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How to connect Coinbase Wallet MCP to Claude

Connect Claude Web, Desktop and Cowork to Coinbase Wallet MCP. List recent transactions from your wallet, initiate a 0.01 eth transfer now, and more using natural language, with authentication handled for you.

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Coinbase Wallet MCP is Coinbase's wallet service for interacting with onchain accounts. Use it to give agents secure, structured access to inspect wallets and request onchain actions.

15 Tools

Introduction

Claude is Anthropic's AI assistant, available on the web, in the desktop app, and on mobile. Cowork is its agent for knowledge work, and it runs on all of those surfaces too. Connected to your apps, Claude can work with your files and services to accomplish complex tasks on your behalf.

This guide walks you through the easiest and most secure way to connect your Coinbase Wallet account to Claude via Composio Connect, enabling it to list recent transactions from your wallet, initiate a 0.01 ETH transfer now, swap 0.05 ETH to USDC at market, and more such actions on your behalf without compromising your account security.

Setup is the same on Claude Web, Desktop, and Cowork, and you only need to do it once. The connector is tied to your account, so it's available in all three.

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Connecting Coinbase Wallet to Claude Web, Desktop, and Cowork

Two ways to add the Composio connector. Pick whichever you prefer.

1. Add with one click

Click the button. Claude opens with the Composio connector filled in. Click Add, then go to step 2.

Add to Claude

Add manually

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

2. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Web, Desktop, and Cowork

3. Connect your Coinbase Wallet account

Back in Claude, ask it to connect to Coinbase Wallet or give it any Coinbase Wallet-related task.

For example, ask Claude to:

  • "List recent transactions from your wallet"
  • "Initiate a 0.01 ETH transfer now"
  • "Swap 0.05 ETH to USDC at market"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Claude, and your Coinbase Wallet account is ready to use.

What is the Coinbase Wallet Claude Connector, and what's possible with it?

The Coinbase Wallet MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Coinbase Wallet account. It provides structured and secure access to your wallets, portfolio, transactions, and supported onchain actions, so your agent can inspect assets, review activity, send tokens, swap tokens, and request signatures on your behalf.

  • Wallet and portfolio insights: Have your agent list your wallets, check delegation and spending settings, and review total portfolio value with a breakdown by asset.
  • Transaction and onchain research: Instruct your agent to review recent transactions, search for tokens by name or symbol, and inspect onchain state across supported networks.
  • Token transfers and swaps: Direct your agent to request native token or ERC-20 transfers and swap tokens on supported mainnet chains.
  • Signatures and contract actions: Let the agent request user-approved signatures or submit batches of contract calls for your approval.
  • Funding and payments: Have your agent create wallet funding requests and initiate or complete payments with supported x402 services.

Troubleshooting

1. Why does Claude not use the Composio connector for Coinbase Wallet?

The connector can show as connected, but Claude must use it in each Coinbase Wallet conversation.

  • Click + at the lower left of the chat, or type /.
  • Hover Connectors.
  • Turn on Composio.
  • Ask Claude to connect to Coinbase Wallet again.

2. Why does Claude show an MCP server error before Coinbase Wallet connects?

Claude can show Couldn't reach the MCP server or Authorization with the MCP server failed when you add the connector for Coinbase Wallet.

  • Check that the connector URL is https://connect.composio.dev/mcp.
  • Connectors run from Anthropic's cloud, so your device network is usually not the problem.
  • Add the connector again from Customize > Connectors, then ask Claude to connect Coinbase Wallet.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the Coinbase Wallet authorization link not work?

The Composio connector is one server. Your Coinbase Wallet account connects separately when Claude asks for it.

  • If the browser does not open, or the link expires, ask Claude to retry the Coinbase Wallet connection.
  • Composio creates a fresh Coinbase Wallet authorization link.
  • Open that link in your browser and finish the Coinbase Wallet sign-in.

4. Why do Coinbase Wallet actions fail after they worked before?

The Coinbase Wallet connection can expire or lose permission.

  • Ask Claude to inspect the Coinbase Wallet connection.
  • If the connection is unhealthy, disconnect it when Claude prompts you.
  • Reconnect the Coinbase Wallet account and retry the action.
  • If Claude shows a permission prompt, approve it before Claude changes data in Coinbase Wallet.
  • If the action still fails with a permission error, check that the connected account has that permission in Coinbase Wallet itself.

5. How do I switch to a different Coinbase Wallet account?

Claude can manage the Coinbase Wallet connection for you.

  • Ask Claude to disconnect or delete the current Coinbase Wallet account.
  • Ask Claude to connect Coinbase Wallet again.
  • Open the new Composio authorization link for Coinbase Wallet.
  • Sign in with the other Coinbase Wallet account in the browser.
  • After the account connects, ask Claude to retry the Coinbase Wallet task.

6. Why is my Coinbase Wallet connection missing in Claude Desktop or on a Team plan?

The connector belongs to your Claude account, so your Coinbase Wallet connection works in Claude Web, Desktop, and Cowork.

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If Coinbase Wallet tools still do not appear, click ⋮, disconnect, remove the connector, and add it again.
  • On Team or Enterprise, an Owner or Primary Owner must enable the connector before you can connect Coinbase Wallet.
TOOLS

Supported Tools

Every Coinbase Wallet MCP action and event your agent gets out of the box.

Chain rpc request

Make a read-only JSON-RPC call to inspect on-chain state on a supported chain (arbitrum, avalanche, base, base-sepolia, bsc, ethereum, optimism, polygon, robinhood-chain).

Complete x402 request

Complete a previously initiated x402 payment after the user has approved it in their Base Account.

Fund

Create a funding request to add money to (top up) the user's wallet.

Get portfolio

Returns total portfolio value and per-asset breakdown for a wallet address.

Get request status

Poll the status of an approval request by requestId (returned by send, sign, swap, or send_calls).

Get transaction history

Returns paginated transaction history in reverse chronological order for a single chain.

Get wallets

Returns the user's Base Account and all agent wallets with delegation status, spend policy, and session authorization.

Help

Returns guidance for helping the user with protocol-specific tasks that aren't directly supported by this MCP.

Initiate x402 request

Initiate an HTTPS request to an x402-enabled endpoint.

Search tokens

Search for tokens by symbol or name on a single chain.

Send

Send native tokens or any ERC-20.

Send calls

Submit a batch of raw contract calls for user approval.

Sign

Request a user-approved signature.

Swap

Swap between tokens on a mainnet chain (testnets not supported).

Web request

Make an HTTP GET or POST request to a whitelisted partner API.

FRAMEWORKS

How to build Coinbase Wallet MCP Agent with another framework

ChatGPT logo

ChatGPT

Use Coinbase Wallet MCP with ChatGPT

Hermes logo

Hermes

Use Coinbase Wallet MCP with Hermes

Atomic Agent logo

Atomic Agent

Use Coinbase Wallet MCP with Atomic Agent

FAQ

Frequently asked questions

With a standalone Coinbase Wallet MCP server, the agents and LLMs can only access a fixed set of Coinbase Wallet tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Coinbase Wallet and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Coinbase Wallet tools.

Yes, absolutely. You can configure which Coinbase Wallet scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Coinbase Wallet data and credentials are handled as safely as possible.

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