Bring Digital Fax
to Mastra AI
Learn how to connect Telnyx Fax to Mastra AI and start using 10 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Telnyx Fax MCP Server?
Connect your Telnyx account to any AI agent and send, receive, and manage faxes through natural conversation.
What you can do
- Send Faxes u2014 Transmit PDF and TIFF documents to any fax number worldwide with delivery tracking
- Fax Management u2014 List all sent and received faxes, check delivery status, and cancel queued transmissions
- Phone Numbers u2014 View and manage all fax-enabled phone numbers in your Telnyx account
- Fax Applications u2014 Browse and configure your fax application settings including webhook URLs
- Media Library u2014 Access all uploaded documents available for faxing
How it works
1. Subscribe to this server
2. Retrieve your API Key from the Telnyx Mission Control portal
3. Start sending and managing faxes from Claude, Cursor, or any MCP client
Who is this for?
- Healthcare & Legal Teams u2014 send compliant documents via secure fax directly from your AI workflow
- Operations Teams u2014 automate high-volume fax delivery with real-time status tracking
- Developers u2014 integrate fax capabilities into automated pipelines via simple AI queries
Built-in capabilities (10)
Cancel a fax
Verify Telnyx API connectivity
Get fax details
Get fax application details
Get phone number details
List fax applications
List fax-enabled numbers
List all faxes
List media files
Requires connection ID (from), recipient number, and media URL. Send a fax
Why Mastra AI?
Mastra's agent abstraction provides a clean separation between LLM logic and Telnyx Fax tool infrastructure. Connect 10 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
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Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Telnyx Fax without touching business code
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Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
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TypeScript-native: full type inference for every Telnyx Fax tool response with IDE autocomplete and compile-time checks
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One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Telnyx Fax in Mastra AI
Telnyx Fax and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Telnyx Fax to Mastra AI through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Telnyx Fax in Mastra AI
The Telnyx Fax MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 10 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Mastra AI only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
Telnyx Fax for Mastra AI
Every tool call from Mastra AI to the Telnyx Fax MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
How do I send a fax via AI?
Use the send_fax tool with your connection ID, recipient phone number (E.164 format), and a URL to the PDF or TIFF document.
Can I check the status of a sent fax?
Yes. Use get_fax with the fax ID to see delivery status, page count, duration, and any error details.
How do I see my fax-enabled phone numbers?
Use list_fax_numbers to retrieve all phone numbers in your Telnyx account that have fax capability enabled.
How does Mastra AI connect to MCP servers?
Create an MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.
Can Mastra agents use tools from multiple servers?
Yes. Pass multiple MCP clients to the agent constructor. Mastra merges all tool schemas and the agent can call any tool from any server.
Does Mastra support workflow orchestration?
Yes. Mastra has a built-in workflow engine that lets you chain MCP tool calls with branching logic, error handling, and parallel execution.
createMCPClient not exported
Install: npm install @mastra/mcp