fund_agent

Transfer sats from operator balance to an agent.

SERVERLightning Wallet SOURCElightning-wallet-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/io-github-lightningfaucet-lightning-wallet-mcp/fund-agent.md

WHAT IT DOES

What fund_agent does on Lightning Wallet

AI agents use fund_agent to commit financial operations through Lightning Wallet, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why fund_agent is rated Critical

This tool moves Bitcoin (satoshis) from one balance to another, constituting a financial transfer of real monetary value. Misuse by an AI agent could result in unauthorized fund transfers, making it Financial category with critical severity due to the potential for significant financial loss at scale.

From the tool's definition Transfer sats from operator balance to an agent

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs fund_agent safely

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

fund_agent Approval-gated

Any call to fund_agent 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": {
    "fund_agent": {
      "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 Lightning Wallet, apply this rule, and every fund_agent call is checked against it from then on.

FAQ

Questions about fund_agent

What does the fund_agent tool do? +

Transfer sats from operator balance to an agent. It is categorised as a Financial tool in the Lightning Wallet MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on fund_agent? +

Register the Lightning Wallet MCP server in PolicyLayer and add a rule for fund_agent: 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 Lightning Wallet. Nothing to install.

What risk level is fund_agent? +

fund_agent 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 fund_agent? +

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

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

fund_agent is provided by the Lightning Wallet MCP server (lightning-wallet-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Lightning Wallet, and thousands of servers like it.

This server

All 45 Lightning Wallet tools → Critical-risk tools on this server →

Across the catalogue

create_agent on Conviction → All critical-risk MCP tools → The MCP Attack Database →

Guides

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