teams-mcp-server/dist/tools/sendMessage.js

Microsoft Teams MCP server with direct messaging support

export function createSendMessageTool(teamsClient) {
    return {
        name: 'teams_send_message',
        description: 'Send a message to a Teams chat',
        inputSchema: {
            type: 'object',
            properties: {
                chatId: {
                    type: 'string',
                    description: 'ID of the chat to send message to'
                },
                content: {
                    type: 'string',
                    description: 'Message content (text or HTML)'
                },
                contentType: {
                    type: 'string',
                    enum: ['text', 'html'],
                    description: 'Content type of the message',
                    default: 'text'
                }
            },
            required: ['chatId', 'content']
        },
        handler: async (args) => {
            try {
                await teamsClient.ensureAuthenticated();
                const request = {
                    chatId: args.chatId,
                    content: args.content,
                    contentType: args.contentType || 'text'
                };
                const message = await teamsClient.sendMessage(request);
                return {
                    content: [{
                            type: 'text',
                            text: JSON.stringify({
                                success: true,
                                message: {
                                    id: message.id,
                                    content: message.body.content,
                                    contentType: message.body.contentType,
                                    sent: new Date(message.createdDateTime).toLocaleString(),
                                    sender: message.from?.user?.displayName || 'You'
                                }
                            }, null, 2)
                        }]
                };
            }
            catch (error) {
                return {
                    content: [{
                            type: 'text',
                            text: `Failed to send message: ${error.message}`
                        }]
                };
            }
        }
    };
}