Add this connector to Grok

Someone on your team sent you a name and a server URL. Paste them into Grok as a custom connector. It takes a few minutes. The same URL also works in Claude, ChatGPT, Cursor, and MCP Inspector.

Grok Claude ChatGPT Cursor MCP Inspector Send this page

1Grok (web, iOS, Android)

Custom MCP connectors live at grok.com/connectors. On Grok Business or Enterprise, a team admin may need to provision the connector in the xAI console first.

Open Connectors and start a new one

Sign in to Grok. Open Connectors, click New Connector, then choose Custom (not a catalog app like Gmail or GitHub).

grok.com/connectors

Connectors

Connect Grok to your tools

Gmail Google Drive GitHub + New Connector

Then choose Custom — bring your own MCP server.

You should see New Connector, then a Custom option.

Enter the name and server URL

Paste the values from the green box above. Leave extra OAuth client id / secret fields blank unless you were told otherwise — Grok discovers sign-in from the server.

grok.com/connectors · Custom

New custom connector

Name

Your connector name

Server URL

https://gateway.simplysemantics.com/mcp/…

Add connector

Name and Server URL should match what you were sent. Then Add connector.

Sign in when Grok asks

Grok opens a Simply Semantics consent page in the browser. Sign in with your Simply Semantics account (the same email that is a member of the project). Approve access. Grok then loads the tools.

gateway.simplysemantics.com · Allow access

Allow Grok to use this connector?

You will see the connector name and a list of tools. Use your Simply Semantics login — not a shared password.

Allow Deny

Try it in a chat

Start a new Grok conversation.
Ask something the tools can answer, for example “What tools do you have?” or a real question for that connector.
If Grok asks to use a tool, allow it.

Claude

Pro, Max, Team, and Enterprise. Team/Enterprise: an owner adds it under organization connectors first; members then Connect.

Open claude.ai/settings/connectors (Customize → Connectors).
Click Add custom connector.
Name: Your connector name
URL: https://gateway.simplysemantics.com/mcp/…
Leave OAuth client id/secret blank. Click Add, then sign in with Simply Semantics.

ChatGPT

Where ChatGPT exposes custom MCP / apps (labels move; look for Connectors or Developer mode):

Open ChatGPT settings and find Connectors, Apps, or Developer mode → MCP.
Add a custom server / connector.
Paste the same https URL. Complete sign-in if prompted.

Cursor / Claude Code / other IDEs

Remote Streamable HTTP. Example Cursor MCP config (replace name and URL):

{
  "mcpServers": {
    "connector": {
      "url": "https://gateway.simplysemantics.com/mcp/…"
    }
  }
}

Claude Code: claude mcp add --transport http <name> <url> then complete OAuth in the browser.

MCP Inspector

Transport: Streamable HTTP.
URL: the same server URL.
If you skip OAuth, you can send Authorization: Bearer with a Simply Semantics session token. Grok itself uses OAuth, not a pasted key.

If it fails

No Custom option — Grok plan or Business admin has not enabled custom connectors.
Not a member of this project — your Simply Semantics login is not on that Gateway project. Ask the owner to invite you.
Connection error / 404 — URL must be the full /mcp/<uuid> path, https, reachable on the public internet.
Access denied on a tool — that is the tool’s API (for example an admin IP allowlist), not Grok failing to add the connector.

Fill the name and URL, copy the link, and send it. Recipients see the values already filled in.

Connector name Server URL

Contact Simply Semantics · Official Grok docs: Custom MCP connectors