JustCall MCP Server

Name: JustCall MCP Server
Author: saaslabsco

作者：saaslabsco版本 1.2.0i★ –i在云端运行

注册名称host.justcall.mcp/justcall-mcp-server

安装

概览

作者提供的说明（英文原文）

JustCall MCP Server enables LLMs and AI agents to make voice calls and send SMS via JustCall APIs.

PopNx MCP 的三大支柱

这三项永远不会合并成一个分数：意见、测量和人气是不同的东西。

用户评价i暂无评价评价功能将在后续阶段与账户功能一起开放
我们的基础检查i1 项中通过 1 项依据公开信息检查；尚未扫描代码
使用情况i尚未统计★ –

它能帮你做什么

我们还没有为它写通俗的介绍。下面是我们从注册中心读取到的事实。

连接方式: 在云端运行
传输方式: Streamable HTTP, SSE
分类: 聊天与邮件

安装

选择你使用的 AI 应用，然后复制设置。

安装之前

基础检查：1 项中通过 1 项
在作者的服务器上运行：你向它提出的内容会经过他们的服务器。
注册中心没有列出需要填写的密钥。

你需要

在云端运行无需安装任何东西，通过互联网连接

你用的是哪个应用？

ClaudeClaude CodeCursorVS CodeChatGPT

在上方选择你的应用。我们会记住它，下次按钮会显示“安装到 …”。

适用于网页版、桌面版和手机版 Claude：

打开 Settings → Connectors
点击 Add custom connector
粘贴下面的地址，然后点击 Add
如果要求登录，请登录作者的服务

https://mcp.justcall.host/mcp

在终端中运行这条命令

claude mcp add --transport http justcall https://mcp.justcall.host/mcp

在 Cursor 中打开

或者自己复制设置

粘贴到项目中的 .cursor/mcp.json，或 ~/.cursor/mcp.json

{
  "mcpServers": {
    "justcall": {
      "url": "https://mcp.justcall.host/mcp"
    }
  }
}

浏览器会先询问是否打开应用，然后应用会显示设置并请你确认。密钥的值会留空，由你自己填写。

在 VS Code 中打开

或者自己复制设置

粘贴到项目中的 .vscode/mcp.json

{
  "servers": {
    "justcall": {
      "type": "http",
      "url": "https://mcp.justcall.host/mcp"
    }
  }
}

浏览器会先询问是否打开应用，然后应用会显示设置并请你确认。密钥的值会留空，由你自己填写。

ChatGPT 只能连接互联网上的服务器：

打开网页版 ChatGPT → Settings → Connectors (Apps)
点击 Create 或 Add（部分套餐需要先在 Advanced 中开启 Developer mode）
粘贴下面的地址，起个名字，然后保存
如果要求登录，请登录作者的服务

https://mcp.justcall.host/mcp

菜单名称可能因套餐和版本不同而略有差异。

你的选择通过 Cookie 保存在这台设备上，无需账户。

这些设置是根据作者在注册中心的条目生成的。如果 README 的写法不同，请以 README 为准。

它能做什么

我们还没有读取这个服务器的工具列表；我们会轮流检查各个端点。

基础检查i

我们检查的是任何人都能看到的信息；我们没有阅读代码。不适用的检查项不计入总数。 · 检查于 2026年11月7日

✓ 通过
作者与仓库一致
注册名称已通过域名 mcp.justcall.host 验证（注册中心会核实域名所有权）
… 尚未检查
仍在维护
我们还没有从 GitHub 读取这个仓库
… 尚未检查
有许可证
我们还没有从 GitHub 读取这个仓库
… 尚未检查
端点有响应
尚未检查；我们会轮流检查各个端点
… 尚未检查
使用 OAuth 登录
尚未检查；我们会轮流检查各个端点
… 尚未检查
工具描述中没有隐藏指令
尚未检查；我们会在检查端点时读取工具列表

与“聊天与邮件”中的其他服务器比较i

星标数多于此分类中其他 1830 个服务器的 0%
发布到注册中心的时间比此分类中其他 1830 个服务器的 1% 更新
基础检查结果等于或优于此分类中其他 1830 个服务器的 100%

与注册中心里这个分类中所有活跃的服务器比较。只有当发布者拥有该仓库时，星标数才计入。

常见问题

JustCall MCP Server 安全吗？

它在 1 项适用的基础检查中通过了 1 项。我们没有阅读代码。在添加密钥或令牌之前，请先看看这个服务器要求哪些权限，并使用只具备所需权限的密钥。

它需要哪些密钥或代码？

注册中心没有列出必需的密钥，不过有些服务器会在首次使用时要求你登录。

它在我的电脑上运行还是在云端？

它在作者的云端运行。通过互联网连接，无需安装，但你发送的内容会经过作者的服务器。

它还在维护吗？

GitHub 仓库最后更新于–，最新版本（1.2.0）于11个月前进入注册中心。

哪些应用可以使用它？

支持 MCP 的应用，例如 Claude Desktop、Claude Code、Cursor 和 VS Code。它通过 URL 连接，所以接受远程 MCP 服务器的应用也可以使用，例如开启开发者模式的 ChatGPT。

有什么可以替代它？

同一分类中有：Vexa, emailmd, MCP WhatsApp Cloud

替代选择

同一分类中其他作者的服务器，按星标数排序。

如何看卡片：★ GitHub 星标i三大支柱：评价 · 检查 · 使用情况i更新 = 最新版本发布到注册中心的时间i

Vexa

作者：Vexa-ai

Meeting bot and transcripts for Google Meet, Teams and Zoom. Live or after, speakers labelled.

在云端运行★ 2,949Apache-2.02个月前更新

安装

emailmd

作者：anypost

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

电脑或云端★ 1,385MIT32天前更新

安装

MCP WhatsApp Cloud

作者：codespar

MCP server for WhatsApp Cloud API (Meta) — messages, media, and templates via Graph API

在你的电脑上运行★ 277MIT5个月前更新

安装

作者的 README

打开 README

按原文从作者的仓库复制。PopNx MCP 没有审查或背书其内容。HTML、图片和脚本已被移除。链接会离开本站。

JustCall MCP Server

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.

It provides a function-calling interface for conversational AI systems, enabling:

📞 AI-powered calling: Let your LLM initiate, manage, or transcribe calls using JustCall.
💬 Smart messaging: Allow your AI agent to send or respond to SMS within conversations.
⚙️ Seamless integration: Use the MCP standard to connect JustCall’s telephony capabilities with any LLM runtime or orchestration framework.

In short: It gives your LLMs a voice and a phone number — turning chatbots into truly conversational agents.

Claude Desktop Setup

Open Claude Desktop and press CMD + , to go to Settings.
Click on the Connectors tab.
Click on the Add Custom Connector button.
Add name as JustCall and Remote Server Url as https://mcp.justcall.host/mcp.
Now on JustCall from the Connectors list click on Connect button for JustCall.
It will open a JustCall page requesting API key and secret.
Get your JustCall API Key & Secret from the JustCall dashboard (https://app.justcall.io/app/developersApiCredentials).
Enter the API key and Secret and press Continue, it should redirect back you to Claude.

Claude Web - https://claude.ai

Open connectors url in your Browser - https://claude.ai/settings/connectors.
Click on the Connectors tab.
Click on the Add Custom Connector button.
Add name as JustCall and Remote Server Url as https://mcp.justcall.host/mcp.
Now on JustCall from the Connectors list click on Connect button for JustCall.
It will open a JustCall page requesting API key and secret.
Get your JustCall API Key & Secret from the JustCall dashboard (https://app.justcall.io/app/developersApiCredentials).
Enter the API key and Secret and press Continue, it should redirect back you to Claude.

Chat GPT (Only available on Plus, Pro, Business and Enterprise)

Open connectors url in your Browser - https://chatgpt.com/#settings/Connectors.
Click on the Apps & Connectors tab.
Ensure developer mode is enabled in advanced settings
Click on the Create button.
Add name as JustCall and MCP Server Url as https://mcp.justcall.host/mcp. You can skip other fields.
Now on JustCall from the Connectors list click on Connect button for JustCall.
It will open a JustCall page requesting API key and secret.
Get your JustCall API Key & Secret from the JustCall dashboard (https://app.justcall.io/app/developersApiCredentials).
Enter the API key and Secret and press Continue, it should redirect back you to Chat GPT.

