delete-document

THE RISK

Critical Risk

Why delete-document needs a policy

This tool irreversibly removes data from the Morphik database system. Deletion of documents and derived data cannot be reversed, making it a destructive operation with significant blast radius if invoked incorrectly by an AI agent. While not as severe as financial impact, the irreversible nature and potential to remove multiple data artifacts (derived data) justifies 'high' severity in a document management context.

From the tool's definition Tool name is 'delete-document' and description states 'Delete a document and all of its derived data.' The verb 'delete' combined with 'all of its derived data' indicates irreversible removal of data that cannot be undone.

Documented attack patterns abuse exactly the kind of access delete-document gives an agent:

POLICY

How to control delete-document

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

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "delete-document"
  ]
}

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

Create a free account and register Morphik MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RESTRICT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

Critical-risk tools in Morphik MCP → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about delete-document

What does the delete-document tool do? +

Delete a document and all of its derived data. It is categorised as a Destructive tool in the Morphik MCP 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-document? +

Register the Morphik MCP server in PolicyLayer and add a rule for delete-document: 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 Morphik MCP. Nothing to install.

What risk level is delete-document? +

delete-document 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-document? +

Yes. Add a rate_limit block to the delete-document 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-document completely? +

Set action: deny in the PolicyLayer policy for delete-document. 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-document? +

delete-document is provided by the Morphik MCP server (morphik-org/morphik-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Morphik MCP tool call.

Start from Morphik MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →