EWS Meeting MCP

by ap311036

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GitHub Website

Communication

About

Safely schedule Outlook meetings on on-prem Exchange EWS with room-aware slot suggestions, local credentials, preview-confirmed writes, and audit-friendly lifecycle records.

Explore

- Resolve attendees and Exchange room mailboxes
- Suggest available meeting slots before booking
- Preview meeting changes before any write operation
- Create, update, and cancel Outlook meetings through Exchange EWS
- Keep Exchange credentials local with environment variables or macOS Keychain
- Maintain audit-friendly lifecycle records for scheduling actions

Setting up with Highlight

This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:

Download and install Highlight from highlightai.com/download
Navigate to the plugins tab and select "Add Custom Plugin"
Configure the plugin with the settings below

Plugin Name EWS Meeting MCP

Command (node, npx, python, etc.)

Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
Enable "Start Automatically" if you want the plugin to start when Highlight launches

Setting up with Cursor

Open Cursor's settings
Navigate to the MCP section
Click "Add new Global MCP server"
Copy and paste the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

Setting up with Claude Desktop

Open Claude Desktop's settings
Go to the Integrations tab
Click "Add MCP Server"
Use the configuration below based on your operating system

Note: Make sure Claude Desktop is running before attempting to connect.

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

Setting up with Windsurf

Open Windsurf's preferences
Go to the Integrations section
Click "Add MCP Integration"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

Setting up with Cline

Open Cline's settings
Navigate to the Integrations section
Click "Add MCP Server"
Copy and paste the configuration below based on your operating system

Note: Make sure to restart Cline after adding the configuration.

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

Setting up with Goose

Open Goose's preferences
Go to the Integrations tab
Select "MCP Servers"
Click "Add New Server"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

From the repository

``bash npx -y [email protected]

json

{

  "mcpServers": {

    "ews-meeting-mcp": {

      "command": "npx",

      "args": ["-y", "[email protected]"],

      "env": {

        "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",

        "EWS_EMAIL": "[email protected]",

        "EWS_USERNAME": "DOMAIN\\username",

        "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",

        "EWS_AUTH_TYPE": "NTLM",

        "EWS_TIMEZONE": "Asia/Taipei"

      }

    }

  }

}

``

Repository: https://github.com/ap311036/ews-meeting-mcp

Claude Desktop / Cursor

Paste into your MCP client config file to install this server.

{
    "mcpServers": {
        "ews meeting mcp": {
            "ews-meeting-mcp": {
                "command": "npx",
                "args": [
                    "-y",
                    "[email protected]"
                ],
                "env": {
                    "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
                    "EWS_EMAIL": "[email protected]",
                    "EWS_USERNAME": "DOMAIN\\username",
                    "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
                    "EWS_AUTH_TYPE": "NTLM",
                    "EWS_TIMEZONE": "Asia/Taipei"
                }
            }
        }
    }
}

McpServers

{
    "ews-meeting-mcp": {
        "command": "npx",
        "args": [
            "-y",
            "[email protected]"
        ],
        "env": {
            "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
            "EWS_EMAIL": "[email protected]",
            "EWS_USERNAME": "DOMAIN\\username",
            "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
            "EWS_AUTH_TYPE": "NTLM",
            "EWS_TIMEZONE": "Asia/Taipei"
        }
    }
}

The MCP server for safely scheduling Outlook meetings on on-prem Exchange EWS. EWS Meeting MCP is built for organizations that still run Microsoft Exchange on-premises and cannot expose calendar workflows through cloud-first Microsoft Graph integrations. It keeps credentials local, supports strict enterprise security environments, and requires preview-confirmed writes before creating, updating, or cancelling meetings.

Highlights

- Resolve attendees and Exchange room mailboxes. - Suggest available meeting slots before booking. - Preview meeting changes before any write operation. - Create, update, and cancel Outlook meetings through Exchange EWS. - Keep Exchange credentials local with environment variables or macOS Keychain. - Maintain audit-friendly lifecycle records for scheduling actions.

Install

bash
npx -y [email protected]



MCP config

json
{
  "mcpServers": {
    "ews-meeting-mcp": {
      "command": "npx",
      "args": ["-y", "[email protected]"],
      "env": {
        "EWS_ENDPOINT": "https://mail.company.com/EWS/Exchange.asmx",
        "EWS_EMAIL": "[email protected]",
        "EWS_USERNAME": "DOMAIN\\username",
        "EWS_PASSWORD": "<YOUR_EWS_PASSWORD>",
        "EWS_AUTH_TYPE": "NTLM",
        "EWS_TIMEZONE": "Asia/Taipei"
      }
    }
  }
}

`` Repository: https://github.com/ap311036/ews-meeting-mcp

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