update_report_definition

THE RISK

Medium Risk

Why update_report_definition needs a policy

This tool creates or modifies data (report definitions) in a reversible manner. It does not delete data, execute code, or commit financial transactions. While it operates within a financial institution context (Mifos X core banking), the tool itself only modifies report metadata/configuration, not financial records or funds.

From the tool's definition Tool name 'update_report_definition' and description 'Update an existing report definition. Only provided fields are changed.' indicate modification of existing data.

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

POLICY

How to control update_report_definition

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Mifosx, and nothing reaches the server without passing your rules. This is the rule we recommend for update_report_definition:

policy.json

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

update_report_definition 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.

Create a free account and register Mcp Mifosx — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

More Mcp Mifosx tools

Financial create_new_charge Create a new charge definition. Financial deposit Deposit money into a savings account. Validates accountId exists before executing. Financial withdraw Withdraw money from a savings account. Validates accountId and balance before executing. Financial make_repayment Make a repayment on an active loan. Validates loanId and status before executing. Financial record_journal_entry Record a manual journal entry. Date format: 'dd MMMM yyyy' e.g. '10 March 2026' Financial undo_disbursal Undo a loan disbursal to reverse funds and return the loan to approved status. Financial waive_loan_interest Waive interest on a loan. Validates loanId exists before executing. Financial apply_client_fee Apply a one-time fee/charge to a client profile

All 73 Mcp Mifosx tools →

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about update_report_definition

What does the update_report_definition tool do? +

Update an existing report definition. Only provided fields are changed. It is categorised as a Write tool in the Mcp Mifosx 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_report_definition? +

Register the Mcp Mifosx MCP server in PolicyLayer and add a rule for update_report_definition: 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 Mcp Mifosx. Nothing to install.

What risk level is update_report_definition? +

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

Can I rate-limit update_report_definition? +

Yes. Add a rate_limit block to the update_report_definition 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_report_definition completely? +

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

update_report_definition is provided by the Mcp Mifosx MCP server (openmf/mcp-mifosx). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Mifosx tool call.

Start from Mcp Mifosx, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →