update_disbursement · Sanka MCP Server MCP: Risk & Policy

WHAT IT DOES

What update_disbursement does on Sanka MCP Server

AI agents use update_disbursement to create or update resources in Sanka MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Sanka MCP Server environment.

WHY IT NEEDS A POLICY

Why update_disbursement needs a policy

This tool modifies disbursement records, which are financial transactions. While categorized as Write (reversible modification) rather than Financial (which implies moving money), updating disbursement details could alter payment amounts, recipients, or timing. The high severity reflects that misuse could cause significant financial impact.

From the tool's definition Tool name 'update_disbursement' and description 'Update an existing disbursement in Sanka' indicate modification of financial disbursement records. The verb 'update' is reversible (Write category), but the financial context elevates severity.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_disbursement Rate-limited

update_disbursement stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "update_disbursement": {
      "limits": [
        {
          "counter": "update_disbursement_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Sanka MCP Server, so you can run agents against it safely.

FAQ

Questions about update_disbursement

What does the update_disbursement tool do? +

Update an existing disbursement in Sanka. It is categorised as a Write tool in the Sanka MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_disbursement? +

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

update_disbursement is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit update_disbursement? +

Yes. Add a rate_limit block to the update_disbursement 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_disbursement completely? +

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

update_disbursement 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.