Pays an email-like Lightning address, either based on BIP-353 or LNURL
AI agents use pay-lightning-address to commit financial operations through Phoenixd MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool initiates payment transactions on the Bitcoin Lightning Network. Misuse by an AI agent could result in unauthorized financial transfers, loss of funds, or fulfillment of fraudulent payment requests. This is the most severe category due to direct financial impact and irreversibility of blockchain transactions.
From the tool's definition Tool description states 'Pays an email-like Lightning address', indicating it moves funds. Server description confirms this is a 'Bitcoin Lightning wallet' where the tool can 'pay invoices'. The verb 'Pays' directly indicates monetary transfer.
Attacks that exploit this kind of access
Pays an email-like Lightning address, either based on BIP-353 or LNURL. It is categorised as a Financial tool in the Phoenixd MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Phoenixd MCP Server MCP server in PolicyLayer and add a rule for pay-lightning-address: 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 Phoenixd MCP Server. Nothing to install.
pay-lightning-address is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the pay-lightning-address 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.
Set action: deny in the PolicyLayer policy for pay-lightning-address. 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.
pay-lightning-address is provided by the Phoenixd MCP Server MCP server (sharmaz/phoenixd-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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