JustCall MCP Server for Google ADKGive Google ADK instant access to 12 tools to Create Contact, Get Account Profile, Get Call Details, and more
GDPR Free for SubscribersGoogle Agent Development Kit (ADK) is Google's framework for building production AI agents. Add JustCall as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.
Ask AI about this MCP Server for Google ADK
The JustCall MCP Server for Google ADK is a standout in the Customer Support category — giving your AI agent 12 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
Geminifrom google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
StreamableHTTPConnectionParams,
)
# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
connection_params=StreamableHTTPConnectionParams(
url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
)
)
agent = Agent(
model="gemini-2.5-pro",
name="justcall_alternative_agent",
instruction=(
"You help users interact with JustCall "
"using 12 available tools."
),
tools=[mcp_tools],
)
* 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
About JustCall MCP Server
Connect your JustCall account to any AI agent and manage phone communications through natural conversation.
Google ADK natively supports JustCall as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 12 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.
What you can do
- Call Management — Make outbound calls, track call logs with duration and status
- SMS Messaging — Send text messages to contacts and track delivery
- Contact Database — List contacts, create new entries, and inspect profiles
- Call Recordings — Access call recordings with metadata
- Phone Numbers — List available and assigned phone numbers
- Agent Monitoring — Track agent performance, call volumes, and availability
The JustCall MCP Server exposes 12 tools through the Vinkius. Connect it to Google ADK in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 12 JustCall tools available for Google ADK
When Google ADK connects to JustCall through Vinkius, your AI agent gets direct access to every tool listed below — spanning cloud-phone, sms-messaging, call-logging, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.
Create contact on JustCall
Create a new contact
Get account profile on JustCall
Get my profile
Get call details on JustCall
Get call details
Get contact on JustCall
Get contact details
Get message details on JustCall
Get message details
List account numbers on JustCall
List JustCall numbers
List calls on JustCall
List phone calls
List contacts on JustCall
List phone contacts
List messages on JustCall
List SMS/MMS messages
List team users on JustCall
List team members
List webhooks on JustCall
List active webhooks
Send message on JustCall
Send SMS/MMS
Connect JustCall to Google ADK via MCP
Follow these steps to wire JustCall into Google ADK. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install Google ADK
pip install google-adkReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenCreate the agent
Explore tools
Why Use Google ADK with the JustCall MCP Server
Google ADK provides unique advantages when paired with JustCall through the Model Context Protocol.
Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution
Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with JustCall
Production-ready features like session management, evaluation, and deployment come built-in. not bolted on
Seamless integration with Google Cloud services means you can combine JustCall tools with BigQuery, Vertex AI, and Cloud Functions
JustCall + Google ADK Use Cases
Practical scenarios where Google ADK combined with the JustCall MCP Server delivers measurable value.
Enterprise data agents: ADK agents query JustCall and cross-reference results with internal databases for comprehensive analysis
Multi-modal workflows: combine JustCall tool responses with Gemini's vision and language capabilities in a single agent
Automated compliance checks: schedule ADK agents to query JustCall regularly and flag policy violations or configuration drift
Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including JustCall
Example Prompts for JustCall in Google ADK
Ready-to-use prompts you can give your Google ADK agent to start working with JustCall immediately.
"Show today's call log and send a follow-up SMS to the last caller."
"List all agents, their call volumes, and available phone numbers."
"Show call recordings from this week and the contact database."
Troubleshooting JustCall MCP Server with Google ADK
Common issues when connecting JustCall to Google ADK through Vinkius, and how to resolve them.
McpToolset not found
pip install --upgrade google-adkJustCall + Google ADK FAQ
Common questions about integrating JustCall MCP Server with Google ADK.
How does Google ADK connect to MCP servers?
Can ADK agents use multiple MCP servers?
Which Gemini models work best with MCP tools?
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