Bear MCP Server

import { Tool } from "@modelcontextprotocol/sdk/types.js"; import { BearDB } from "../bearDB.js"; import { formatDate } from "../types.js"; export const getNotesByDateRangeTool: Tool = { name: "get_notes_by_date", description: "Get Bear notes created or modified within a date range", inputSchema: { type: "object", properties: { startDate: { type: "string", description: "Start date in ISO format (YYYY-MM-DD)" }, endDate: { type: "string", description: "End date in ISO format (YYYY-MM-DD)" }, dateType: { type: "string", description: "Filter by 'created' or 'modified' date", enum: ["created", "modified"], default: "modified" }, limit: { type: "number", description: "Maximum number of notes to return", minimum: 1, maximum: 100, default: 20 } }, required: ["startDate", "endDate"] } }; export async function handleGetNotesByDateRange(bearDB: BearDB, args: any) { const { startDate, endDate, dateType = 'modified', limit = 20 } = args; if (!startDate || !endDate) { return { content: [{ type: "text", text: "Error: Please provide both startDate and endDate" }] }; } try { const start = new Date(startDate); const end = new Date(endDate); if (isNaN(start.getTime()) || isNaN(end.getTime())) { return { content: [{ type: "text", text: "Error: Invalid date format. Please use YYYY-MM-DD" }] }; } if (start > end) { return { content: [{ type: "text", text: "Error: Start date must be before end date" }] }; } const notes = bearDB.getNotesByDateRange(start, end, dateType, limit); if (notes.length === 0) { return { content: [{ type: "text", text: `No notes found between ${startDate} and ${endDate}` }] }; } const notesList = notes.map((note, index) => { const preview = note.content.substring(0, 100).replace(/\n/g, ' '); const dateToShow = dateType === 'created' ? note.creationDate : note.modificationDate; return `${index + 1}. **${note.title}** ${dateType === 'created' ? 'Created' : 'Modified'}: ${formatDate(dateToShow)} Tags: ${note.tags.length > 0 ? note.tags.map(t => `#${t}`).join(', ') : 'None'} Preview: ${preview}${note.content.length > 100 ? '...' : ''}`; }).join('\n\n'); const header = `# Notes ${dateType === 'created' ? 'Created' : 'Modified'} Between ${startDate} and ${endDate} Found ${notes.length} note${notes.length !== 1 ? 's' : ''} ${notesList}`; return { content: [{ type: "text", text: header }] }; } catch (error) { return { content: [{ type: "text", text: `Error getting notes by date: ${error instanceof Error ? error.message : 'Unknown error'}` }] }; } }