Remote MCP

To connect to JustCall's MCP server remotely:

Streamable HTTP (Recommended)

The default and recommended way to connect is via Streamable HTTP Transport:

Connect to https://mcp.justcall.host/mcp from any MCP client using Streamable HTTP Transport
Include your JustCall API key as a bearer token in the request headers
Example header: Authorization: Bearer :

Authentication & Security

The JustCall MCP Server implements OAuth2 authentication for secure access to all endpoints.

OAuth2 Configuration

The server supports OAuth2 authorization with the following features:

Authorization Endpoint: OAuth2 authorization server metadata is available at /.well-known/oauth-authorization-server
Grant Type: Authorization code flow with PKCE (Proof Key for Code Exchange)
Code Challenge Method: S256 (SHA-256)
Token Authentication: All MCP and SSE endpoints require Bearer token authentication

Protected Endpoints

The following endpoints require valid Bearer token authentication:

/mcp - Main MCP endpoint
/sse - Server-Sent Events endpoint
/sse/message - SSE message endpoint

Authentication Header Format

Include your JustCall API credentials as a Bearer token:

Authorization: Bearer <JWT_TOKEN_BY_OAUTH>

Authorization: Bearer :

Public Endpoints

The following endpoints are publicly accessible:

/health - Health check endpoint (returns 200 OK)
/.well-known/oauth-authorization-server - OAuth2 authorization server metadata

API Usage & Rate Limits

This MCP server uses the JustCall Developer API. All API requests are subject to the rate limits associated with your JustCall API key. Please refer to your JustCall API credentials configuration.

Available Tools

The JustCall MCP Server provides 66 tools organized into the following categories:

JustCall API Tools

📞 Calls (6 tools)

list_calls - Lists all JustCall calls with various filtering options
get_call - Get a specific JustCall call by ID
update_call - Update a JustCall call (disposition, notes, rating)
get_call_journey - Fetch the sequence of events for a specific call
get_voice_agent_data - Get voice agent data for a specific call (deprecated, use get_voice_agent_call)
get_voice_agent_call - Retrieve voice agent related data for a specific call

👥 Users & Agents (3 tools)

list_users - List all users/agents in the account
get_user - Get detailed information for a specific user/agent
update_user_availability - Update a user's availability status to available or unavailable for calls

💬 SMS & Messaging (11 tools)

send_sms - Send an SMS/text message to a contact
list_sms - Retrieve all SMS/text messages
get_sms - Get detailed information for a specific SMS/text message
check_sms_reply - Check for the most recent inbound SMS reply from a specific contact
list_sms_tags - Retrieve all SMS tags used for organizing text messages
get_sms_tag - Get detailed information for a specific SMS tag
create_sms_tag - Create a new tag for organizing SMS conversations
delete_sms_tag - Delete a specific SMS tag
list_sms_threads - Retrieve all SMS threads/conversations associated with a JustCall number
get_sms_thread - Retrieve a specific SMS thread/conversation by ID
add_sms_thread_tag - Add tag to an SMS thread/conversation

📇 Contacts (6 tools)

list_contacts - Retrieve all contacts from the CRM
get_contact - Retrieve detailed information for a specific contact by ID
create_contact - Create a new contact in the CRM
update_contact - Update/modify details of an existing contact
update_contact_status - Add or remove a contact from DND/DNM/Blacklist lists
add_contacts_blacklist - Add one or more contacts to the global blacklist in bulk

📊 Analytics (4 tools)

get_agent_analytics - Retrieve agent analytics data for specified date range
get_account_analytics - Retrieve account analytics data for specified date range
get_number_analytics - Retrieve number analytics data for specified date range
get_sales_dialer_analytics - Retrieve comprehensive analytics data for sales dialer campaigns

🔔 Webhooks (2 tools)

list_webhooks - Retrieve all configured webhooks
create_webhook - Create a new webhook endpoint to receive real-time notifications

📱 Phone Numbers (2 tools)

list_numbers - Retrieve all JustCall phone numbers
get_number - Retrieve detailed information for a specific JustCall phone number

👥 User Groups (2 tools)

list_user_groups - Retrieve all user groups defined in the account
get_user_group - Retrieve detailed information for a specific user group by ID

