Delete a plan and all its tasks from the database.
AI agents call delete_plan to permanently remove resources in Planer MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool irreversibly deletes data from the database, matching the Destructive category definition. The blast radius is high because an AI agent could accidentally or maliciously delete entire project plans and their associated tasks, causing loss of planning work and progress tracking.
From the tool's definition Tool name 'delete_plan' and description 'Delete a plan and all its tasks from the database' explicitly indicate irreversible deletion of data. The operation removes both a plan and all associated tasks from persistent SQLite storage.
Attacks that exploit this kind of access
Delete a plan and all its tasks from the database. It is categorised as a Destructive tool in the Planer MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Planer MCP Server MCP server in PolicyLayer and add a rule for delete_plan: 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 Planer MCP Server. Nothing to install.
delete_plan 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 delete_plan 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 delete_plan. 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.
delete_plan is provided by the Planer MCP Server MCP server (niradler/mcp-planer). 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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