@pipeworx/alchemy-eth

Alchemy MCP — Ethereum + L2 enhanced RPC (NFT, token, txn enrichment endpoints). Free key 300M compute units/mo.

Part of Pipeworx — an MCP gateway connecting AI agents to 1394+ live data sources.

Auth

• Platform: PLATFORM_ALCHEMY_KEY. BYO: ?_apiKey=….

• Chain selector: pass chain to most tools (eth-mainnet (default) | eth-sepolia | polygon-mainnet | arb-mainnet | opt-mainnet | base-mainnet).

Related MCP server: Geth MCP Proxy

Tools (Core RPC passthrough)

• eth_call(method, params, chain?) — generic JSON-RPC call

Tools (Token API)

• token_balances(address, contracts?, chain?) — ERC-20 balances

• token_metadata(contract, chain?) — ERC-20 metadata

• token_allowance(contract, owner, spender, chain?) — allowance

Tools (NFT API)

• nfts_owned(owner, contracts?, page_key?, page_size?, chain?) — NFTs owned by address

• nft_metadata(contract, tokenId, refresh_cache?, chain?) — single NFT metadata

• nfts_for_collection(contract, withMetadata?, startToken?, limit?, chain?) — NFTs in a collection

• nft_owners(contract, tokenId?, chain?) — owners of a contract / token

Tools (Transfers + Webhooks)

• asset_transfers(from?, to?, contract_addresses?, category?, fromBlock?, toBlock?, order?, withMetadata?, excludeZeroValue?, maxCount?, pageKey?, chain?) — enhanced transfer feed

Data source

https://<chain>.g.alchemy.com/v2/<key> (RPC), https://<chain>.g.alchemy.com/nft/v3/<key> (NFT v3)

Quick Start

Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):

{
  "mcpServers": {
    "alchemy-eth": {
      "url": "https://gateway.pipeworx.io/alchemy-eth/mcp"
    }
  }
}

Or connect to the full Pipeworx gateway for access to all 1394+ data sources:

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

Using with ask_pipeworx

Instead of calling tools directly, you can ask questions in plain English:

ask_pipeworx({ question: "your question about Alchemy Eth data" })

The gateway picks the right tool and fills the arguments automatically.

More

• Docs and guides

• pipeworx.io

License

MIT