update_payment

Update an existing payment in Sanka.

SERVERSanka MCP Server SOURCEsankahq/sanka-mcp

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/sankahq-sanka-mcp/update-payment.md

WHAT IT DOES

What update_payment does on Sanka MCP Server

AI agents use update_payment to commit financial operations through Sanka MCP Server, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why update_payment is rated Critical

Updating a payment modifies financial transaction data, which falls squarely in the Financial category. Misuse could alter payment amounts, statuses, or recipients, with potentially critical financial consequences.

From the tool's definition "Update an existing payment in Sanka" — directly modifies financial payment records

Attacks that exploit this kind of access

RECOMMENDED RULE

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

update_payment Approval-gated

Any call to update_payment is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "update_payment": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE 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 update_payment call is checked against it from then on.

FAQ

Questions about update_payment

What does the update_payment tool do? +

Update an existing payment in Sanka. It is categorised as a Financial tool in the Sanka MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on update_payment? +

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

update_payment is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit update_payment? +

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

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

update_payment 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.

KEEP EXPLORING

More on Sanka MCP Server, and thousands of servers like it.

This server

All 349 Sanka MCP Server tools → Critical-risk tools on this server →

Across the catalogue

request_x402_payment on Pop Pay →create_payment on Shopmonkey MCP Server →invoice_issued_cash_payment on AbraFlexi → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →