revoke_session

Revoke an active session key.

SERVERTenzro Ledger MCP SOURCEhttps://canton-mcp.tenzro.network/mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/network-tenzro-tenzro/revoke-session.md

WHAT IT DOES

What revoke_session does on Tenzro Ledger MCP

AI agents call revoke_session 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.

RISK

Why revoke_session is rated Critical

Revoking a session key is an irreversible action that permanently invalidates an active authentication session. This cannot be undone — the session is gone — making it Destructive. Misuse by an AI agent could lock out legitimate users or disrupt ongoing operations, warranting high severity.

From the tool's definition Revoke an active session key

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs revoke_session safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Tenzro Ledger MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For revoke_session, this is the rule to start with:

revoke_session Hidden

revoke_session is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "revoke_session"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Tenzro Ledger MCP, apply this rule, and every revoke_session call is checked against it from then on.

FAQ

Questions about revoke_session

What does the revoke_session tool do? +

Revoke an active session key. 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.

How do I enforce a policy on revoke_session? +

Register the Tenzro Ledger MCP server in PolicyLayer and add a rule for revoke_session: 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.

What risk level is revoke_session? +

revoke_session is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit revoke_session? +

Yes. Add a rate_limit block to the revoke_session 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 revoke_session completely? +

Set action: deny in the PolicyLayer policy for revoke_session. 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 revoke_session? +

revoke_session 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.

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