Clear all cards from a list (delete them)
AI agents call planka_clear_list to permanently remove resources in Planka MCP Server for Claude — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently deletes all cards from a list without the ability to undo the operation. While the blast radius is limited to a single list's contents (not the entire system), bulk deletion of project data is a destructive action that could result in significant loss of work and information.
From the tool's definition Tool description states 'Clear all cards from a list (delete them)' — explicitly irreversible deletion of multiple data objects in bulk.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
Clear all cards from a list (delete them). It is categorised as a Destructive tool in the Planka MCP Server for Claude MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Planka MCP Server for Claude MCP server in PolicyLayer and add a rule for planka_clear_list: 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 Planka MCP Server for Claude. Nothing to install.
planka_clear_list 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 planka_clear_list 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 planka_clear_list. 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.
planka_clear_list is provided by the Planka MCP Server for Claude MCP server (nextheberg/planka-mcp-server-for-claude). 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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