How to Use the Fax.Plus MCP in CrewAI

Q: How do I add Fax.Plus tools from this MCP Server to a CrewAI agent?

You can pass the HTTP endpoint URL directly into the mcps array when initializing your agent. For advanced configurations, use MCPServerHTTP to filter specific tools for different agents in your crew.

Q: Can a CrewAI agent cancel a stuck Fax.Plus transmission?

Yes, an agent can use canceloutboxjob to abort a pending transmission. You can assign this task to a specialized supervisor agent that monitors your outbox.

Q: How do CrewAI agents collaborate on Fax.Plus document logs?

One agent can use listfaxes to gather recent transmission logs, while another agent analyzes the metadata. They share this data through CrewAI's memory system to coordinate their auditing tasks.

Q: Can I restrict which agents have access to this MCP Server's send tools?

Use the toolfilter option in MCPServerHTTP to limit tool access. This ensures only your designated dispatch agent can call sendfax, while others only read incoming logs.

Run autonomous multi-agent teams to manage, audit, and dispatch faxes using CrewAI.

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Connect Fax.Plus MCP to CrewAI

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

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Setup Fax.Plus with CrewAI

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Manage queues with a CrewAI agent team

The `list_outbox_jobs` tool tracks active and pending transmissions in your queue. In a CrewAI setup, a monitoring agent can watch this list while a coordinator agent decides which jobs need immediate attention. If the monitor spots a stalled job, it passes the ID to a moderator agent to run `cancel_outbox_job`. This collaborative feedback loop keeps your transmission pipeline clear without human intervention.

Audit communication history autonomously

The `list_faxes` tool retrieves the complete history of sent and received documents. Your research agent can pull this list, while an analyst agent cross-references the IDs to verify compliance. When the analyst needs more context on a specific entry, it invokes `get_fax_details` to inspect the recipient details. This team-based approach ensures your records match your internal database perfectly.

Scale your telephony setup using this MCP Server

The `search_available_numbers` tool locates new numbers based on your regional requirements. Your expansion agent can find options, and a supervisor agent can approve the selection based on your current inventory. The supervisor then runs `list_fax_numbers` to confirm the new line is active. This multi-step process runs completely in the background, allowing your crew to scale your infrastructure on demand.

Setup guide

Set up Fax.Plus MCP in CrewAI

Prerequisites

Python 3.10+ installed
crewai package (pip install crewai)
Active Vinkius subscription with a valid endpoint token

1

Install CrewAI
Run pip install crewai to install the framework. MCP support is built-in via the mcps parameter.
2

Add the MCP URL to your agent
Pass your Vinkius endpoint directly to the mcps list. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. CrewAI handles tool discovery and caching automatically.
3

Kick off your crew
Create a Crew with your agent and tasks. Call crew.kickoff() — the agent will automatically invoke Fax.Plus tools as needed.

crew.py

from crewai import Agent, Task, Crew

agent = Agent(
    role="Fax.Plus Analyst",
    goal="Access and analyze Fax.Plus data via MCP.",
    backstory="Expert analyst with direct Fax.Plus access.",
    mcps=[
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ],
)

task = Task(
    description="List recent Fax.Plus transactions",
    agent=agent,
    expected_output="A summary of recent activity",
)

crew = Crew(agents=[agent], tasks=[task])
result = crew.kickoff()
print(result)

Get your connection token →

Prerequisites

Python 3.10+ installed
crewai + crewai-tools packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run pip install crewai crewai-tools. The MCPServerAdapter handles lifecycle management and tool conversion.
2

Connect with MCPServerAdapter
Use MCPServerAdapter as a context manager with SseServerParameters pointing to your Vinkius endpoint. The adapter automatically manages connection lifecycle.
3

Assign tools and run
Pass the returned mcp_tools to your agent's tools parameter. The adapter converts MCP tools to native BaseTool objects compatible with all CrewAI agents.

crew.py

from crewai import Agent, Task, Crew
from crewai_tools import MCPServerAdapter
from mcp import SseServerParameters

server_params = SseServerParameters(
    url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
)

with MCPServerAdapter(server_params) as mcp_tools:
    agent = Agent(
        role="Fax.Plus Analyst",
        goal="Access and analyze Fax.Plus data via MCP.",
        backstory="Expert analyst with direct Fax.Plus access.",
        tools=mcp_tools,
    )

    task = Task(
        description="List recent Fax.Plus transactions",
        agent=agent,
        expected_output="A summary of recent activity",
    )

    crew = Crew(agents=[agent], tasks=[task])
    result = crew.kickoff()
    print(result)

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.

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Common questions about Fax.Plus MCP in CrewAI

You can pass the HTTP endpoint URL directly into the `mcps` array when initializing your agent. For advanced configurations, use `MCPServerHTTP` to filter specific tools for different agents in your crew.

Yes, an agent can use `cancel_outbox_job` to abort a pending transmission. You can assign this task to a specialized supervisor agent that monitors your outbox.

One agent can use `list_faxes` to gather recent transmission logs, while another agent analyzes the metadata. They share this data through CrewAI's memory system to coordinate their auditing tasks.

Use the `tool_filter` option in `MCPServerHTTP` to limit tool access. This ensures only your designated dispatch agent can call `send_fax`, while others only read incoming logs.

Your API tokens are managed at the network boundary and never exposed to the CrewAI Python runtime. The server runs inside an ephemeral, zero-trust sandbox to prevent unauthorized access to your phone numbers.

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