erigon
Ethereum implementation on the efficiency frontier
The Erigon MCP server provides AI agents with access to Ethereum blockchain data through an efficient execution layer implementation. Built as part of Erigon, an Ethereum client optimized for performance and storage efficiency, this MCP server enables AI assistants to query blockchain state, interact with smart contracts, and retrieve transaction data. Developers can integrate this server into Claude Desktop, Cursor, or other MCP-compatible clients to add Ethereum blockchain capabilities to their AI workflows.
Key Features
Use Cases
- 01Enable AI assistants to query Ethereum account balances, transaction history, and smart contract state
- 02Build AI agents that monitor blockchain events and analyze on-chain data patterns
- 03Create conversational interfaces for exploring Ethereum block data and transaction details
- 04Develop AI-powered blockchain analytics tools that retrieve and process historical Ethereum data
- 05Integrate Ethereum blockchain queries into development workflows through AI coding assistants
- 06Build AI agents that interact with decentralized applications and verify smart contract interactions
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erigon — FAQ
What is the Erigon MCP server?+
The Erigon MCP server is a standalone executable that exposes Ethereum blockchain data and functionality to AI agents through the Model Context Protocol. It provides access to Ethereum's execution layer, allowing AI assistants to query blockchain state, retrieve transaction data, and interact with smart contracts.
How do I install and configure the Erigon MCP server?+
Clone the Erigon repository, build the project using `make all` to generate the `mcp` executable in `./build/bin`, then configure your MCP client (like Claude Desktop) to connect to the server. The server requires Go 1.26+, GCC 10+ or Clang, and a 64-bit system to build.
Which AI clients work with the Erigon MCP server?+
The Erigon MCP server works with any MCP-compatible client, including Claude Desktop, Cursor, and other applications that support the Model Context Protocol. Configure the client to point to the built `mcp` executable.
Do I need an Ethereum node or API key to use this MCP server?+
The Erigon MCP server is built on top of a full Ethereum node implementation, so you'll be running your own local Ethereum node. This requires significant disk space (starting at 22GB for chaindata, plus snapshots), adequate RAM, and an initial sync period, but does not require external API keys.
Is the Erigon MCP server free to use?+
Yes, Erigon is open-source software licensed under the GNU Lesser General Public License v3.0. The MCP server is free to use, though running an Ethereum node requires hardware resources and bandwidth.
What are the hardware requirements for running the Erigon MCP server?+
Hardware requirements depend on the pruning mode selected. At minimum, you need adequate disk space (archive mode requires significantly more than minimal mode), sufficient RAM for blockchain operations, a modern multi-core CPU, and stable bandwidth. Detailed requirements are available in the Erigon documentation.
How do I install erigon?+
Open the source repository on GitHub and follow its README. erigon is a mcp server — MCP Agents Market links you directly to the official repo.
Is erigon free?+
erigon is an open-source project hosted on GitHub. Check the repository for its license and any usage requirements.