Base Transaction Decoder

Connect Remote server

claude mcp add --transport http base-transaction-decoder https://api.0200project.com/mcp?ref=mcp-registry

{
  "mcpServers": {
    "base-transaction-decoder": {
      "url": "https://api.0200project.com/mcp?ref=mcp-registry"
    }
  }
}

{
  "servers": {
    "base-transaction-decoder": {
      "type": "http",
      "url": "https://api.0200project.com/mcp?ref=mcp-registry"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://api.0200project.com/mcp?ref=mcp-registry

Tools 2 found in our last check

• explain_transaction

  Explain a transaction in plain English. Input: a transaction hash, and optionally chain: base (default) with labels and risk checks; ethereum and arbitrum as asset movements only. Returns strict JSON: summary (1-3 sentences), action_type (swap, erc20_transfer, nft_mint, bridge_o…

• buy_pass

  Buy a 30-day pass for $9 in USDC on Base via x402: up to 10,000 explain_transaction calls with no per-call payment. Returns a bearer pass token; attach it at _meta["btx/pass"] on MCP calls or as the X-BTX-Pass header on POST /explain. No account; the token is the only proof of p…

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