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Justcall MCP Server

@saaslabsco

基本情報

カテゴリ

その他

トランスポート

stdio

認証方式

oauth

作者

saaslabsco

投稿者

SaaS Labs Engineering

Justcall MCP Server について

The JustCall Model Context Protocol (MCP) Server lets Large Language Models (LLMs) and AI agents make real-world voice calls and send SMS directly through JustCall’s APIs — securely, contextually, and programmatically.

#messaging#calling#cloud-phone#communication

Justcall MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "justcall": {
      "url": "https://mcp.justcall.host/mcp",
      "headers": {
        "Authorization": "Bearer <JUSTCALL_API_KEY>:<JUSTCALL_API_SECRET>"
      }
    }
  }
}

Justcall MCP Server のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

このサーバーは認証が必要です。ツールの取得にはログインや提供元の認証情報が必要な場合があります。

上のボタンでサーバーのエンドポイントに接続し、ツール一覧を取得できます。

概要

What is JustCall MCP Server?

JustCall MCP Server lets Large Language Models (LLMs) and AI agents make real-world voice calls and send SMS directly through JustCall’s APIs, providing a function-calling interface for conversational AI systems.

How to use JustCall MCP Server?

Install Node.js, then configure your MCP client (e.g., Claude Desktop) by adding the server details to its config file using your JustCall API key and secret. For remote access, connect via Streamable HTTP Transport to https://mcp.justcall.host/mcp with bearer token authentication.

Key features of JustCall MCP Server

  • AI-powered calling: initiate, manage, or transcribe calls
  • Smart messaging: send or respond to SMS within conversations
  • Seamless integration with any LLM runtime via MCP standard
  • Secure authentication using JustCall API key and secret
  • Remote connection via Streamable HTTP Transport

Use cases of JustCall MCP Server

  • Enable your AI chatbot to place outbound voice calls to customers
  • Let an AI agent send or reply to SMS during a conversation
  • Integrate telephony capabilities into orchestration frameworks and LLM runtimes

よくある質問

1

What are the prerequisites to run the server?

You need Node.js (which includes npm and npx) installed on your system. The LTS version is recommended.

2

How do I authenticate with JustCall MCP Server?

Get your JustCall API key and secret from the JustCall dashboard at `https://app.justcall.io/app/developersApiCredentials`. Include them as a bearer token in the request headers, for example `Authorization: <JUSTCALL_API_KEY>:<JUSTCALL_API_SECRET>`.

3

How do I connect to the remote MCP server?

Connect to `https://mcp.justcall.host/mcp` from any MCP client using Streamable HTTP Transport, and include your JustCall API key as a bearer token.

4

What transport does the remote server use?

The recommended and default transport is Streamable HTTP. You can also use the `supergateway` npx command with the `--streamableHttp` flag.

5

Can I develop or test the server locally?

Yes, clone the repository, install dependencies with `pnpm install`, build with `pnpm run build`, and test using `pnpm run inspector`.

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