Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.
AI agents use unsubscribe to create or update resources in Mcp Mydisease — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Mydisease environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
id | string | Yes | Subscription id (uuid) returned by subscribe. |
Parameters from the server's own tool schema.
The tool cancels/deactivates a subscription record but does not permanently delete it — the row is deactivated rather than deleted, making it reversible in principle. This is a Write operation (modifying a record's state). While it terminates a subscription, it is not Financial (no money movement) and not Destructive (data is preserved). Misuse could disrupt a user's subscription access, giving it a medium severity.
From the tool's definition Cancel a subscription by id... The row is deactivated (not deleted) so its historical events stay available via recent_alerts.
Attacks that exploit this kind of access
Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts. It is categorised as a Write tool in the Mcp Mydisease MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
unsubscribe accepts 1 parameter: id. Required: id. The full parameter table on this page comes from the server's own tool schema.
Register the Mcp Mydisease MCP server in PolicyLayer and add a rule for unsubscribe: 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 Mcp Mydisease. Nothing to install.
unsubscribe is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the unsubscribe 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 unsubscribe. 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.
unsubscribe is provided by the Mcp Mydisease MCP server (https://gateway.pipeworx.io/mydisease/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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