How to Connect ChatGPT to Expensify with MCP

Connecting ChatGPT to Expensify lets you ask questions about expenses, reports, receipts, approvals and spending trends in plain English. Expensify's MCP server is read-only, so ChatGPT can search and summarize but cannot change anything in Expensify.

Checked against: Expensify's guide to connecting ChatGPT using MCP and OpenAI's connected apps article on 28 October 2026. eSEOspace did not run these steps; menus can change, so follow the vendor's page if it differs.

Before you start

Expensify's ChatGPT guide lists three requirements:

• A ChatGPT account
• An active Expensify account
• Internet access for OAuth authentication

On the ChatGPT side, OpenAI's plugins article says the plugin directory is available across ChatGPT plans. Installing or using an individual plugin still depends on your plan, workspace, role, region and the plugin's capabilities. If you use a Business, Enterprise or Edu workspace, an admin may control which plugins and apps are available.

What ChatGPT can see depends on your Expensify role. Expensify's MCP overview says the mcp:tools scope gives read access to data you can already access through your account and Workspace permissions. An admin's connection will see more than an employee's.

Steps

Expensify's guide gives these steps:

1. Open ChatGPT.
2. Click Plugins.
3. Search Expensify.
4. Click the + to connect.
5. Click Allow.

During the OAuth flow, Expensify says your AI assistant redirects you to Expensify. You sign in with your existing Expensify methods, see a consent screen that explains the requested access, and approve or deny it.

OpenAI's connected apps article describes the same flow from Settings > Plugins. It notes that ChatGPT may first show Install plugin, then Connect, before the provider sign-in.

Other ways to connect

Expensify's server lives at:

https://www.expensify.com/mcp

Expensify's general steps for other clients are to add a new MCP server connection with that URL, sign in, review permissions and approve. In ChatGPT, adding a URL by hand is the custom MCP server route. OpenAI's custom MCP server article limits that to Business and Enterprise/Edu, with read and fetch only on Pro. Because Expensify publishes a plugin, most people should use the plugin.

Check that it works

Expensify's guide says to open a new chat, click the + button near the message composer, select the Expensify plugin, and ask a question about your data. These prompts come from Expensify's overview.

Example prompts

• "Show me all expenses over $100 missing receipts."
• "Which reports are waiting for my approval?"
• "Summarize team spending by category for Q1."

Expensify says ChatGPT can search expenses and reports, summarize spending, identify missing receipts and analyze spending trends.

Permissions and safety

Expensify's design keeps the risk low for a finance connection:

• Read-only. Expensify says ChatGPT cannot approve reports, edit expenses, reimburse payments or manage Workspace settings.
• Your permissions only. The single mcp:tools scope reads only what your account and Workspace permissions already allow.
• Consent screen. You approve or deny the connection on Expensify's own page.
• Revoke any time. Expensify says to remove or disconnect the server in your AI client. It also mentions an OAuth revocation flow if your client supports it.

Read-only still means data leaves Expensify. Receipts, merchant names and amounts land in your ChatGPT conversation. OpenAI's connected apps article says Business, Enterprise and Edu data from apps is not used for training by default. On Free, Plus, Go and Pro, OpenAI may use it if "Improve the model for everyone" is on.

Before you connect, read our guides to MCP data exfiltration and cross-server data leakage, and the MCP Security Center.

If you want an AI to keep books rather than just read expense data, LedgerMCP (built by eSEOspace) is a separate MCP server for double-entry bookkeeping. See the LedgerMCP spotlight.

If it doesn't work

Expensify's FAQ covers the main failure, ChatGPT not seeing your data:

1. Make sure you completed the OAuth approval flow in your browser.
2. Go to Plugins in ChatGPT and confirm that Expensify appears under Installed.
3. Open the Expensify plugin, select the three dots, and click Reconnect.
4. Remove the Expensify plugin and add it again.

If ChatGPT shows Not available on your plan, Admin approval required or Disabled by admin, OpenAI's troubleshooting article says to check the plugin's plan requirements or ask your workspace administrator.

Next step

Start with questions you already answer by hand, such as missing receipts or reports waiting for approval. Read the Expensify MCP server profile for scope and security details, or browse more connection guides for your other finance tools.

Frequently asked questions