Lumi Verdict: check an x402 seller before paying MCP Server
API key requiredOne signed label before paying an x402 seller, from Lumi's test-buys on XRPL, Base and Stellar
To add Lumi Verdict: check an x402 seller before paying to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 7 environment variables, listed below.
Install
npx -y lumi-verdict-mcp@0.1.0Environment variables
EVM_PRIVATE_KEYSet in your MCP configXRPL_SEEDSet in your MCP configLUMI_PAY_ASSETSet in your MCP configLUMI_MAX_USD_PER_CALLSet in your MCP configLUMI_MAX_XRP_PER_CALLSet in your MCP configLUMI_SESSION_BUDGETSet in your MCP configXRPL_NETWORKSet in your MCP configInstall with your client
claude mcp add lumi-verdict-check-an-x402-seller-before-paying --env EVM_PRIVATE_KEY=<YOUR_EVM_PRIVATE_KEY> --env XRPL_SEED=<YOUR_XRPL_SEED> --env LUMI_PAY_ASSET=<YOUR_LUMI_PAY_ASSET> --env LUMI_MAX_USD_PER_CALL=<YOUR_LUMI_MAX_USD_PER_CALL> --env LUMI_MAX_XRP_PER_CALL=<YOUR_LUMI_MAX_XRP_PER_CALL> --env LUMI_SESSION_BUDGET=<YOUR_LUMI_SESSION_BUDGET> --env XRPL_NETWORK=<YOUR_XRPL_NETWORK> -- npx -y lumi-verdict-mcp@0.1.0
Run this in a terminal to add the server to Claude Code.
What this does
Lumi Verdict: check an x402 seller before paying exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
EVM_PRIVATE_KEY XRPL_SEED LUMI_PAY_ASSET LUMI_MAX_USD_PER_CALL LUMI_MAX_XRP_PER_CALL LUMI_SESSION_BUDGET XRPL_NETWORK
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install Lumi Verdict: check an x402 seller before paying?
Run the Claude Code command in the install section to add Lumi Verdict: check an x402 seller before paying to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with Lumi Verdict: check an x402 seller before paying?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Lumi Verdict: check an x402 seller before paying as well.
Does Lumi Verdict: check an x402 seller before paying need an API key?
Yes. Before it can run, set these environment variables: EVM_PRIVATE_KEY, XRPL_SEED, LUMI_PAY_ASSET, LUMI_MAX_USD_PER_CALL, LUMI_MAX_XRP_PER_CALL, LUMI_SESSION_BUDGET, XRPL_NETWORK. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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[](https://clauderules.net/mcp/io-github-cypher-osiris-lumi-verdict-mcp)<a href="https://clauderules.net/mcp/io-github-cypher-osiris-lumi-verdict-mcp" target="_blank" rel="noopener noreferrer"><img src="https://clauderules.net/api/badge/io-github-cypher-osiris-lumi-verdict-mcp" alt="Listed on clauderules.net" /></a>More DevTools MCP servers
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