set_spending_limits

Set daily and per-transaction spending limits for a wallet.

SERVERTenzro Ledger MCP SOURCEhttps://canton-mcp.tenzro.network/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/network-tenzro-tenzro/set-spending-limits.md

WHAT IT DOES

What set_spending_limits does on Tenzro Ledger MCP

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

RISK

Why set_spending_limits is rated Critical

This tool modifies financial controls on a wallet by configuring spending limits. While it doesn't directly move money, it governs how much money can be spent per day and per transaction, making it a financial configuration tool. Misuse could raise limits to allow unauthorized large transfers, directly enabling financial loss.

From the tool's definition Set daily and per-transaction spending limits for a wallet

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_spending_limits safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Tenzro Ledger MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For set_spending_limits, this is the rule to start with:

set_spending_limits Approval-gated

Any call to set_spending_limits 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": {
    "set_spending_limits": {
      "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 Tenzro Ledger MCP, apply this rule, and every set_spending_limits call is checked against it from then on.

FAQ

Questions about set_spending_limits

What does the set_spending_limits tool do? +

Set daily and per-transaction spending limits for a wallet. It is categorised as a Financial tool in the Tenzro Ledger MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on set_spending_limits? +

Register the Tenzro Ledger MCP server in PolicyLayer and add a rule for set_spending_limits: 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 Tenzro Ledger MCP. Nothing to install.

What risk level is set_spending_limits? +

set_spending_limits 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 set_spending_limits? +

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

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

set_spending_limits is provided by the Tenzro Ledger MCP server (https://canton-mcp.tenzro.network/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Tenzro Ledger, and thousands of servers like it.

This server

All 360 Tenzro Ledger tools → Critical-risk tools on this server →

Across the catalogue

All critical-risk MCP tools → The MCP Attack Database →

Guides

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