sponsor_bridge_fee

A financial tool on the Tenzro Ledger MCP server.

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/sponsor-bridge-fee.md

WHAT IT DOES

What sponsor_bridge_fee does on Tenzro Ledger MCP

AI agents use sponsor_bridge_fee 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 sponsor_bridge_fee is rated Critical

The name strongly suggests a financial operation: 'sponsor' implies paying on behalf of someone, and 'bridge_fee' refers to fees for cross-chain bridge transactions. Given the server's explicit mention of payments and bridges, this is most likely a Financial action. Confidence is moderate because the description is empty, leaving some ambiguity about exact behavior.

From the tool's definition Tool name 'sponsor_bridge_fee' combined with server context mentioning 'payments, bridges' — sponsoring a bridge fee implies committing financial resources to cover cross-chain transaction costs.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs sponsor_bridge_fee 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 sponsor_bridge_fee, this is the rule to start with:

sponsor_bridge_fee Approval-gated

Any call to sponsor_bridge_fee 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": {
    "sponsor_bridge_fee": {
      "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 sponsor_bridge_fee call is checked against it from then on.

FAQ

Questions about sponsor_bridge_fee

What does the sponsor_bridge_fee tool do? +

sponsor_bridge_fee is a financial tool on the Tenzro Ledger MCP server. 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 sponsor_bridge_fee? +

Register the Tenzro Ledger MCP server in PolicyLayer and add a rule for sponsor_bridge_fee: 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 sponsor_bridge_fee? +

sponsor_bridge_fee 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 sponsor_bridge_fee? +

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

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

sponsor_bridge_fee 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

bridge_transfer on 0xaibridge → All critical-risk MCP tools → The MCP Attack Database →

Guides

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