cyrilixandClaude Sonnet 5
383c889cab
Adds GET /datetime and an MCP get_current_datetime tool returning the current date/time in Europe/Paris, alongside the existing calendar endpoints. Both share the same CurrentDateTime payload shape. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Hu8wwahgecuCGfesTKCfEd
95 lines
2.9 KiB
Go
95 lines
2.9 KiB
Go
package main
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import (
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"context"
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"fmt"
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"net/http"
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"time"
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"github.com/modelcontextprotocol/go-sdk/mcp"
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"go.uber.org/zap"
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)
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type mcpDateParams struct {
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Date string `json:"date" jsonschema:"Date to check, in YYYY-MM-DD format"`
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}
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type mcpHolidaysParams struct {
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Year int `json:"year,omitempty" jsonschema:"Year to list French public holidays for (defaults to the current year)"`
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}
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type mcpHolidaysResult struct {
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Year int `json:"year"`
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Holidays []time.Time `json:"holidays"`
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}
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func calendarDayFor(day time.Time) CalendarDay {
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calDavHolidays, err := cal.IsHolidaysFromCaldav(day)
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if err != nil {
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zap.S().Warnf("unable to read holiday status from caldav: %v", err)
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calDavHolidays = false
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}
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return CalendarDay{
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Day: day,
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WorkingDay: cal.IsWorkingDay(day),
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Ferie: cal.IsHoliday(day),
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Holiday: calDavHolidays,
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Weekday: cal.IsWeekDay(day),
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}
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}
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func handleCurrentDateTime(_ context.Context, _ *mcp.CallToolRequest, _ struct{}) (*mcp.CallToolResult, CurrentDateTime, error) {
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return nil, CurrentDateTime{DateTime: time.Now().In(location)}, nil
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}
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func handleCalendarToday(_ context.Context, _ *mcp.CallToolRequest, _ struct{}) (*mcp.CallToolResult, CalendarDay, error) {
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return nil, calendarDayFor(time.Now().In(location)), nil
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}
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func handleCalendarForDate(_ context.Context, _ *mcp.CallToolRequest, params mcpDateParams) (*mcp.CallToolResult, CalendarDay, error) {
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day, err := time.ParseInLocation("2006-01-02", params.Date, location)
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if err != nil {
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return nil, CalendarDay{}, fmt.Errorf("invalid date %q, expected format YYYY-MM-DD: %w", params.Date, err)
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}
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return nil, calendarDayFor(day), nil
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}
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func handleGetHolidays(_ context.Context, _ *mcp.CallToolRequest, params mcpHolidaysParams) (*mcp.CallToolResult, mcpHolidaysResult, error) {
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year := params.Year
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if year == 0 {
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year = time.Now().In(location).Year()
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}
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return nil, mcpHolidaysResult{Year: year, Holidays: *cal.GetHolidays(year)}, nil
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}
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func newMCPHandler() http.Handler {
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server := mcp.NewServer(&mcp.Implementation{
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Name: "domogeek",
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Version: "1.0.0",
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}, nil)
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mcp.AddTool(server, &mcp.Tool{
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Name: "get_current_datetime",
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Description: "Get the current date and time",
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}, handleCurrentDateTime)
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mcp.AddTool(server, &mcp.Tool{
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Name: "get_calendar_today",
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Description: "Get calendar information for today: working day, French public holiday (ferie), personal holiday (from CalDAV) and weekday",
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}, handleCalendarToday)
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mcp.AddTool(server, &mcp.Tool{
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Name: "get_calendar_for_date",
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Description: "Get calendar information for a given date: working day, French public holiday (ferie), personal holiday (from CalDAV) and weekday",
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}, handleCalendarForDate)
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mcp.AddTool(server, &mcp.Tool{
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Name: "get_holidays",
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Description: "List French public holidays for a given year (defaults to the current year)",
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}, handleGetHolidays)
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return mcp.NewStreamableHTTPHandler(func(*http.Request) *mcp.Server {
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return server
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}, nil)
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}
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