Todoist MCP Server

const PRIORITY_MIN = 1; const PRIORITY_MAX = 4; function isValidPriority(value: number | undefined): value is number { return ( typeof value === "number" && Number.isInteger(value) && value >= PRIORITY_MIN && value <= PRIORITY_MAX ); } /** * Converts user-facing priority (1 highest) to Todoist API priority (4 highest). */ export function toApiPriority(priority?: number): number | undefined { if (!isValidPriority(priority)) { return undefined; } return PRIORITY_MAX + PRIORITY_MIN - priority; } /** * Converts Todoist API priority (4 highest) to user-facing priority (1 highest). */ export function fromApiPriority(priority?: number | null): number | undefined { if (!isValidPriority(priority ?? undefined)) { return undefined; } return PRIORITY_MAX + PRIORITY_MIN - (priority as number); } /** * Maps a task priority received from Todoist API for display purposes. * Falls back to the original value if it is outside the expected range. */