MCP server

SCRIPTMASTERLABS — B20 Truth Official

com.scriptmasterlabs/b20-truth

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

B20 Truth MCP: check Base B20 token claims against on-chain evidence. Paid reports via x402 USDC.

Website

At a glance

Type

MCP server

Publisher

scriptmasterlabs.com (verified by the MCP Registry)

Status

Working at last check

Tools

1

Token cost

About 157 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http b20-truth https://b20.scriptmasterlabs.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.b20-truth]
url = "https://b20.scriptmasterlabs.com/mcp"

Gemini CLI

{"mcpServers":{"b20-truth":{"httpUrl":"https://b20.scriptmasterlabs.com/mcp"}}}

Cursor

{"mcpServers":{"b20-truth":{"url":"https://b20.scriptmasterlabs.com/mcp"}}}

VS Code

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

Antigravity

agy mcp add b20-truth https://b20.scriptmasterlabs.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"b20-truth","server_url":"https://b20.scriptmasterlabs.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"b20-truth","server_url":"https://b20.scriptmasterlabs.com/mcp"}

Tools

• b20_check ~157 tokens
  Before buying, holding, or accepting a Base B20 token (address starts 0xB200 or 0xB201), check who can mint, seize, pause, or block it. Returns a verdict (LOCKED, PARTIALLY_CONTROLLED, ISSUER_CONTROLLED) from live precompile reads. Full role holders and history are available over x402.

Browse

• Crypto and blockchains

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