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Certifier MCP: How to Connect to ChatGPT & Claude

Connect Certifier to AI assistants through the MCP (Model Context Protocol), and run all credential actions with simple prompts.

Written by Uliana Kysheniuk

šŸ‘‰ If you want to focus on specific functions, just jump to:

What is an MCP?

MCP (Model Context Protocol) is an open standard that lets AI assistants connect to external tools securely. It gives your AI assistant the ability to interact with apps on your behalf.

Certifier MCP server uses this standard to give your AI assistant direct access to your Certifier workspace. Once connected, your assistant can:

  • search, list, and inspect existing credentials

  • create, issue and send credentials

  • create and manage credential templates (groups)

  • list and inspect available design templates

How to Set Up Certifier MCP

Connect any MCP-compatible AI assistant to Certifier using this server URL:

https://api.certifier.io/v1/mcp

šŸ”Ž For detailed setup instructions for Claude Code, Codex and OpenCode, see the Certifier MCP Developer Docs.

Connect Certifier to ChatGPT

Follow these steps to connect Certifier MCP to ChatGPT and start issuing & manaing credentials directly from your prompts.

Step 1: Open ChatGPT settings

  1. In ChatGPT, click your profile icon in the bottom-left corner

  2. Select Settings

Step 2: Go to Apps and Enable Developer Mode

  1. In the Settings menu, open the Apps tab

  2. Click Advanced settings

  3. Find Developer mode

  4. Toggle it ON

āš ļø Important note: If Developer mode is disabled for you, contact your organizationā€™s admin or owner and ask them to grant you access.

Step 3: Create a new app

  1. Go back to the Apps section

  2. Click Create app

Step 4: Add Certifier MCP

  • Fill in the app details including MCP Server URL:

https://api.certifier.io/v1/mcp

  • Leave authentication as OAuth (default)

  • Check the confirmation box

  • Click Create

Step 5: Authorize access

  1. Youā€™ll be redirected to Certifier

  2. Choose your workspace

  3. Click Approve access

Done!

Certifier MCP is now connected to ChatGPT. You can start using it right away, for example:

  • Issue credentials to your recipients from a prompt

  • Create credential templates for new programs

  • List and inspect available design templates

Connect Certifier to Claude

Follow these steps to connect Certifier MCP to Claude and start issuing & managing credentials directly from your prompts.

Step 1: Open Claude settings

  1. Click your profile icon in the bottom-left corner

  2. Select Settings

Step 2: Add Custom Connector

  1. In the left sidebar, find Connectors

  2. Open the Connectors section

  3. Click Add custom connector

āš ļø Important note: If you donā€™t see the option to add a custom connector, contact your organizationā€™s admin or owner and ask them to grant you access.

Step 3: Add Certifier MCP

  • Fill in the app name (Certifier), and add the MCP Server URL:

https://api.certifier.io/v1/mcp

  • Click Add

Step 4: Connect Certifier

  1. Find Certifier (Custom) in your connectors list

  2. Click Connect

Step 5: Authorize access

  1. Youā€™ll be redirected to Certifier

  2. Select your workspace

  3. Click Approve access

Done!

Certifier MCP is now connected to Claude. You can start using it right away, for example:

  • Issue credentials to your recipients from a prompt

  • Create credential templates for new programs

  • List and inspect available design templates

Set Up Certifier MCP for Your Organization

Use this setup if you want to enable Certifier MCP across your team or organization.

šŸ’” Use organization setup if you want multiple team members to use Certifier via AI assistants.

Step 1: Ensure workspace access

Before connecting MCP, make sure:

  • Users are invited to your Certifier workspace

  • They have the correct role (Admin / Editor, etc.)

šŸ‘‰ Only users with access to the workspace will be able to use MCP actions.

Step 2:

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