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RingEX Admin Setup

Server URL: https://mcp.labs.ringcentral.com/ringex/admin

Experimental

This server is experimental. Its endpoint, tool names, and input schemas may change, and the server may be withdrawn, without the notice periods described in the deprecation policy.

ChatGPT calls this an App (renamed from "Connector" in December 2025). Connecting a server that can call tools — not just read/fetch — requires Developer Mode.

  1. Business/Enterprise/Edu workspaces: a workspace admin enables Developer Mode via Workspace Settings → Permissions & Roles → Connected Data. Individual Enterprise/Edu accounts, or Pro (read/fetch-only): go to Settings → Apps → Advanced Settings and toggle Developer mode on.
  2. In Settings → Apps, click Create, enter the URL above as the MCP Server URL, name it (e.g. RingEX Admin), click Scan Tools, then Save.
  3. Complete the RingCentral OAuth flow when prompted.
  4. Open a new chat, click the + icon or tools menu, and select RingEX Admin — or mention it by name in your prompt.
  5. Verify: ask "List the first few users in my RingCentral account."

Pro users

Read/fetch-only Developer Mode covers the read tools (read_users, read_roles, read_sites, read_phone_numbers, read_call_queues, read_call_routing, read_ivr_media, search_admin_audit_log), but not the tools that change configuration. Full Developer Mode is required for those.

Custom connectors live under Customize > Connectors (Claude.ai) or Settings → Connectors (Claude Desktop) — not through claude_desktop_config.json, which only supports local stdio servers.

  1. Sign in to claude.ai, or open Claude Desktop.
  2. Pro/Max: go to Customize > Connectors → click + → Add custom connector. Team/Enterprise: an Owner first adds it under Organization settings > Connectors → Add → hover Custom → select Web; members then connect individually via Customize > Connectors.
  3. Enter a name (e.g. RingEX Admin) and the URL above, then click Add.
  4. Complete the RingCentral OAuth flow: sign in with your RingCentral account and authorize the integration.
  5. In a new conversation, click the + button (lower left of the chat box) → Connectors, and toggle RingEX Admin on.
  6. Verify: ask "List the first few users in my RingCentral account."
  1. Open the Codex app → click the Settings gear (bottom left) → MCP Servers → Add server.
  2. Enter a name (e.g. RingEX Admin), set Type to Streamable HTTP, and enter the URL above.
  3. Click Save, then select Restart so Codex picks up the new server.
  4. Authenticate with your RingCentral account in the browser window that opens.
  5. Codex has no connector picker — mention "RingCentral" explicitly in your prompt, e.g. "Using RingCentral, list the first few users in my account."

Grok adds RingCentral connectors from its connector gallery, and RingEX Admin isn't in the gallery yet. Add it manually as a custom connector instead.

  1. Open Grok.
  2. Click Plugins above your username.
  3. Click New connector.
  4. Select Custom Connector.
  5. Enter the Server URL above as the MCP server URL, and a name (e.g. RingEX Admin).

Troubleshooting

Tools not appearing after connecting

  • Confirm the URL has no trailing slash.
  • Disconnect and reconnect the server from your client's connector/app settings.
  • Check that your network allows outbound HTTPS to *.ringcentral.com and *.labs.ringcentral.com.

Authentication errors

  • Remove the connector/app and re-add it to restart the OAuth flow.
  • Ensure your RingCentral account has the necessary API permissions.

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