Official MCP RegistryHosted servermcp.loopxxi.com

Loop

L402-metered Bitcoin Lightning tools: five paid endpoints billed 10-25 sats per call, plus fiat credit purchasing.

Connect to Claude Code

Copy

claude mcp add --transport http loop https://mcp.loopxxi.com/mcp

Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.

Endpoints

Published in the official MCP registry as “Loop”. Verified through the vendor namespace.