INDIVIDUAL MCP TOOL

verify_b20_token

Check whether a token address on Base is a legitimate B20 token and what powers its issuer holds.

b20check.comnone authenticationAvailability not checked

LIVE ENDPOINT

https://b20check.com/mcp

No auth detected

Connect to this endpoint to inspect the live schema for verify_b20_token and invoke it with your own arguments.

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Inferred read-only · medium confidence · heuristic, not a guarantee.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.b20-check]
url = "https://b20check.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "b20-check": {
      "type": "http",
      "url": "https://b20check.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: b20-check
Remote MCP URL: https://b20check.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "b20-check": {
      "url": "https://b20check.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "b20-check": {
      "type": "http",
      "url": "https://b20check.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "b20-check",
  "transport": "streamable-http",
  "url": "https://b20check.com/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

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 Coinbase discovery API).