Bring Digital Fax
to Claude Code
Learn how to connect Telnyx Fax to Claude Code 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 Claude Code?
Claude Code registers Telnyx Fax as an MCP server in a single terminal command. Once connected, Claude Code discovers all 10 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where Telnyx Fax data drives decisions without human intervention.
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Single-command setup:
claude mcp addregisters the server instantly. no config files to edit or applications to restart - —
Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks
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Claude Code runs headlessly, enabling unattended batch processing using Telnyx Fax tools in cron jobs or deployment scripts
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Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features
Telnyx Fax in Claude Code
Telnyx Fax and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Telnyx Fax to Claude Code 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 Claude Code
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 Claude Code 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 Claude Code
Every tool call from Claude Code 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 do I add an MCP server to Claude Code?
Run claude mcp add --transport http "" in your terminal. Claude Code registers the server and discovers all tools immediately.
Can Claude Code run MCP tools in headless mode?
Yes. Claude Code supports non-interactive execution, making it ideal for scripts, cron jobs, and CI/CD pipelines that need MCP tool access.
How do I list all connected MCP servers?
Run claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.
Command not found: claude
Ensure Claude Code is installed globally: npm install -g @anthropic-ai/claude-code
Connection timeout
Check your internet connection and verify the Edge URL is reachable
