Telnyx

Cloud communications platform.

CommunityOnlineNo sign-inGlobalFreeCan modify data

What it can do

  • Get Api Endpoint Schema: Get the schema for an endpoint in the Telnyx TypeScript API. You can use the schema returned by this tool to invoke an endpoint with the `invoke_api_endpoint` tool.
  • List Api Endpoints: List or search for all endpoints in the Telnyx TypeScript API
  • Invoke Api Endpoint: Invoke an endpoint in the Telnyx TypeScript API. Note: use the `list_api_endpoints` tool to get the list of endpoints and `get_api_endpoint_schema` tool to get the schema for an e

What data it sees

Do you need an account

No: the server works without sign-in

Cloud communications platform. Send messages, make calls, manage phone numbers, and configure networking APIs.

How to connect

How to connect Telnyx to Claude

The server address to paste into Claude settings:

https://telnyx.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect Telnyx to ChatGPT

The server address to paste into ChatGPT settings:

https://telnyx.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect Telnyx to Cursor

The server address to paste into Cursor settings:

https://telnyx.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (3)

Raw names from tools/list. Only developers need these.

get_api_endpoint_schemaGet the schema for an endpoint in the Telnyx TypeScript API. You can use the schema returned by this tool to invoke an endpoint with the `invoke_api_endpoint` tool.
list_api_endpointsList or search for all endpoints in the Telnyx TypeScript API
invoke_api_endpointInvoke an endpoint in the Telnyx TypeScript API. Note: use the `list_api_endpoints` tool to get the list of endpoints and `get_api_endpoint_schema` tool to get the schema for an endpoint.