Customer Relation

JustCall MCP Server

Use Studio chat to drive this server — credentials stay in your workspace.

JustCall provides a cloud-based phone system for businesses to make, receive, and track phone calls and SMS messages. It is primarily used for improving customer communication and support.

6 tools
Agent guide included
API Key
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Opens MCPBundles Studio with this server selected. After sign-in, chat and run tools from the same thread.

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AI Skill
SKILL.md

Domain knowledge for JustCall — workflow patterns, data models, and gotchas for your AI agent.

JustCall

JustCall provides a cloud-based phone system for businesses to make, receive, and track phone calls and SMS messages.

Data Model

  • Agent Analytics — agent performance metrics.
  • Calls — call records and history.
  • Contacts — contact directory.
  • Phone Numbers — provisioned numbers.
  • SMS — SMS messages sent and received.
  • Users — agents and team members.

Tools in this Server (6)

Justcall List Agent Analytics

Access analytics data on call activities for all agents in the JustCall system. Use this to assess agent performance and optimize sales dialer efficie...

Justcall List Calls

Get a full list of all phone calls made or received through your JustCall system. Use this to monitor call activity or analyze call logs for customer ...

Justcall List Contacts

Fetch a list of all contacts stored within your JustCall account. Use this when you need to manage client information or prepare for customer engageme...

Justcall List Phone Numbers

List all phone numbers associated with your JustCall account for easy inventory management. Useful for confirming number availability and managing DID...

Justcall List Sms

Retrieve a list of SMS messages sent or received through JustCall. Ideal for reviewing message history or analyzing communication patterns with client...

Justcall List Users

Retrieve a list of all users in your JustCall account. Use this to manage user availability and details within your organization. Returns user informa...

Frequently Asked Questions

What is the JustCall MCP server?

JustCall provides a cloud-based phone system for businesses to make, receive, and track phone calls and SMS messages. It is primarily used for improving customer communication and support. It provides 6 tools that AI agents can use through the Model Context Protocol (MCP).

How do I connect JustCall to my AI agent?

Add the MCPBundles server URL to your MCP client configuration (Claude Desktop, Cursor, VS Code, etc.). The URL format is: https://mcp.mcpbundles.com/bundle/justcall. Authentication is handled automatically.

How many tools does JustCall provide?

JustCall provides 6 tools that can be called by AI agents, along with a SKILL.md that gives your AI agent domain knowledge about when and how to use them.

What authentication does JustCall require?

JustCall uses API Key. JustCall requires credentials. Connect via MCPBundles and authentication is handled automatically.

Setup Instructions

Connect JustCall to any MCP client in minutes

https://mcp.mcpbundles.com/bundle/justcall

What is MCP?

Model Context Protocol lets AI tools call external capabilities securely through a single URL. This bundle groups tools behind an MCP endpoint that many clients can use.

Use this bundle in 3 steps

  1. Copy the MCP URL above
  2. Open your AI tool and add a new MCP/connector
  3. Paste the URL and follow any auth prompts

Claude Desktop Users

Skip the manual setup! Use the .mcpb file format for one-click installation. Check the Claude Desktop tab for setup instructions.

Pick your tool tab for exact steps

Select ChatGPT, Cursor, Claude Code, or another tab for copy-paste config.

Ready to chat with JustCall?

Same flow: Studio opens on this server after sign-in. Keep chatting to call tools from the conversation.

JustCall MCP Server & Skill — 6 Tools