Arbitrum MCP Server

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arb_get_raw_block_metadata

Retrieve raw block metadata for specified block ranges on Arbitrum chains using admin API, enabling detailed chain monitoring and analysis.

Instructions

Retrieve raw block metadata for specified block ranges (requires admin API)

Input Schema

Name	Required	Description
`chainName`	No	Chain name (e.g., 'Xai', 'Arbitrum One') - will auto-resolve to RPC URL
`fromBlock`	Yes	Starting block number
`rpcUrl`	No	The RPC URL of the Arbitrum node (optional if default is set)
`toBlock`	No	Ending block number (defaults to fromBlock if not provided)

Input Schema (JSON Schema)

{
  "properties": {
    "chainName": {
      "description": "Chain name (e.g., 'Xai', 'Arbitrum One') - will auto-resolve to RPC URL",
      "type": "string"
    },
    "fromBlock": {
      "description": "Starting block number",
      "type": "number"
    },
    "rpcUrl": {
      "description": "The RPC URL of the Arbitrum node (optional if default is set)",
      "type": "string"
    },
    "toBlock": {
      "description": "Ending block number (defaults to fromBlock if not provided)",
      "type": "number"
    }
  },
  "required": [
    "fromBlock"
  ],
  "type": "object"
}

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