list_chains
Pack: chainlist · Endpoint: https://gateway.pipeworx.io/chainlist/mcp
Browse or filter the EVM chain registry.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
testnet | boolean | no | Include testnets only (true) / mainnets only (false). Default: all. |
name | string | no | Case-insensitive substring filter on chain name |
active | boolean | no | Restrict 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
| Field | Type | Description |
|---|---|---|
count | integer | Number of chains matching the filter criteria |
chains | array | Array 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.