open_payment_channel

Open an off-chain micropayment channel with an initial deposit.

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/open-payment-channel.md

WHAT IT DOES

What open_payment_channel does on Tenzro Ledger MCP

AI agents use open_payment_channel 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 open_payment_channel is rated Critical

This tool initiates a financial operation by opening a payment channel and committing an initial deposit of funds. It directly moves or locks financial assets, making it a Financial category tool. The blast radius is critical because misuse could result in loss of funds or unauthorized financial commitments.

From the tool's definition "Open an off-chain micropayment channel with an initial deposit"

Attacks that exploit this kind of access

RECOMMENDED RULE

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

open_payment_channel Approval-gated

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

FAQ

Questions about open_payment_channel

What does the open_payment_channel tool do? +

Open an off-chain micropayment channel with an initial deposit. 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 open_payment_channel? +

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

open_payment_channel 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 open_payment_channel? +

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

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

open_payment_channel 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

request_x402_payment on Pop Pay →create_payment on Shopmonkey MCP Server →invoice_issued_cash_payment on AbraFlexi → All critical-risk MCP tools → The MCP Attack Database →

Guides

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