cancel_buy_request

Cancel a Sanka Buy request before downstream purchasing is complete.

SERVERSanka MCP Server SOURCEsankahq/sanka-mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/sankahq-sanka-mcp/cancel-buy-request.md

WHAT IT DOES

What cancel_buy_request does on Sanka MCP Server

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

RISK

Why cancel_buy_request is rated Critical

While not strictly a deletion of data, canceling a buy request irreversibly terminates a financial transaction in progress. This prevents downstream purchasing from completing, which has material business consequences and cannot be easily undone. The action is more severe than a simple Write operation (which is reversible) and constitutes a Destructive action in the context of business workflows.

From the tool's definition The tool description explicitly states 'Cancel a Sanka Buy request' which terminates an existing purchasing transaction.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs cancel_buy_request safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Sanka MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For cancel_buy_request, this is the rule to start with:

cancel_buy_request Hidden

cancel_buy_request is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

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

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Sanka MCP Server, apply this rule, and every cancel_buy_request call is checked against it from then on.

FAQ

Questions about cancel_buy_request

What does the cancel_buy_request tool do? +

Cancel a Sanka Buy request before downstream purchasing is complete. It is categorised as a Destructive tool in the Sanka 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 cancel_buy_request? +

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

What risk level is cancel_buy_request? +

cancel_buy_request 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 cancel_buy_request? +

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

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

cancel_buy_request is provided by the Sanka MCP Server MCP server (sankahq/sanka-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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