gnfd_delete_bucket

THE RISK

Critical Risk

Why gnfd_delete_bucket needs a policy

Deleting a bucket destroys all contained data and cannot be undone. In a DeFi/crypto ecosystem context, a bucket likely stores critical user data, transaction records, or smart contract state. Misuse by an AI agent could result in permanent loss of user funds, transaction history, or protocol state. This is classified as Destructive (most severe) rather than Write, as deletion is irreversible.

From the tool's definition Tool name explicitly states 'delete_bucket' - the 'delete' verb combined with 'bucket' (a storage container for data/assets) indicates irreversible deletion of data.

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

POLICY

How to control gnfd_delete_bucket

PolicyLayer is an MCP gateway — it sits between your AI agents and Sperax Ecosystem Crypto & DeFI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for gnfd_delete_bucket:

policy.json

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

gnfd_delete_bucket 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 Sperax Ecosystem Crypto & DeFI 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

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Go deeper

Critical-risk tools in Sperax Ecosystem Crypto & DeFI 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 gnfd_delete_bucket

What does the gnfd_delete_bucket tool do? +

Delete a bucket. It is categorised as a Destructive tool in the Sperax Ecosystem Crypto & DeFI 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 gnfd_delete_bucket? +

Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for gnfd_delete_bucket: 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 Sperax Ecosystem Crypto & DeFI MCP Server. Nothing to install.

What risk level is gnfd_delete_bucket? +

gnfd_delete_bucket 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 gnfd_delete_bucket? +

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

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

gnfd_delete_bucket is provided by the Sperax Ecosystem Crypto & DeFI MCP Server MCP server (sperax/sperax-crypto-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Sperax Ecosystem Crypto & DeFI MCP Server tool call.

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

CHECK YOUR STACK →