manage-scheduled-transaction

THE RISK

Medium Risk

Why manage-scheduled-transaction needs a policy

Although the tool can delete scheduled transactions (which is destructive), the primary use case emphasizes creation and updating of recurring transactions. The tool is classified as Write rather than Destructive because: (1) the emphasis in the description is on management/creation/updating, (2) deletions of scheduled transactions could theoretically be recreated if needed, and (3) it does not directly move money…

From the tool's definition Tool description states it can 'Create, update, or delete a single scheduled (recurring) transaction.' The delete operation is destructive in nature, but the tool's primary design intent (as evidenced by emphasis on 'manage recurring bills or savings…

Documented attack patterns abuse exactly the kind of access manage-scheduled-transaction gives an agent:

POLICY

How to control manage-scheduled-transaction

PolicyLayer is an MCP gateway — it sits between your AI agents and You Need A Budget (YNAB) MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for manage-scheduled-transaction:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "manage-scheduled-transaction": {
      "limits": [
        {
          "counter": "manage-scheduled-transaction_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

manage-scheduled-transaction 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 You Need A Budget (YNAB) MCP — 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 You Need A Budget (YNAB) MCP tools

Destructive bulk-manage-transactions Create, update, or delete multiple transactions at once. More efficient than making single Write manage-budgeted-amount Assign a budgeted amount to a category or move money between categories for a specific mon Write manage-financial-overview Get, update, or refresh a high-level financial overview. This is the best starting point f Write manage-payees Merge multiple payee names into a single name. Use this to clean up payee data, for exampl Read get-month-info Get detailed budget information for a single month, including age of money and total amoun Read list-accounts List all accounts for a given budget. Useful for getting account IDs for other tools. Read list-budgets List all available YNAB budgets Read list-categories List all categories, groups, and their budgeting details for a given budget.

All 14 You Need A Budget (YNAB) MCP tools →

Write tools on other servers

M-Team MCP Server download_torrent YouTube MCP Server generate_video_title Android Forensics ADB MCP Server combine_reports 0xarchive web3_signup

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 manage-scheduled-transaction

What does the manage-scheduled-transaction tool do? +

Create, update, or delete a single scheduled (recurring) transaction. Use this to manage recurring bills or savings transfers. It is categorised as a Write tool in the You Need A Budget (YNAB) MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on manage-scheduled-transaction? +

Register the You Need A Budget (YNAB) MCP server in PolicyLayer and add a rule for manage-scheduled-transaction: 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 You Need A Budget (YNAB) MCP. Nothing to install.

What risk level is manage-scheduled-transaction? +

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

Can I rate-limit manage-scheduled-transaction? +

Yes. Add a rate_limit block to the manage-scheduled-transaction 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 manage-scheduled-transaction completely? +

Set action: deny in the PolicyLayer policy for manage-scheduled-transaction. 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 manage-scheduled-transaction? +

manage-scheduled-transaction is provided by the You Need A Budget (YNAB) MCP server (jtewen/ynab-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every You Need A Budget (YNAB) MCP tool call.

Start from You Need A Budget (YNAB) MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →