eth_call

Pack: alchemy-eth · Connect: https://pipeworx.io/mcp (see Connect below for a single-pack URL)

No MCP client? Call it directly: GET https://gateway.pipeworx.io/v1/tools/eth_call for the schema, then POST the same URL with its arguments for the data.

Execute any Ethereum JSON-RPC method (e.g. eth_blockNumber, eth_getBalance, eth_getTransactionByHash) on the specified chain (default: eth-mainnet) via Alchemy; pass method name and params array.

Parameters

NameTypeRequiredDescription
methodstringyes
paramsunknownno
chainstringno

Example call

Arguments

{
  "method": "eth_blockNumber"
}

curl

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

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('eth_call', {
  "method": "eth_blockNumber"
});

More examples

{
  "method": "eth_getBalance",
  "params": [
    "0x1234567890123456789012345678901234567890",
    "latest"
  ]
}

Response shape

Full JSON Schema
{
  "type": "object",
  "description": "Result from generic JSON-RPC call"
}

Connect

Add this to your MCP client config — every tool in the catalog, including this one — or use one-click install buttons:

{
  "mcpServers": {
    "pipeworx": {
      "url": "https://pipeworx.io/mcp"
    }
  }
}
Connect to just the alchemy-eth pack
{
  "mcpServers": {
    "alchemy-eth": {
      "url": "https://gateway.pipeworx.io/alchemy-eth/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

Regenerated from source · build October 7, 2026