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MCP setup

Use DeCyph from Claude or ChatGPT by connecting to our hosted MCP server over HTTPS. Replace the placeholder screenshots below with your own exports when the product UI updates.

MCP server URL

https://www.app.decyph.ai/api/mcp

Claude (connector)

In Claude (desktop or web, depending on your plan), add a remote MCP connector and paste the server URL.

  1. Open settings

    Open Claude and go to Settings (or your workspace settings).

    Claude settings entry point
    Step 1 — Open settings.

  2. Developer or connectors

    Find the section for developers, integrations, or Connectors / MCP.

    Claude developer or connectors section
    Step 2 — Navigate to MCP / connectors.

  3. Add a connector

    Choose Add connector, Add MCP server, or similar, then select a remote server over HTTPS if prompted and paste the MCP URL https://www.app.decyph.ai/api/mcp.

    Claude add MCP connector
    Step 3 — Start adding a new connector and paste the URL.

  4. Click connect

    Claude MCP URL field filled with DeCyph endpoint
    Step 4 — Click connect after adding the server URL.

  5. Allow access in DeCyph

    Sign in to your DeCyph account, then click Allow access to finish authorization.

    DeCyph sign-in and allow access screen
    Step 5 — Sign in and click "Allow access".

  6. Open Claude when prompted

    After authorization, choose to open Claude when your browser prompts you.

    Browser prompt to open Claude
    Step 6 — Open Claude when prompted.

  7. Connection successful

    Success. You can now use this connector in Claude Chat, Cowork, and the app and Excel plugins.

    Claude connector connected successfully
    Step 7 — Connector is ready to use.

ChatGPT (app)

In ChatGPT, configure your app to use an MCP server and point it at the same URL.

  1. Open app settings

    Open your ChatGPT App (or webpage) and open its settings or configuration screen.

    ChatGPT app settings
    Step 1 — Open app settings.

  2. Apps - Advanced settings

    Go to Apps -> Advanced settings.

    ChatGPT apps advanced settings
    Step 2 — Go to Apps -> Advanced settings.

  3. Turn on Developer mode

    ChatGPT developer mode toggle
    Step 3 — Toggle Developer mode on.

  4. Add MCP details

    Enter the MCP details, including https://www.app.decyph.ai/api/mcp, then click Create.

    ChatGPT MCP URL field with DeCyph endpoint
    Step 4 — Add MCP details and hit Create.

  5. Allow access on DeCyph

    Complete authorization in DeCyph and click Allow access.

    DeCyph allow access screen for ChatGPT MCP connection
    Step 5 — Allow access on DeCyph.

  6. Confirm connected status

    You will see DeCyph showing as connected in ChatGPT.

    ChatGPT showing DeCyph as connected
    Step 6 — DeCyph appears as connected in ChatGPT.

  7. Use DeCyph in chat

    Select DeCyph in the dropdown and ask questions on your DeCyph data.

    ChatGPT dropdown with DeCyph selected for asking questions
    Step 7 — Select DeCyph in the dropdown and ask questions.

Authentication

If DeCyph or your identity provider shows a sign-in, OAuth, or permission screen when connecting, complete that flow in the browser window Claude or ChatGPT opens. Use the same account you use on app.decyph.ai when that is required. For API-style access outside MCP, see API documentation.

Troubleshooting

  • Double-check the URL — it must be exactly https://www.app.decyph.ai/api/mcp (HTTPS).
  • Network — corporate VPNs or firewalls can block outbound HTTPS to new hosts; try another network or ask IT to allow the host.
  • Still stuck — email info@decyph.ai.