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How to connect Coinbase Agents MCP with ChatGPT

Connect ChatGPT to Coinbase Agents MCP. List open orders in your portfolio, convert usd to btc at market price, and more using natural language, with authentication handled for you.

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Coinbase Agents MCP is Coinbase's managed toolkit exposing accounts, portfolios, orders, fills, and market data. Use it to let authorized agents inspect holdings, execute trades, perform transfers, and handle payments.

29 Tools

How to connect Coinbase Agents MCP with ChatGPT

ChatGPT can take action across your apps and files, stay with a project for hours, and turn a goal into finished materials like sheets, slides, and docs, not just answers.

In this guide, I will explain the easiest and most secure way to connect your Coinbase Agents account to ChatGPT via Composio Connect, so it can inspect your portfolios, check account balances, place trades, initiate transfers, and fetch market data through natural language commands without ever putting your account credentials at risk.

Also integrate Coinbase Agents MCP with

Claude CoworkHermesAtomic Agent

Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's Coinbase Agents integration lets ChatGPT take actions like creating drafts, sending updates, labeling records, and more.
  • 1,500+ SaaS toolkits out of the box. Composio gives you instant access to a vast catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce.
  • One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app.
  • Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand.
  • Cross-app automation. Chain actions across multiple apps in a single run - fetch a thread, summarize it in Notion, and post highlights to Slack without leaving the conversation.

Prerequisites

  • A ChatGPT account. We will use the ChatGPT desktop app, and the steps are the same on the web.
  • Access to the Coinbase Agents workspace you want to connect.
  • Composio plugin.

Note: Composio connects through OAuth. You will be asked to sign in and approve specific permissions. Review the permission screen carefully if you are using a work account.

Step-by-step: Connect Coinbase Agents to ChatGPT

1. Install the Composio plugin

Click the button. ChatGPT opens the Composio plugin page. Click Install plugin.

Install in ChatGPT

Composio plugin page in ChatGPT with the Install plugin button

You can also find it inside ChatGPT: go to Settings, open Plugins, search the marketplace for Composio, and click Install plugin.

2. Authenticate

After you install, ChatGPT asks you to authenticate with Composio. Log in and click Allow access to authorize ChatGPT to use your Composio account.

Composio login and Allow access screen for ChatGPT

3. Start using Composio

That is it. Composio tools are now available in ChatGPT. Type @Composio followed by your request, for example @Composio find unread Coinbase Agents messages and summarize them, and it will run the actions you authorize. On first use it asks you to authorize Coinbase Agents.

Option 2: Add Composio as an MCP server

If you cannot use the plugin marketplace, add Composio as a custom MCP server instead.

1. Open the MCP settings

In ChatGPT, go to Settings and open the Plugins section. Inside the Plugins page, click the MCP tab.

ChatGPT settings showing the Plugins page with the MCP tab selected

2. Add the server

Click Add server. In the Name field enter Composio, for Type select Streamable HTTP, and in the URL field paste the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
ChatGPT Add server dialog with the name Composio, type Streamable HTTP, and the Composio MCP URL

Then click Save. The Composio server now appears in your MCP plugins list.

ChatGPT Plugins page showing the Composio MCP server added to the list

3. Authenticate

Click Authenticate on the Composio entry, log in via Composio, and click Allow access. Composio tools are then available in ChatGPT the same way as with the plugin.

What you can do after connecting Coinbase Agents

  • List open orders in your portfolio
  • Convert USD to BTC at market price
  • Summarize yesterday's trades and fees

Security + privacy notes (important)

  • Use least-privilege access: Only grant permissions you actually need.
  • Review OAuth permissions before approving: Make sure requested scopes match what you expect Composio and ChatGPT to do.
  • Keep write actions human-reviewed: For actions like sending messages, creating labels, or editing drafts, keep manual confirmation enabled.
  • Be careful with sensitive data: Avoid using this setup with highly sensitive information unless allowed by your personal, company, or client policies.
TOOLS

Supported Tools

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

Coinbase balance

Returns account balances for exactly one portfolio.

Coinbase convert execute

Executes a previously quoted conversion using the quote_id from convert_quote.

Coinbase convert get

Check status of a conversion by quote ID.

Coinbase convert quote

Quotes stablecoin↔fiat and stablecoin↔stablecoin conversions, returning rate, fees, and a quote ID.

Coinbase fees

Fee tier, maker/taker rates, and 30-day volume.

Coinbase orders cancel

Cancels one or more open orders by ID.

Coinbase orders close position

Places a market order to flatten an open position for a product, moving funds immediately.

Coinbase orders create

Place a market, limit, stop_limit, bracket, twap, or scaled order, subject to venue eligibility.

Coinbase orders edit

Atomically update an open order's price or size without cancelling.

Coinbase orders edit preview

Estimate the result, fees, fill price, and slippage of changing an open order's size or limit price without editing it.

Coinbase orders fills

Lists individual trade executions with commissions and maker/taker indicator, filterable by product, order, side, and time range.

Coinbase orders get

Retrieves the full status and fill details of a single order by ID.

Coinbase orders list

Lists orders with optional filters by status, product, side, and time range.

Coinbase orders preview

Estimate fees, fill price, slippage, and execution plans without placing an order.

Coinbase portfolios create

Creates a new named portfolio for segregating funds and positions.

Coinbase portfolios delete

Permanently deletes a portfolio.

Coinbase portfolios edit

Renames an existing portfolio.

Coinbase portfolios get

Returns portfolio metadata, balances, and positions.

Coinbase portfolios list

Lists all portfolios on the account, including their UUIDs and types.

Coinbase products best bid ask

Returns best bid and ask for one or more products in a single call.

Coinbase products book

Returns the current bid/ask order book for a product.

Coinbase products candles

Returns historical OHLCV candles for a product at a chosen granularity and time range.

Coinbase products get

Viewing a product, including a FUTURE one, doesn't require any special account approval.

Coinbase products list

Viewing products, including FUTURE ones, doesn't require any special account approval.

Coinbase products ticker

Returns recent trade prints plus the current best bid/ask for a product.

Coinbase transfer

Moves funds of a single currency from one portfolio to another.

Coinbase x402 fetch

Fetches a resource returned by x402_resources.

Coinbase x402 pay

Turns an x402 PaymentRequirements challenge into a ready-to-send payment header by placing a pre-authorized hold on the caller's Base USDC balance (EIP-3009 exact scheme, v0).

Coinbase x402 resources

Discover curated x402 resources: paid on-chain and market metrics, wallet and entity intelligence, and derivatives data.

FRAMEWORKS

How to build Coinbase Agents MCP Agent with another framework

Claude Cowork logo

Claude Cowork

Use Coinbase Agents MCP with Claude Cowork

Hermes logo

Hermes

Use Coinbase Agents MCP with Hermes

Atomic Agent logo

Atomic Agent

Use Coinbase Agents MCP with Atomic Agent

FAQ

Frequently asked questions

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

Yes, you can. ChatGPT 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 Agents tools.

Yes, absolutely. You can configure which Coinbase Agents 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 Agents data and credentials are handled as safely as possible.

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