switch-chain

Change the active blockchain network in MetaMask by specifying the desired chain ID or adding new chains with required parameters for Ethereum wallet integration.

Instructions

Switch the target chain.

Input Schema

Name	Required	Description	Default
`addEthereumChainParameter`	No	Add not configured chains to Ethereum wallets.
`chainId`	Yes	ID of chain to switch to.

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "addEthereumChainParameter": {
      "additionalProperties": false,
      "description": "Add not configured chains to Ethereum wallets.",
      "properties": {
        "blockExplorerUrls": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "chainName": {
          "type": "string"
        },
        "iconUrls": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "nativeCurrency": {
          "additionalProperties": false,
          "properties": {
            "decimals": {
              "type": "number"
            },
            "name": {
              "type": "string"
            },
            "symbol": {
              "type": "string"
            }
          },
          "required": [
            "name",
            "symbol",
            "decimals"
          ],
          "type": "object"
        },
        "rpcUrls": {
          "items": {
            "type": "string"
          },
          "minItems": 1,
          "type": "array"
        }
      },
      "required": [
        "chainName",
        "nativeCurrency",
        "rpcUrls"
      ],
      "type": "object"
    },
    "chainId": {
      "description": "ID of chain to switch to.",
      "type": "number"
    }
  },
  "required": [
    "chainId"
  ],
  "type": "object"
}

MetaMask MCP

switch-chain

Instructions

Input Schema

Input Schema (JSON Schema)

Other Tools from MetaMask MCP

Related Tools

MCP directory API