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Telnyx

Explore the Telnyx REST API, make test requests, and consult SDK documentation through MCP.

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Install Telnyx

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No confirmed install command yet

We only publish a config when the install details come from the project itself — its README, its docs, or a verified owner. We haven’t found those for telnyx, and we’d rather show nothing than a guess you’d paste into your client.

Open setup steps on GitHub

Overview

The telnyx MCP server lets AI assistants explore the Telnyx REST API, make test requests, and use API documentation while integrating the TypeScript SDK. It runs through the `telnyx-mcp` package with `npx` and can receive Telnyx credentials through MCP client environment settings. Reach for it when an agent needs to inspect Telnyx endpoints or prototype communications API calls. The repository also provides the underlying server-side TypeScript and JavaScript client library.

Use cases

  • Explore Telnyx API endpoints before implementation
  • Make test requests against the Telnyx REST API
  • Consult Telnyx documentation while integrating the SDK
  • Prototype messaging and calling API workflows

Key features

  • Telnyx REST API endpoint exploration
  • Test API requests
  • Documentation-assisted SDK integration
  • npx-based MCP startup
  • Environment-based credential configuration

Security & health

What it can reach and how reliably it runs — from our own checks, not the maintainer’s claims.

ActiveLast checked Today

Recent health check succeeded.

8/8 checks healthy over the last 46d

Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks — not a rating.

GitHub stars198Stargazers on the source repository.
Last commit2d agoMost recent push to the default branch.
Directory activity3 viewsConfig copies, upvotes, and views on AllMCPs.

How Telnyx works

What telnyx does

The telnyx MCP server exposes an AI-facing interface to the Telnyx REST API. It is intended for assistants that need to inspect available API endpoints, send test requests, and consult documentation while helping integrate Telnyx into an application.

The repository is also the source for Telnyx's official TypeScript library, generated with Stainless. That library provides typed access to the REST API for server-side TypeScript and JavaScript applications. The MCP capability is the relevant part for agent workflows; the SDK remains useful when moving from exploration to application code.

How it works

An MCP-compatible client starts the telnyx-mcp package with npx. The assistant can then use the server to explore Telnyx API operations and make requests against the API. Credentials are supplied through environment variables configured in the MCP client rather than embedded in prompts or source files.

The documented MCP setup uses the following command pattern:

Terminal
npx -y telnyx-mcp

The available configuration examples include an API key, public key, client ID, and client secret. The exact credentials needed depend on the Telnyx operation being used. Keep these values in the client configuration and handle them as secrets.

Setup and configuration

Configure the server in an MCP client that supports the standard command-based setup. The repository includes installation links for Cursor and VS Code, and notes that environment variables may need to be set directly in the MCP client.

The documented variables are:

  • TELNYX_API_KEY
  • TELNYX_PUBLIC_KEY
  • TELNYX_CLIENT_ID
  • TELNYX_CLIENT_SECRET

The server is launched locally through the npm package command.

Tools and capabilities

The telnyx MCP server supports these documented agent activities:

  • Browse and inspect Telnyx API endpoints.
  • Make test requests to the Telnyx API.
  • Use API documentation while integrating the SDK.
  • Investigate API functionality before implementing it in TypeScript or JavaScript.

The underlying API library includes examples for phone-number search and ordering, messaging, inbound messaging webhooks, webhook signature verification, Call Control, AI, addresses, and connections. These examples describe the broader Telnyx SDK and should not be interpreted as a complete list of MCP-specific tool names.

Limitations and notes

It also does not document permission boundaries, rate limits specific to MCP usage, or whether every SDK operation is exposed as an MCP action.

Requests still depend on valid Telnyx credentials and API behavior. For application code, the TypeScript library documents typed request and response definitions, API error classes, and configurable retries; those SDK features are separate from the MCP server interface. The repository excerpt does not state a license for the MCP package or library.

Read the full README View source on GitHub

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Frequently Asked Questions about Telnyx

telnyx is an MCP server that connects AI assistants to the Telnyx REST API. Its main tools let agents explore API endpoints, make test requests, and use Telnyx documentation while integrating the official TypeScript and JavaScript SDK into an application.

Run the server with `npx -y telnyx-mcp` from your MCP client configuration. The repository also provides installation links for Cursor and VS Code. You may need to add the Telnyx environment variables directly in the client.

Configure `TELNYX_API_KEY`, `TELNYX_PUBLIC_KEY`, `TELNYX_CLIENT_ID`, and `TELNYX_CLIENT_SECRET` as needed by your Telnyx operations.

Yes, the repository provides a Cursor installation link for the telnyx MCP server. Its configuration launches `npx -y telnyx-mcp` and includes placeholders for the Telnyx credentials.

Yes, the repository provides an installation link for VS Code. The shown configuration starts `telnyx-mcp` with `npx` and passes Telnyx credentials through environment variables.

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