LAP MCP Connection Guide for ChatGPT

This guide walks staff through connecting the LAP MCP server in both:

• ChatGPT online (web)
• ChatGPT Desktop

Use this when you need ChatGPT to call LAP tools (case search, case details, updates, documents, and appointments).

Before You Start

1. Confirm you have a valid LAP login account.
2. Confirm your LAP MCP endpoint URL is available from your admin or deployment notes (example: https://mcp.kinghornja.com).
3. Keep your OAuth-enabled account ready so you can sign in during the connection flow.

Connect LAP MCP in ChatGPT Online (Web)

Step 1: Open Plugins in Settings

1. Sign in to ChatGPT in your browser.
2. Open Settings.
3. Select Plugins in the left menu.
4. Confirm you can see Developer mode as a menu item.

Step 2: Enable Developer Mode

1. Open Security and login in settings.
2. Find the Developer mode section.
3. Turn Developer mode ON.

Step 3: Start Adding a Custom Plugin/MCP

1. Return to Plugins.
2. Click the + button in the top-right.
3. Start creating a new connector.

Step 4: Fill the New Plugin Form

1. Set Name to Legal Assist (or your preferred LAP name).
2. Keep connection type on Server URL.
3. Set URL to your LAP MCP endpoint (example: https://mcp.kinghornja.com/).
4. Set Authentication to OAuth.
5. Tick the risk acknowledgement checkbox.
6. Click Create.

Step 5: Click Sign in with Legal Assist

1. In the connector pop-up, click Sign in with Legal Assist.
2. Continue to the LAP sign-in page.

Step 6: Log in to LAP

1. Enter your LAP username/email.
2. Enter your LAP password.
3. Click Log in.

Step 7: Authorize ChatGPT

1. Review the authorization request.
2. Click Authorize to grant access.
3. Wait for redirect back to ChatGPT.

Step 8: Run a Quick MCP Test Prompt

1. Start a new chat.
2. Ask for a safe read-only request, for example:
   • "Connect to Legal Assist and search clients by name 'Test'."
3. Approve tool usage when prompted.

Connect LAP MCP in ChatGPT Desktop

Step 1: Add MCP Server in Desktop Settings

1. Open the ChatGPT Desktop app.
2. Go to Settings.
3. Open Plugins, then select the MCPs tab.
4. Click Add → Add MCP server.
5. Fill the form:
   • Name: Legal Assist
   • Type: Streamable HTTP
   • URL: your LAP MCP endpoint (example: https://mcp.kinghornja.com)
6. Save/create the MCP connection.

Step 2: Test and Approve Tool Access

1. Open a new Desktop chat.
2. Ask ChatGPT to run a LAP tool (for example, client search).
3. When prompted, click Allow once (or your preferred allow option).
4. Confirm tool-backed response is returned.

Quick Troubleshooting

1. Connection fails: re-check the MCP URL and network access.
2. Auth loops: sign out and sign in again, then reconnect.
3. No tools listed: reconnect and confirm account permissions.
4. Unexpected errors: capture screenshot + timestamp and send to IT.