preview_buy_approval

Preview whether the selected Sanka Buy offers require approval before downstream Purchase Order or checkout steps.

SERVERSanka MCP Server SOURCEsankahq/sanka-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/sankahq-sanka-mcp/preview-buy-approval.md

WHAT IT DOES

What preview_buy_approval does on Sanka MCP Server

AI agents call preview_buy_approval to retrieve information from Sanka MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why preview_buy_approval is rated Low

The tool previews approval requirements without actually submitting, creating, or modifying any data. It checks conditions before downstream actions (Purchase Order or checkout), making it a read-only operation. Severity is low since it only retrieves approval status information.

From the tool's definition Preview whether the selected Sanka Buy offers require approval — 'preview' indicates a read/query operation with no side effects

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs preview_buy_approval 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 preview_buy_approval, this is the rule to start with:

preview_buy_approval Allowed

preview_buy_approval is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "preview_buy_approval": {}
  }
}

ALLOW ONLY 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 preview_buy_approval call is checked against it from then on.

FAQ

Questions about preview_buy_approval

What does the preview_buy_approval tool do? +

Preview whether the selected Sanka Buy offers require approval before downstream Purchase Order or checkout steps. It is categorised as a Read tool in the Sanka MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on preview_buy_approval? +

Register the Sanka MCP Server MCP server in PolicyLayer and add a rule for preview_buy_approval: 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 preview_buy_approval? +

preview_buy_approval is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit preview_buy_approval? +

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

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

preview_buy_approval 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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