How do I get my Account ID and API Key for FreeClimb?

Log in to your FreeClimb dashboard at https://www.freeclimb.com/dashboard to find your credentials prominently displayed on the main page.

What is an 'Application ID' required for making calls?

An Application ID points to a specific voice or SMS configuration in your FreeClimb account. You can list your active apps using the 'list_applications' tool.

Can I search for new phone numbers to buy?

Yes, use the 'list_buyable_numbers' tool to see available inventory in the FreeClimb network.

Is global SMS supported?

Yes, FreeClimb supports sending SMS messages to over 190 countries worldwide.

FreeClimb MCP Server for CrewAI 12 tools — connect in under 2 minutes

Name: FreeClimb
Availability: InStock
Author: Vinkius

docs.crewai.com/mcp/overview

Built by Vinkius GDPR 12 Tools Framework

Connect your CrewAI agents to FreeClimb through Vinkius, pass the Edge URL in the `mcps` parameter and every FreeClimb tool is auto-discovered at runtime. No credentials to manage, no infrastructure to maintain.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

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Vinkius supports streamable HTTP and SSE.

python

from crewai import Agent, Task, Crew

agent = Agent(
    role="FreeClimb Specialist",
    goal="Help users interact with FreeClimb effectively",
    backstory=(
        "You are an expert at leveraging FreeClimb tools "
        "for automation and data analysis."
    ),
    # Your Vinkius token. get it at cloud.vinkius.com
    mcps=["https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"],
)

task = Task(
    description=(
        "Explore all available tools in FreeClimb "
        "and summarize their capabilities."
    ),
    agent=agent,
    expected_output=(
        "A detailed summary of 12 available tools "
        "and what they can do."
    ),
)

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

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About FreeClimb MCP Server

Connect your FreeClimb account to any AI agent to automate your telecommunications and customer engagement through the Model Context Protocol (MCP). FreeClimb provides a robust cloud platform for making calls, sending SMS messages, and managing programmable communication logic. This MCP server enables you to initiate calls, track message history, and oversee your phone numbers directly through natural conversation.

When paired with CrewAI, FreeClimb becomes a first-class tool in your multi-agent workflows. Each agent in the crew can call FreeClimb tools autonomously, one agent queries data, another analyzes results, a third compiles reports, all orchestrated through Vinkius with zero configuration overhead.

Key Features

Programmable Voice — Initiate outbound calls using application-defined logic and retrieve detailed call metadata.
SMS Messaging — Send and receive text messages globally and monitor message delivery statuses instantly.
Application Oversight — Access and list your communication applications to maintain full context of your bot's logic.
Number Management — List owned phone numbers and search for new buyable numbers across different regions.
Conference Control — Monitor active multi-party conferences and manage participant interactions.
Account Monitoring — Retrieve real-time account status and balance information to ensure uninterrupted service.
Scalable Infrastructure — Leverage FreeClimb's carrier-grade network directly from your chat interface.

The FreeClimb MCP Server exposes 12 tools through the Vinkius. Connect it to CrewAI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect FreeClimb to CrewAI via MCP

Follow these steps to integrate the FreeClimb MCP Server with CrewAI.

Install CrewAI

Run pip install crewai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com

Customize the agent

Adjust the role, goal, and backstory to fit your use case

Run the crew

Run python crew.py. CrewAI auto-discovers 12 tools from FreeClimb

Why Use CrewAI with the FreeClimb MCP Server

CrewAI Multi-Agent Orchestration Framework provides unique advantages when paired with FreeClimb through the Model Context Protocol.

Multi-agent collaboration lets you decompose complex workflows into specialized roles, one agent researches, another analyzes, a third generates reports, each with access to MCP tools

CrewAI's native MCP integration requires zero adapter code: pass Vinkius Edge URL directly in the `mcps` parameter and agents auto-discover every available tool at runtime

Built-in task delegation and shared memory mean agents can pass context between steps without manual state management, enabling multi-hop reasoning across tool calls

Sequential and hierarchical crew patterns map naturally to real-world workflows: enumerate subdomains → analyze DNS history → check WHOIS records → compile findings into actionable reports

FreeClimb + CrewAI Use Cases

Practical scenarios where CrewAI combined with the FreeClimb MCP Server delivers measurable value.

