AI agents call wake_up to retrieve information from Dbrain without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves and returns existing data (identity, user profile, behavioral rules) at the start of a conversation. It is a read/fetch operation with no apparent side effects. Severity is low as it only reads configuration/profile data, though there is slight uncertainty since the description is incomplete (cuts off mid-sentence).
From the tool's definition Returns your identity, the user profile, and behavioral rules
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
Call this ONCE at the start of every conversation. Returns your identity, the user profile, and behavioral rules. You are not ready to help until you. It is categorised as a Read tool in the Dbrain MCP Server, which means it retrieves data without modifying state.
Register the Dbrain MCP server in PolicyLayer and add a rule for wake_up: 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 Dbrain. Nothing to install.
wake_up 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 wake_up 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 wake_up. 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.
wake_up is provided by the Dbrain MCP server (ivncmp/dbrain). 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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