Deregister (suspend) an agent from the active network registry.
AI agents call deregister_agent to permanently remove resources in Tenzro Ledger MCP — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Deregistering an agent removes it from the active network registry, which is an irreversible or hard-to-reverse action that suspends the agent's ability to operate on the network. This falls under Destructive as it permanently removes/suspends a registered entity. The blast radius is high since misuse could disrupt agent operations across the network.
From the tool's definition Deregister (suspend) an agent from the active network registry
Attacks that exploit this kind of access
Deregister (suspend) an agent from the active network registry. It is categorised as a Destructive tool in the Tenzro Ledger MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Tenzro Ledger MCP server in PolicyLayer and add a rule for deregister_agent: 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 Tenzro Ledger MCP. Nothing to install.
deregister_agent is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the deregister_agent 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 deregister_agent. 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.
deregister_agent is provided by the Tenzro Ledger MCP server (https://canton-mcp.tenzro.network/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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