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cancel_journey

Cancel an active journey session. Returns a summary of what completed before cancellation.

Part of the Ai Dossier server.

cancel_journey can permanently delete data in Ai Dossier, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents may call cancel_journey to permanently remove or destroy resources in Ai Dossier. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. PolicyLayer blocks destructive tools by default and requires explicit human approval before enabling them.

Without a policy, an AI agent could call cancel_journey in a loop, permanently destroying resources in Ai Dossier. There is no undo for destructive operations. PolicyLayer blocks this tool by default and only allows it when a human explicitly approves the action.

Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "cancel_journey"
  ]
}

See the full Ai Dossier policy for all 10 tools.

Get this rule live on your own Ai Dossier server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access cancel_journey gives an agent. Each links to the full case and the policy that stops it:

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Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so cancel_journey only ever does what you allow.

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Other destructive tools across the catalogue. The same approach applies to each: deny by default, or require human approval.

What does the cancel_journey tool do? +

Cancel an active journey session. Returns a summary of what completed before cancellation.. It is categorised as a Destructive tool in the Ai Dossier 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 cancel_journey? +

Register the Ai Dossier MCP server in PolicyLayer and add a rule for cancel_journey: 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 Ai Dossier. Nothing to install.

What risk level is cancel_journey? +

cancel_journey 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 cancel_journey? +

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

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

cancel_journey is provided by the Ai Dossier MCP server (@ai-dossier/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Ai Dossier tool call.

Deterministic rules across all 10 Ai Dossier tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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4,600+ MCP servers and 31,000+ tools scanned and risk-classified.

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