JustCall MCP Server with 12 Tools for Claude, Cursor, and AI Agents
Make and receive business calls from any device with a cloud phone system that logs every interaction in your CRM automatically. Vinkius routes your AI agents directly to JustCall through a governed connection. 12 tools ready to use with Claude, ChatGPT, Cursor, or any AI agent — no hosting, no setup, connect in 30 seconds.
Ask AI about this server
Compatible with every major AI agent and IDE

* 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
What is the JustCall MCP Server?
The JustCall MCP Server routes AI agents like Claude, ChatGPT, and Cursor directly to JustCall via 12 tools. Make and receive business calls from any device with a cloud phone system that logs every interaction in your CRM automatically. Powered by Vinkius — your credentials stay on your side of the connection, every request is auditable. Connect in under 2 minutes.
Built-in capabilities (12)
Tools for your AI Agents to operate JustCall
Ask your AI agent "Show today's call log and send a follow-up SMS to the last caller." and get the answer without opening a single dashboard. With 12 tools connected to real JustCall data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.
Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by Vinkius — your credentials never touch the AI model, every request is auditable. Connect in under two minutes.
Why teams choose Vinkius
One subscription gives you the infrastructure to connect your AI agents to thousands of MCP servers — and deploy your own to the Vinkius Edge. Your credentials stay yours. Your data flows directly between your agent and the API. DLP blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade routing and governance, zero maintenance.
Build your own MCP Server with our secure development framework →The JustCall App Connector works with every AI agent you already use
…and any MCP-compatible client


















Use all 12 JustCall tools with your AI agents right now
Vinkius routes your AI agents to JustCall through a governed proxy. Beyond a simple connection, you get full visibility into every action your agents perform, with enterprise-grade security and up to 60% savings on AI costs.
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
What the JustCall MCP Server unlocks
Connect your JustCall account to any AI agent and manage phone communications through natural conversation.
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
How it works
1. Subscribe to this server
2. Enter your JustCall API Key and API Secret
3. Start managing calls from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Sales Teams — make calls, send follow-up SMS, and track communication history
- Support Teams — manage call queues and monitor agent performance
- Operations — automate phone outreach and SMS campaigns
Frequently asked questions about the JustCall MCP Server
Can I make calls and send SMS through the AI agent?
Yes. Make outbound calls with destination number and track status. Send SMS messages to any contact with delivery tracking. Use contact management tools to find recipient numbers.
Does JustCall require two credentials?
Yes. JustCall uses an API Key and API Secret pair for authentication. Both are sent as Bearer credentials against api.justcall.io/v1.
Can I listen to call recordings and track agent performance?
Yes. Access call recordings with duration and metadata. Monitor agent call volumes, average handle time, and availability status.
More in this category

2Chat
5 toolsProgrammable WhatsApp automation — send messages, manage groups, and verify numbers via AI.

Kustomer
10 toolsManage customer service — list conversations, audit customers, and search timelines.

Freshcaller
12 toolsManage your cloud phone system, track calls, and oversee agents via AI agents with Freshcaller.

Toky
10 toolsHandle business calls from anywhere with a cloud phone system that includes IVR, call recording, and CRM integration.
You might also like

Haystack (deepset Cloud)
7 toolsBuild and manage AI-powered search and RAG pipelines via deepset Cloud — search documents, run pipelines, and manage workspaces.

HigherGov
12 toolsFind and track government contracts, grants, and procurement opportunities with intelligence built for public sector vendors.

Lalamove Malaysia
10 toolsOrchestrate Lalamove Malaysia deliveries — get quotations, manage orders, and track drivers directly from any AI agent.

Hiver
12 toolsTurn Gmail into a helpdesk with shared labels, email assignment, and SLA tracking that works inside the inbox your team already uses.
We built the connector to JustCall. Now put your agents to work. Fully governed.
Vinkius is the AI Gateway with managed hosting. Stop building connectors. Every connection runs inside eight layers of security.
Hosted, sandboxed, and live on AWS. You don't provision anything. You don't maintain anything. You connect.
Every tool call, every token, every response. Logged and auditable. Data flows direct from JustCall to your agent. Nothing is stored on our side. Ever.
Eight governance layers on every request. Sensitive data redacted before it reaches the model. Kill switch if anything goes sideways. Always on.
