AgentKit Extension - Model Context Protocol (MCP)

Anthropic Model Context Protocol (MCP) extension of AgentKit. Enables agentic workflows to interact with onchain actions.

Setup

Prerequisites

• CDP API Key
• Node.js 18 or higher

Installation

npm install @coinbase/agentkit-model-context-protocol @coinbase/agentkit @modelcontextprotocol/sdk
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Usage

Basic Setup

import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { CallToolRequestSchema, ListToolsRequestSchema } from "@modelcontextprotocol/sdk/types.js";
import { getMcpTools } from "@coinbase/agentkit-model-context-protocol";
import { AgentKit } from "@coinbase/agentkit";

const agentKit = await AgentKit.from({
  cdpApiKeyName: "CDP API KEY NAME",
  cdpApiKeyPrivateKey: "CDP API KEY PRIVATE KEY",
});

const { tools, toolHandler } = await getMcpTools(agentKit);

const server = new Server(
  {
    name: "agentkit",
    version: "0.1.0",
  },
  {
    capabilities: {
      tools: {},
    },
  },
);

server.setRequestHandler(ListToolsRequestSchema, async () => {
  return {
    tools,
  };
});

server.setRequestHandler(CallToolRequestSchema, async (request) => {
  try {
    return toolHandler(request.params.name, request.params.arguments);
  } catch (error) {
    throw new Error(`Tool ${name} failed: ${error}`);
  }
});

const transport = new StdioServerTransport();

await server.connect(transport);
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Contributing

See CONTRIBUTING.md for detailed setup instructions and contribution guidelines.