Bear MCP Server

import { Tool } from "@modelcontextprotocol/sdk/types.js"; import { BearDB } from "../bearDB.js"; import { formatDate } from "../types.js"; export const searchNotesTool: Tool = { name: "search_notes", description: "Search for Bear notes by term or tag", inputSchema: { type: "object", properties: { term: { type: "string", description: "Search term to find in note titles and content" }, tag: { type: "string", description: "Tag to filter notes by (without the # symbol)" }, limit: { type: "number", description: "Maximum number of results to return (default: 20)", default: 20 } } } }; export async function handleSearchNotes(bearDB: BearDB, args: any) { const { term, tag, limit = 20 } = args; if (!term && !tag) { return { content: [{ type: "text", text: "Error: Please provide either a search term or a tag" }] }; } try { const notes = bearDB.searchNotes({ term, tag, limit }); if (notes.length === 0) { let message = "No notes found"; if (term && tag) { message += ` matching "${term}" with tag #${tag}`; } else if (term) { message += ` matching "${term}"`; } else { message += ` with tag #${tag}`; } return { content: [{ type: "text", text: message }] }; } let response = `Found ${notes.length} note${notes.length !== 1 ? 's' : ''}`; if (term && tag) { response += ` matching "${term}" with tag #${tag}`; } else if (term) { response += ` matching "${term}"`; } else { response += ` with tag #${tag}`; } response += ':\n\n'; for (const note of notes) { // Create a preview (first 150 characters of content) const preview = note.content .replace(/\n/g, ' ') .substring(0, 150) .trim(); response += `## ${note.title}\n`; response += `${preview}${note.content.length > 150 ? '...' : ''}\n`; response += `**Tags:** ${note.tags.length > 0 ? note.tags.map(t => `#${t}`).join(', ') : 'None'}\n`; response += `**Modified:** ${formatDate(note.modificationDate)}\n`; response += `**ID:** ${note.id}\n\n`; } return { content: [{ type: "text", text: response.trim() }] }; } catch (error) { return { content: [{ type: "text", text: `Error searching notes: ${error instanceof Error ? error.message : 'Unknown error'}` }] }; } }