🎖️ 📇 ☁️ - Base Network integration for onchain tools, allowing interaction with Base Network and Coinbase API for wallet management, fund transfers, smart contracts, and DeFi operations
To add base/base-mcp to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 5 environment variables, listed below.
Install
npx -y base-mcpEnvironment variables
COINBASE_API_KEYSet in your MCP configCOINBASE_API_PRIVATE_KEYSet in your MCP configALCHEMY_API_KEYSet in your MCP configOPENROUTER_API_KEYSet in your MCP configNEYNAR_API_KEYSet in your MCP configInstall with your client
claude mcp add base-base --env COINBASE_API_KEY=<YOUR_COINBASE_API_KEY> --env COINBASE_API_PRIVATE_KEY=<YOUR_COINBASE_API_PRIVATE_KEY> --env ALCHEMY_API_KEY=<YOUR_ALCHEMY_API_KEY> --env OPENROUTER_API_KEY=<YOUR_OPENROUTER_API_KEY> --env NEYNAR_API_KEY=<YOUR_NEYNAR_API_KEY> -- npx -y base-mcp
Run this in a terminal to add the server to Claude Code.
What this does
base/base-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
COINBASE_API_KEY COINBASE_API_PRIVATE_KEY ALCHEMY_API_KEY OPENROUTER_API_KEY NEYNAR_API_KEY
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install base/base-mcp?
Run the Claude Code command in the install section to add base/base-mcp to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with base/base-mcp?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to base/base-mcp as well.
Does base/base-mcp need an API key?
Yes. Before it can run, set these environment variables: COINBASE_API_KEY, COINBASE_API_PRIVATE_KEY, ALCHEMY_API_KEY, OPENROUTER_API_KEY, NEYNAR_API_KEY. They go in the env block of your MCP config.
What license is base/base-mcp under?
base/base-mcp is listed under the MIT license.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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