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JargonSync
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Connect JargonSync to Claude

JargonSync's MCP server is available to all Claude users, including Free users. If you’re using a Claude organization subscription, an organization admin may need to enable or approve custom connectors before you can add JargonSync.

JargonSync works with any assistant that supports MCP connectors. Add it once and Claude can read your glossary, correct your terms, and even add new ones for you, all from a normal chat.

Before you start

  • •A JargonSync account with your glossary set up.
  • •Your JargonSync server URL (below).
  • •Connecting uses OAuth, so you sign in through JargonSync — you never paste an API key into Claude.
  1. 1

    Open Settings

    In Claude, open your account menu and select Settings.

  2. 2

    Go to Connectors

    In the settings sidebar, select Connectors.

  3. 3

    Add a custom connector

    Click Add, then choose Add custom connector.

  4. 4

    Enter the JargonSync details

    Fill in the connector form:

    Name:JargonSync
    Server URL:https://jargonsync.com/api/v1/mcp

    Then click Add.

  5. 5

    Sign in and approve access

    Claude opens JargonSync so you can confirm the connection. Sign in, review the access request, and approve it.

  6. 6

    Start using JargonSync

    JargonSync now appears in your connector list. In any Claude chat, try:

    Try it

    “Add DataChef to our glossary; people keep typing Data chef.”