JustCall

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).

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.

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.

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