Install LION - keyless x402 data + RPC for agents in Claude Code
What you need first
- Claude Code, installed.
- Nothing else: the server runs on its publisher's machines and Claude Code connects to it.
Steps
- Run this in a terminal, in the project folder. It adds the server for you in that
project; put
--scope userafterclaude mcp addto have it in every project.
claude mcp add --transport http lion-x402 https://lion-x402.lionmaster-operations.workers.dev/api/mcp- Start Claude Code and type
/mcp: the server is listed with its state.
Check it worked
Ask Claude Code: List the tools of lion-x402.
If it does not start
- 401 Unauthorized
- The endpoint wants a sign-in or a key. Sign in when Claude Code asks.