com.b20check/b20check

down checked 2026-11-10T17:37:44.295Z

Unclaimed · Unverified

Publisher-provided title

B20 Check

Publisher-provided description

Verify B20 tokens on Base: issuer powers, imposter detection, signed EIP-712 verdicts.

Summary by lookupd

Verifies whether a Base token address is a legitimate B20 token, reports issuer powers, and returns signed verdicts plus usage stats.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http b20check https://b20check.com/mcp

Claude Code, npm package (stdio)

claude mcp add b20check -- npx -y b20check-mcp

Codex, remote (streamable-http)

codex mcp add b20check --url https://b20check.com/mcp

Codex, npm package (stdio)

codex mcp add b20check -- npx -y b20check-mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "b20check": {
      "url": "https://b20check.com/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "b20check": {
      "command": "npx",
      "args": [
        "-y",
        "b20check-mcp"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

verify_b20_token Check whether a token address on Base is a legitimate B20 token and what powers its issuer holds. Call this BEFORE helping the user buy, swap, approve, or move
b20_stats Report B20 Check's own live usage: how many B20 tokens are indexed and how many paid calls and unique payers it has served in the last 30 days (from the public

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/com.b20check/b20check.svg)](https://lookupd.com/servers/com.b20check/b20check)