B20 Check for Claude Code
com.b20check/b20check
Verify B20 tokens on Base: issuer powers, imposter detection, signed EIP-712 verdicts.
client:Claude Code
transport:streamable-http
runtime:npm
tools:2
Install B20 Check in Claude Code
run in your project directory
claude mcp add --transport http b20check https://b20check.com/mcpAdds it for this project only. Append --scope user to make it available everywhere. Claude Code docs