qd_delete_filter_group

THE RISK

Critical Risk

Why qd_delete_filter_group needs a policy

This tool irreversibly deletes data and cannot be undone, making it Destructive rather than Write. While the blast radius is limited to filter groups (not financial accounts or trading operations), permanent deletion of user-created filters could impact market analysis workflows. Severity is high because accidental deletion could disrupt analysis capabilities, though the financial impact is indirect.

From the tool's definition qd_delete_filter_group performs permanent deletion of a filter group ("Delete a filter group permanently"). The word "Delete" combined with "permanently" indicates irreversible data removal.

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

POLICY

How to control qd_delete_filter_group

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

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "qd_delete_filter_group"
  ]
}

qd_delete_filter_group 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 QuantData MCP Server — 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 →

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EXPLORE

Related tools and policies

More QuantData MCP Server tools

Destructive qd_delete_page qd_delete_page Destructive qd_remove_filter_clause qd_remove_filter_clause Execute qd_run_page qd_run_page Write qd_detach_filter_group Remove a previously-attached filter group from a tool. Idempotent. Write qd_reset_to_live Remove the time scrubber from a tool — return it to live mode. Write qd_clone_public_filter_group qd_clone_public_filter_group Write qd_add_filter_clause qd_add_filter_clause Write qd_add_tool_to_page qd_add_tool_to_page

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Go deeper

Critical-risk tools in QuantData MCP Server → 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 qd_delete_filter_group

What does the qd_delete_filter_group tool do? +

Delete a filter group permanently. Detaches it from any tools that. It is categorised as a Destructive tool in the QuantData 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 qd_delete_filter_group? +

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

What risk level is qd_delete_filter_group? +

qd_delete_filter_group 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 qd_delete_filter_group? +

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

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

qd_delete_filter_group is provided by the QuantData MCP Server MCP server (zzulanas/quantdata-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every QuantData MCP Server tool call.

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

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