Bankless Onchain MCP Server vs Coinbase AgentKit MCP Extension

A side-by-side comparison of two Finance & Payments servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Bankless Onchain MCP Server Structured on-chain data: contract state, ABIs, source code, event logs, and transaction history. Verified stdio (local) API key TypeScript	Coinbase AgentKit MCP Extension Coinbase's AgentKit MCP extension for onchain actions: transfers, swaps, and contract calls. Verified stdio (local) API key TypeScript
Category	Finance & Payments	Finance & Payments
Language	TypeScript	TypeScript
Transport	stdio (local)	stdio (local)
Auth	API key	API key
GitHub stars	120	900
Last commit	2 months ago	1 month ago
Verified
Actively maintained
Install	`npx -y @bankless/onchain-mcp`	`npm install @coinbase/agentkit @coinbase/agentkit-model-context-protocol @modelcontextprotocol/sdk`
Repo	Open	Open

Verdict

Pick Bankless Onchain MCP Server if you prefer its approach (structured on-chain data: contract state, abis, source code, event logs, and transaction history).

Pick Coinbase AgentKit MCP Extension if you prefer the more popular, battle-tested option.

Add Bankless Onchain MCP Server

Install / run

npx -y @bankless/onchain-mcp

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "bankless-onchain-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@bankless/onchain-mcp"
      ],
      "env": {
        "BANKLESS_API_TOKEN": "<your-bankless-api-token>"
      }
    }
  }
}

Add Coinbase AgentKit MCP Extension

Install / run

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

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "coinbase-agentkit-mcp-extension": {
      "command": "node",
      "args": [
        "/absolute/path/to/your-agentkit-mcp-server.js"
      ],
      "env": {
        "CDP_API_KEY_NAME": "<your-cdp-api-key-name>",
        "CDP_API_KEY_PRIVATE_KEY": "<your-cdp-api-private-key>"
      }
    }
  }
}

FAQ

Bankless Onchain MCP Server or Coinbase AgentKit MCP Extension — which is better?

Pick Bankless Onchain MCP Server if you prefer its approach (structured on-chain data: contract state, abis, source code, event logs, and transaction history). Pick Coinbase AgentKit MCP Extension if you prefer the more popular, battle-tested option.

Can I use both Bankless Onchain MCP Server and Coinbase AgentKit MCP Extension?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Bankless Onchain MCP Server and Coinbase AgentKit MCP Extension work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Bankless Onchain MCP Server →View Coinbase AgentKit MCP Extension →More comparisons →