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Connect ChatGPT to your MySQL database

ChatGPT queries your MySQL data through Myriade's MCP server: with business context, read-only, under each user's access rights.

Prerequisites

• A Myriade account on app.myriade.ai (or on your self-hosted instance).
• Network access from Myriade to MySQL, with a read-only account.
• ChatGPT, on a plan that allows custom MCP servers (see the note in step 2).

1. Connect MySQL to Myriade

Host, port (3306 by default), database, user and password.

Best practice: use a dedicated user with the SELECT privilege only, on the relevant database.

2. Add Myriade to ChatGPT

ChatGPT connects to remote MCP servers added as custom apps. Full MCP support is in beta on the Business, Enterprise and Edu plans, on the web.

1. 1Take the Myriade MCP address: https://app.myriade.ai/mcp.
2. 2In ChatGPT, add a custom MCP server with this URL (through developer mode, depending on your workspace version).
3. 3Choose OAuth, accept the warning, then sign in to Myriade.

https://app.myriade.ai/mcp

ChatGPT only accepts OAuth: myr_… tokens do not work there. On Business, an admin or owner turns the feature on.

Self-hosted Myriade (optional): replace app.myriade.ai with your instance's host.

3. Check the connection

Ask ChatGPT a few questions:

• “Which tables describe customer orders in MySQL?” The assistant searches the Myriade catalog before writing SQL.
• “What was revenue by region last quarter?” Read-only SQL, run under your access rights, saved in Myriade.
• “Did any alert fire on our KPIs this week?” The assistant reads Myriade's checks and alerts.

What Myriade enforces

• INSERT, UPDATE, DELETE, DROP… blocked; a query that cannot be parsed is rejected
• Maximum duration per query and a cap on concurrent queries
• At most 50 rows returned to the assistant
• Database visibility, team rules on tables and columns
• Protected columns stay masked, including for the assistant

Frequently asked questions