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8 clients · secrets stay placeholders

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

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

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

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "b20-truth": {
      "type": "remote",
      "url": "https://b20.scriptmasterlabs.com/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "b20-truth": {
      "type": "http",
      "url": "https://b20.scriptmasterlabs.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=b20-truth&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYjIwLnNjcmlwdG1hc3RlcmxhYnMuY29tL21jcCJ9"
}

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

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

extensions:
  "b20-truth":
    enabled: true
    name: "b20-truth"
    type: streamable_http
    uri: "https://b20.scriptmasterlabs.com/mcp"
    timeout: 300

Quality 91 / 100strong

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations1 of 1 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 148 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability100 · weight 15

pass
stability.changes1 tool changes in 30 days
pass
stability.rug_pullno tool changed its meaning under the same name

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

1 tools, about 148 tokens to load them all · tool set 3373cb5c17ee · tools last changed 2026-10-28 · checked 2026-11-07 18:35 UTC

Tool changes

2026-10-28b20_checkchangedannotations

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 83 / 100

no-repository

provenance55

liveness100

freshness100

hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-3d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://b20.scriptmasterlabs.com/mcp` streamable-http	none	yes	100%	389 ms	2025-11-25	2026-11-07

Tools (1)

b20_checkread-only 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.

Schemas: list_tools.

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And 21 more from this publisher.

Official server.json

{
  "name": "com.scriptmasterlabs/b20-truth",
  "_meta": {
    "io.modelcontextprotocol.registry/publisher-provided": {
      "tools": [
        "b20_check"
      ],
      "entity": "https://scriptmasterlabs.com/.well-known/entity.json",
      "payment": {
        "asset": "USDC",
        "pay_to": "0x5BBd32e0478e49A7540EF2D760E0B0F9AA6328b2",
        "network": "eip155:8453",
        "standard": "x402-v2",
        "network_name": "Base mainnet"
      },
      "provider": "SCRIPTMASTERLABS",
      "transport": "streamable-http",
      "legal_name": "Script Master Labs LLC",
      "tool_prices": {
        "b20_check": "Free"
      },
      "tool_inventory": "static; verified live via tools/list 2026-11-04: 1 tools (1 free, 0 paid); prices in tool_prices; full verbatim descriptions + input schemas in the Muse listing pack's TOOLS.json (registry _meta is capped at 4KB)"
    }
  },
  "title": "SCRIPTMASTERLABS — B20 Truth",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://b20.scriptmasterlabs.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.4",
  "websiteUrl": "https://scriptmasterlabs.com",
  "description": "Check Base B20 token claims against on-chain evidence. Settle-proven 2026-11-02 (SELF-PROOF)."
}