brave-search-mcp
Version:
MCP Server that uses Brave Search API to search for images, general web search, video, news and points of interest.
51 lines (50 loc) • 2.41 kB
JavaScript
import { SafeSearchLevel } from 'brave-search/dist/types.js';
import { z } from 'zod';
import { BaseTool } from './BaseTool.js';
const webSearchInputSchema = z.object({
query: z.string().describe('The term to search the internet for'),
count: z.number().min(1).max(20).default(10).optional().describe('The number of results to return, minimum 1, maximum 20'),
offset: z.number().min(0).default(0).optional().describe('The offset for pagination, minimum 0'),
freshness: z.union([
z.enum(['pd', 'pw', 'pm', 'py']),
z.string().regex(/^\d{4}-\d{2}-\d{2}to\d{4}-\d{2}-\d{2}$/, 'Date range must be in format YYYY-MM-DDtoYYYY-MM-DD')
])
.optional()
.describe(`Filters search results by when they were discovered.
The following values are supported:
- pd: Discovered within the last 24 hours.
- pw: Discovered within the last 7 Days.
- pm: Discovered within the last 31 Days.
- py: Discovered within the last 365 Days.
- YYYY-MM-DDtoYYYY-MM-DD: Custom date range (e.g., 2022-04-01to2022-07-30)`),
});
export class BraveWebSearchTool extends BaseTool {
braveMcpServer;
braveSearch;
name = 'brave_web_search';
description = 'Performs a web search using the Brave Search API, ideal for general queries, and online content. '
+ 'Use this for broad information gathering, recent events, or when you need diverse web sources. '
+ 'Maximum 20 results per request ';
inputSchema = webSearchInputSchema;
constructor(braveMcpServer, braveSearch) {
super();
this.braveMcpServer = braveMcpServer;
this.braveSearch = braveSearch;
}
async executeCore(input) {
const { query, count, offset, freshness } = input;
const results = await this.braveSearch.webSearch(query, {
count,
offset,
safesearch: SafeSearchLevel.Strict,
...(freshness ? { freshness } : {}),
});
if (!results.web || results.web?.results.length === 0) {
this.braveMcpServer.log(`No results found for "${query}"`);
const text = `No results found for "${query}"`;
return { content: [{ type: 'text', text }] };
}
const text = results.web.results.map(result => `Title: ${result.title}\nURL: ${result.url}\nDescription: ${result.description}`).join('\n\n');
return { content: [{ type: 'text', text }] };
}
}