hajnalben/web3-tools-mcp

3.1

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A Model Context Protocol (MCP) server that facilitates blockchain interactions using viem, Etherscan APIs, and Hypersync, enabling AI assistants to interact with blockchain networks efficiently.

Tools

Functions exposed to the LLM to take actions

get_function_signature

Generate 4-byte function selectors from ABI definitions.

call_contract_function

Call view/pure functions on smart contracts.

get_logs

Query contract events with decoded output and parameter filtering.

Prompts

Interactive templates invoked by user choice

No prompts

Resources

Contextual data attached and managed by the client

No resources

Author

hajnalben

Claim Ownership

Verify you have write access to the repository

Repository

https://github.com/hajnalben/web3-tools-mcp

License

MIT License

Last publish date

2025-06-30

Last update date

2025-06-30

Server configs

via npx in claude desktop

{
  "mcp": {
    "servers": {
      "web3-tools": {
        "command": "npx",
        "args": [
          "-y",
          "web3-tools-mcp",
          "--etherscan-api-key",
          "YOUR_ETHERSCAN_API_KEY",
          "--hypersync-api-key",
          "YOUR_HYPERSYNC_API_KEY"
        ]
      }
    }
  }
}

in claude desktop

{
  "mcp": {
    "servers": {
      "web3-tools": {
        "command": "web3-tools-mcp",
        "args": [
          "--etherscan-api-key", "YOUR_ETHERSCAN_API_KEY",
          "--hypersync-api-key", "YOUR_HYPERSYNC_API_KEY"
        ]
      }
    }
  }
}