import { CalDAVClient, RecurrenceRule } from "ts-caldav"
import { z } from "zod"
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"
const recurrenceRuleSchema = z.object({
freq: z.enum(["DAILY", "WEEKLY", "MONTHLY", "YEARLY"]).optional(),
interval: z.number().optional(),
count: z.number().optional(),
until: z.string().datetime().optional(), // ISO 8601 string
byday: z.array(z.string()).optional(), // e.g. ["MO", "TU"]
bymonthday: z.array(z.number()).optional(),
bymonth: z.array(z.number()).optional(),
})
export function registerCreateEvent(client: CalDAVClient, server: McpServer) {
server.registerTool(
"create-event",
{
description: "Creates an event in the calendar specified by its URL",
inputSchema: {
summary: z.string(),
start: z.string().datetime(),
end: z.string().datetime(),
calendarUrl: z.string(),
recurrenceRule: recurrenceRuleSchema.optional(),
},
},
async ({ calendarUrl, summary, start, end, recurrenceRule }) => {
const event = await client.createEvent(calendarUrl, {
summary: summary,
start: new Date(start),
end: new Date(end),
recurrenceRule: recurrenceRule as RecurrenceRule,
})
return {
content: [{ type: "text", text: event.uid }],
}
},
)
}
