-stream. It is categorised as a Read tool in the mem0 MCP Server MCP Server, which means it retrieves data without modifying state.
Register the mem0 MCP Server MCP server in PolicyLayer and add a rule for read-stream: 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 mem0 MCP Server. Nothing to install.
read-stream 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 read-stream 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 read-stream. 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.
read-stream is provided by the mem0 MCP Server MCP server (sadiuysal/mem0-mcp-server-ts). 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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