📅 Appointments (3 tools)

list_appointment_slots - Retrieve all available time slots for appointments on a specific calendar
create_appointment - Schedule a new appointment on a specific calendar
get_appointment - Retrieve details of a specific appointment by its ID

💚 WhatsApp (5 tools)

list_whatsapp_messages - Retrieve all WhatsApp messages associated with the account
get_whatsapp_message - Retrieve detailed information for a specific WhatsApp message by ID
send_whatsapp_message - Send a new WhatsApp message to a contact number
list_whatsapp_templates - Retrieve all WhatsApp message templates available in the account
check_whatsapp_message_reply - Check for the most recent inbound WhatsApp message from a contact

🤖 AI Analysis (4 tools)

list_calls_ai_analysis - Retrieve AI-generated analysis (transcription, summary, insights) for all calls
get_call_ai_analysis - Retrieve AI-generated analysis for a specific call by Call ID
list_meetings_ai_analysis - Retrieve AI-generated analysis for recorded meetings (Zoom, Google Meet)
get_meeting_ai_analysis - Retrieve AI-generated analysis for a specific meeting by Instance ID

🎙️ Voice Agents (2 tools)

list_voice_agents - Retrieve all AI voice agents associated with the account
create_voice_agent_call - Initiate an outbound call from a configured AI voice agent to a contact

Sales Dialer Tools

📢 Campaigns (6 tools)

list_campaigns - Retrieve all sales dialer campaigns
get_campaign - Retrieve detailed information for a specific sales dialer campaign
create_campaign - Create a new sales dialer campaign
update_campaign - Update campaign details including name, description, status, and assignments
list_salesdialer_campaign_contacts - Retrieve all contacts in a specific campaign
add_salesdialer_campaign_contact - Add contact to a specific campaign

👥 Contacts (8 tools)

list_salesdialer_contacts - Retrieve all contacts from Sales Dialer
get_salesdialer_contact - Retrieve detailed information for a specific contact by ID
create_salesdialer_contact - Create a new contact in Sales Dialer
update_salesdialer_contact - Update/modify details of an existing contact
import_salesdialer_contacts - Import multiple contacts into Sales Dialer or a campaign in bulk
import_salesdialer_contacts_status - Check the status of a bulk import job by batch ID
add_salesdialer_contacts_dnca - Add one or more contacts to the "Do Not Call Again" list in bulk
list_salesdialer_custom_fields - Fetch all custom contact fields defined in Sales Dialer

📞 Calls (2 tools)

list_salesdialer_calls - Retrieve all calls made via the Sales Dialer
get_salesdialer_call - Retrieve detailed information for a specific Sales Dialer call by ID

📊 Analytics (2 tools)

get_sales_dialer_analytics - Retrieve comprehensive analytics data for sales dialer campaigns
get_salesdialer_agent_analytics - Retrieve call performance analytics of a specific agent for a campaign.

JustCall MCP Server

概览

PopNx MCP 的三大支柱

它能帮你做什么

安装

安装之前

它能做什么

基础检查i

作者与仓库一致

仍在维护

有许可证

端点有响应

使用 OAuth 登录

工具描述中没有隐藏指令

与“聊天与邮件”中的其他服务器比较i

常见问题

替代选择

Vexa

emailmd

MCP WhatsApp Cloud

作者的 README

JustCall MCP Server

Claude Desktop Setup

Claude Web - https://claude.ai

Chat GPT (Only available on Plus, Pro, Business and Enterprise)

Remote MCP

Streamable HTTP (Recommended)

Authentication & Security

OAuth2 Configuration

Protected Endpoints

Authentication Header Format

Public Endpoints

API Usage & Rate Limits

Available Tools

JustCall API Tools

📞 Calls (6 tools)

👥 Users & Agents (3 tools)

💬 SMS & Messaging (11 tools)

📇 Contacts (6 tools)

📊 Analytics (4 tools)

🔔 Webhooks (2 tools)

📱 Phone Numbers (2 tools)

👥 User Groups (2 tools)

📅 Appointments (3 tools)

💚 WhatsApp (5 tools)

🤖 AI Analysis (4 tools)

🎙️ Voice Agents (2 tools)

Sales Dialer Tools

📢 Campaigns (6 tools)

👥 Contacts (8 tools)

📞 Calls (2 tools)

📊 Analytics (2 tools)