cursor_set_user_spend_limit

THE RISK

Critical Risk

This tool directly controls financial parameters by setting spending limits in USD for team members. While it caps spending rather than directly moving money, it commits financial policy that governs how much money can be spent, which falls squarely in the Financial category. Misuse could remove spending limits (set to unlimited) or set inappropriate caps, affecting financial exposure.

From the tool's definition Set a spending limit in USD for a specific team member

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

HOW TO CONTROL CURSOR_SET_USER_SPEND_LIMIT

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

policy.json

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

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

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

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EXPLORE

More Sage MCP tools

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All 359 Sage MCP tools →

Financial tools on other servers

Atv build_deposit_tx Bitcoin MCP Server pay_invoice AbraFlexi bank_transaction_create Hilanet MCP decrease_coworker_salary

Go deeper

Critical-risk tools in Sage MCP → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

What does the cursor_set_user_spend_limit tool do? +

Set a spending limit in USD for a specific team member. It is categorised as a Financial tool in the Sage MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on cursor_set_user_spend_limit? +

Register the Sage MCP server in PolicyLayer and add a rule for cursor_set_user_spend_limit: 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 Sage MCP. Nothing to install.

What risk level is cursor_set_user_spend_limit? +

cursor_set_user_spend_limit 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 cursor_set_user_spend_limit? +

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

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

cursor_set_user_spend_limit is provided by the Sage MCP server (sagemcp/sagemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Sage MCP tool call.

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// WHAT CURSOR_SET_USER_SPEND_LIMIT ON SAGE MCP DOES

// THE RISK

// HOW TO CONTROL CURSOR_SET_USER_SPEND_LIMIT

// EXPLORE