Revoke offline access to Nextcloud resources.
AI agents call revoke_nextcloud_access to permanently remove resources in Nextcloud MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Revoking access is an irreversible action that removes permissions or authentication tokens, preventing future operations. While not deleting data directly, it destroys the ability to authenticate and access Nextcloud resources, making it a destructive operation.
From the tool's definition Tool name 'revoke_nextcloud_access' combined with description 'Revoke offline access to Nextcloud resources' indicates permanent removal of authenticated access credentials or tokens.
Attacks that exploit this kind of access
Revoke offline access to Nextcloud resources. It is categorised as a Destructive tool in the Nextcloud MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Nextcloud MCP Server MCP server in PolicyLayer and add a rule for revoke_nextcloud_access: 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 Nextcloud MCP Server. Nothing to install.
revoke_nextcloud_access 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 revoke_nextcloud_access 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 revoke_nextcloud_access. 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.
revoke_nextcloud_access is provided by the Nextcloud MCP Server MCP server (no-smoke/nextcloud-mcp-comprehensive). 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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