Automated multi-step research: a reconnaissance agent queries FreeClimb for raw data, then a second analyst agent cross-references findings and flags anomalies. all without human handoff

Scheduled intelligence reports: set up a crew that periodically queries FreeClimb, analyzes trends over time, and generates executive briefings in markdown or PDF format

Multi-source enrichment pipelines: chain FreeClimb tools with other MCP servers in the same crew, letting agents correlate data across multiple providers in a single workflow

Compliance and audit automation: a compliance agent queries FreeClimb against predefined policy rules, generates deviation reports, and routes findings to the appropriate team

FreeClimb MCP Tools for CrewAI (12)

These 12 tools become available when you connect FreeClimb to CrewAI via MCP:

get_account_status

Check account and balance

get_application_details

Get app metadata

get_call_details

Get call metadata

get_sms_details

Get message metadata

list_applications

List communication apps

list_buyable_numbers

Search for new numbers

list_calls

List recent calls

list_conferences

List active conferences

list_my_numbers

List owned phone numbers

list_sms_messages

List sent/received SMS

make_call

Place a phone call

send_sms

Send an SMS message

Example Prompts for FreeClimb in CrewAI

Ready-to-use prompts you can give your CrewAI agent to start working with FreeClimb immediately.

"Send an SMS from '+1234567890' to '+10987654321' saying 'Your appointment is confirmed'."

"List all phone numbers currently in my FreeClimb account."

"Place a call from '+1234567890' to '+10987654321' using application 'app_987'."

Troubleshooting FreeClimb MCP Server with CrewAI

Common issues when connecting FreeClimb to CrewAI through the Vinkius, and how to resolve them.

MCP tools not discovered

Ensure the Edge URL is correct. CrewAI connects lazily when the crew starts. check console output.

Agent not using tools

Make the task description specific. Instead of "do something", say "Use the available tools to list contacts".

Timeout errors

CrewAI has a 10s connection timeout by default. Ensure your network can reach the Edge URL.

Rate limiting or 429 errors

Vinkius enforces per-token rate limits. Check your subscription tier and request quota in the dashboard. Upgrade if you need higher throughput.

FreeClimb + CrewAI FAQ

Common questions about integrating FreeClimb MCP Server with CrewAI.

How does CrewAI discover and connect to MCP tools?

CrewAI connects to MCP servers lazily. when the crew starts, each agent resolves its MCP URLs and fetches the tool catalog via the standard tools/list method. This means tools are always fresh and reflect the server's current capabilities. No tool schemas need to be hardcoded.

Can different agents in the same crew use different MCP servers?

Yes. Each agent has its own mcps list, so you can assign specific servers to specific roles. For example, a reconnaissance agent might use a domain intelligence server while an analysis agent uses a vulnerability database server.

What happens when an MCP tool call fails during a crew run?

CrewAI wraps tool failures as context for the agent. The LLM receives the error message and can decide to retry with different parameters, fall back to a different tool, or mark the task as partially complete. This resilience is critical for production workflows.

Can CrewAI agents call multiple MCP tools in parallel?

CrewAI agents execute tool calls sequentially within a single reasoning step. However, you can run multiple agents in parallel using process=Process.parallel, each calling different MCP tools concurrently. This is ideal for workflows where separate data sources need to be queried simultaneously.

Can I run CrewAI crews on a schedule (cron)?

Yes. CrewAI crews are standard Python scripts, so you can invoke them via cron, Airflow, Celery, or any task scheduler. The crew.kickoff() method runs synchronously by default, making it straightforward to integrate into existing pipelines.