How to Use the Fax.Plus MCP in Claude Code

Q: How do I register the Fax.Plus server with Claude Code?

Run claude mcp add --transport http faxplus -- in your terminal. Use claude mcp list to verify that all eight tools are loaded and ready.

Q: Where does Claude Code process my Fax.Plus account details?

All requests to getaccountinfo and local transmission logs are isolated within an ephemeral sandbox. Your authentication keys and sensitive fax metadata are never exposed to public registries or logged outside your local environment.

Pipe Fax.Plus tools directly into your terminal workflows and shell scripts using Claude Code.

See Vinkius in Action

Works with every AI agent you already use

…and any MCP-compatible client

MCP Servers - Free for Subscribers

Connect Fax.Plus MCP to Claude Code

Create your Vinkius account to connect Fax.Plus to Claude Code and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

GDPR Free for Subscribers

Setup Fax.Plus with Claude Code

Ask AI about this MCP

ChatGPT

Claude

Perplexity

Command-Line Faxing and Shell Piping

You can pipe document payloads directly into Claude Code to trigger outbound transmissions. The CLI agent parses your inputs, formats the recipient number, and runs `send_fax` without leaving the terminal. Because it runs purely in the shell, you can chain the output of `list_faxes` into grep or jq to extract specific fax IDs for downstream automation scripts.

Headless Queue Monitoring for SREs

Keep tabs on your telephony infrastructure during deployments. Claude Code lets you check active transmissions using `list_outbox_jobs` and kill hung processes with `cancel_outbox_job` using quick terminal commands. This MCP Server integration allows you to write cron jobs that automatically run health checks on your active numbers by querying `list_fax_numbers` every hour.

Quick Account Diagnostics in the Terminal

When debugging API connection issues, you don't need to open a browser. Claude Code uses `get_account_info` to print your current account tier and limit details straight to stdout. If a specific transmission fails, you can quickly pass the job ID to `get_fax_details` to inspect the raw error codes and delivery logs inside this MCP Server environment.

Setup guide

Set up Fax.Plus MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see faxplus-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Fax.Plus transactions." It will automatically discover and invoke the available Fax.Plus tools.

Terminal

claude mcp add --transport http faxplus-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the Fax.Plus MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "faxplus-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Fax.Plus. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

Why Choose Vinkius

Vinkius connects your tools to AI with real-time monitoring and automatic cost savings — all from one dashboard.

Connect Fax.Plus now

Real-time monitoring

Live

visibility into every interaction

Connect your favorite tools to your AI and see exactly what's happening — every request, every response, in real time.

Built-in savings

60%

lower AI costs

Vinkius compresses data between your apps and your AI automatically. Lower bills every month — no configuration required.

Single dashboard

One

place for every integration

Every tool your AI connects to, managed from a single screen. One account, complete control.

Common questions about Fax.Plus MCP in Claude Code

Run `claude mcp add --transport http faxplus -- ` in your terminal. Use `claude mcp list` to verify that all eight tools are loaded and ready.

Yes, you can write shell scripts that call Claude Code headlessly to automate tasks like running `list_faxes` to parse recent transmissions.

Ask the CLI agent to cancel the job, and it will identify the job ID using `list_outbox_jobs` and execute `cancel_outbox_job` to stop it.

Yes, run a quick query asking Claude Code to search for numbers in a specific area code, and it will return the raw list using `search_available_numbers`.

All requests to `get_account_info` and local transmission logs are isolated within an ephemeral sandbox. Your authentication keys and sensitive fax metadata are never exposed to public registries or logged outside your local environment.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

OpenAI Agents SDK sdk-python

Google ADK sdk-python

Pydantic AI sdk-python

Vercel AI SDK sdk-typescript