index.js•6.16 kB
#!/usr/bin/env node
import { Server } from '@modelcontextprotocol/sdk/server/index.js';
import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';
import { CallToolRequestSchema, ListToolsRequestSchema, } from '@modelcontextprotocol/sdk/types.js';
import { LogoExtractor } from './logo-extractor.js';
import { LogoOptimizer } from './logo-optimizer.js';
class LogoMCPServer {
server;
logoExtractor;
logoOptimizer;
constructor() {
this.server = new Server({
name: 'logo-mcp',
version: '1.0.0',
});
this.logoExtractor = new LogoExtractor();
this.logoOptimizer = new LogoOptimizer();
this.setupToolHandlers();
}
setupToolHandlers() {
this.server.setRequestHandler(ListToolsRequestSchema, async () => {
return {
tools: [
{
name: 'extract_logo',
description: '从指定网站URL提取Logo图标链接',
inputSchema: {
type: 'object',
properties: {
url: {
type: 'string',
description: '要提取Logo的网站URL',
},
},
required: ['url'],
},
},
{
name: 'analyze_logo_candidates',
description: '分析网站的所有Logo候选项并返回详细信息',
inputSchema: {
type: 'object',
properties: {
url: {
type: 'string',
description: '要分析的网站URL',
},
},
required: ['url'],
},
},
],
};
});
this.server.setRequestHandler(CallToolRequestSchema, async (request) => {
const { name, arguments: args } = request.params;
try {
switch (name) {
case 'extract_logo':
return await this.handleExtractLogo(args);
case 'analyze_logo_candidates':
return await this.handleAnalyzeCandidates(args);
default:
throw new Error(`未知的工具: ${name}`);
}
}
catch (error) {
return {
content: [
{
type: 'text',
text: `错误: ${error instanceof Error ? error.message : '未知错误'}`,
},
],
};
}
});
}
async handleExtractLogo(args) {
const { url } = args;
if (!url || typeof url !== 'string') {
throw new Error('请提供有效的网站URL');
}
// 提取Logo候选项
const candidates = await this.logoExtractor.extractLogoCandidates(url);
if (candidates.length === 0) {
return {
content: [
{
type: 'text',
text: `未能从网站 ${url} 找到任何Logo图标。`,
},
],
};
}
// 选择最佳Logo
const bestLogo = this.logoExtractor.selectBestLogo(candidates);
// 直接返回Logo链接信息
const responseData = {
message: 'Logo提取成功，已返回可直接下载的Logo链接。',
websiteUrl: url,
logoUrl: bestLogo.url,
logoType: bestLogo.type,
logoSource: bestLogo.source,
logoScore: bestLogo.score,
};
return {
content: [
{
type: 'text',
text: JSON.stringify(responseData, null, 2),
},
],
};
}
async handleAnalyzeCandidates(args) {
const { url } = args;
if (!url || typeof url !== 'string') {
throw new Error('请提供有效的网站URL');
}
const candidates = await this.logoExtractor.extractLogoCandidates(url);
if (candidates.length === 0) {
return {
content: [
{
type: 'text',
text: `未能从网站 ${url} 找到任何Logo候选项。`,
},
],
};
}
const analysis = {
url: url,
totalCandidates: candidates.length,
candidates: candidates.map((candidate, index) => ({
index: index + 1,
url: candidate.url,
type: candidate.type,
source: candidate.source,
score: candidate.score,
attributes: candidate.attributes,
})),
recommended: this.logoExtractor.selectBestLogo(candidates),
};
return {
content: [
{
type: 'text',
text: `Logo候选项分析完成！\n网站: ${url}\n找到 ${candidates.length} 个候选项\n推荐使用: ${analysis.recommended.source} (评分: ${analysis.recommended.score})`,
},
{
type: 'text',
text: JSON.stringify(analysis, null, 2),
},
],
};
}
async run() {
const transport = new StdioServerTransport();
await this.server.connect(transport);
console.error('Logo MCP服务器已启动');
}
}
export default LogoMCPServer;
const server = new LogoMCPServer();
server.run().catch(console.error);
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