list_chains

Pack: chainlist · Endpoint: https://gateway.pipeworx.io/chainlist/mcp

Browse or filter the EVM chain registry.

Parameters

NameTypeRequiredDescription
testnetbooleannoInclude testnets only (true) / mainnets only (false). Default: all.
namestringnoCase-insensitive substring filter on chain name
activebooleannoRestrict to active chains (default true — excludes deprecated)

Example call

curl -X POST https://gateway.pipeworx.io/chainlist/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"list_chains","arguments":{}}}'

Response shape

Always returns: count, chains

FieldTypeDescription
countintegerNumber of chains matching the filter criteria
chainsarrayArray of summarized chain objects
Full JSON Schema
{
  "type": "object",
  "properties": {
    "count": {
      "type": "integer",
      "description": "Number of chains matching the filter criteria"
    },
    "chains": {
      "type": "array",
      "description": "Array of summarized chain objects",
      "items": {
        "type": "object",
        "properties": {
          "chainId": {
            "type": "integer",
            "description": "EVM chain ID"
          },
          "name": {
            "type": "string",
            "description": "Full chain name"
          },
          "shortName": {
            "type": "string",
            "description": "Short chain identifier (e.g. eth, matic)"
          },
          "nativeCurrency": {
            "type": "object",
            "description": "Native currency details",
            "properties": {
              "name": {
                "type": "string",
                "description": "Currency name"
              },
              "symbol": {
                "type": "string",
                "description": "Currency symbol"
              },
              "decimals": {
                "type": "integer",
                "description": "Number of decimals"
              }
            }
          },
          "rpc_count": {
            "type": "integer",
            "description": "Number of available RPC endpoints"
          },
          "explorers": {
            "type": "array",
            "description": "Block explorer URLs",
            "items": {
              "type": "string"
            }
          },
          "status": {
            "type": "string",
            "description": "Chain status (active, deprecated, incubating)"
          }
        },
        "required": [
          "chainId",
          "name",
          "shortName",
          "rpc_count",
          "explorers",
          "status"
        ]
      }
    }
  },
  "required": [
    "count",
    "chains"
  ]
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "chainlist": {
      "url": "https://gateway.pipeworx.io/chainlist/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

Regenerated from source · build May 21, 2026