Critical Risk →

delete_epic

Delete an epic (tasks will become unassigned)

How to control delete_epic ↓

AI agents call delete_epic to permanently remove resources in Flux MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

Critical Risk

The tool permanently removes an epic from the Kanban board system. While the tasks themselves are not deleted (they become unassigned), the epic record is irreversibly destroyed. This fits the Destructive category as it cannot be undone and represents a significant loss of organizational structure.

From the tool's definition Tool name contains 'delete' and description explicitly states 'Delete an epic'. Deletion is irreversible; tasks become unassigned as a side effect.

Documented attack patterns abuse exactly the kind of access delete_epic gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and Flux MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for delete_epic:

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

delete_epic disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

  1. Create a free account and register Flux MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
RESTRICT THIS TOOL →

Free to start. No card required.

Go deeper

What does the delete_epic tool do? +

Delete an epic (tasks will become unassigned). It is categorised as a Destructive tool in the Flux MCP Server 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 delete_epic? +

Register the Flux MCP Server MCP server in PolicyLayer and add a rule for delete_epic: 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 Flux MCP Server. Nothing to install.

What risk level is delete_epic? +

delete_epic 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 delete_epic? +

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

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

delete_epic is provided by the Flux MCP Server MCP server (sirsjg/flux). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Flux MCP Server tool call.

Deterministic rules across all 25 Flux MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

25 Flux MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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