Search news using Perplexity AI and post to X (Twitter)
工作流概述
这是一个包含5个节点的中等工作流,主要用于自动化处理各种任务。
工作流源代码
{
"id": "v9K61fCQhrG6gt6Z",
"meta": {
"instanceId": "9219ebc7795bea866f70aa3d977d54417fdf06c41944be95e20cfb60f992db19",
"templateCredsSetupCompleted": true
},
"name": "Search news using Perplexity AI and post to X (Twitter)",
"tags": [],
"nodes": [
{
"id": "9b2fdc0f-8c71-4ea9-a9d0-df470f2778df",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
-560,
0
],
"parameters": {
"rule": {
"interval": [
{
"field": "hours",
"hoursInterval": 21,
"triggerAtMinute": "={{Math.floor(Math.random() * 60)}}
"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "d549c019-1f3e-4758-a5ee-e4ac7e03cc2d",
"name": "searchQuery",
"type": "n8n-nodes-base.set",
"position": [
-340,
0
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "4cfbc312-5dcd-444d-ae08-0bab417c084c",
"name": "searchInput",
"type": "string",
"value": "What's the latest news in artificial intelligence?"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "87c28d43-6cd6-4292-a563-a9f22467e162",
"name": "Perplexity",
"type": "n8n-nodes-base.httpRequest",
"position": [
100,
0
],
"parameters": {
"url": "https://api.perplexity.ai/chat/completions",
"method": "POST",
"options": {},
"jsonBody": "={
\"model\": \"llama-3.1-sonar-small-128k-online\",
\"messages\": [
{
\"role\": \"system\",
\"content\": \"You are a social media assistant summarizing tech news for Twitter/X. Only return one article. Your output must follow this exact format: a short, engaging headline (max 140 characters), followed by a single space, then the direct article link. Do not use markdown, hashtags, emojis, or line breaks. Keep the total output under 200 characters. Be precise, objective, and newsworthy.Example: Mastercard launches Agent Pay, allowing AI agents to make purchases for users. https://www.perplexity.ai/page/mastercard-unveils-agent-pay-e-qWXnaUEzQZWCqsxF4l43zA\"
},
{
\"role\": \"user\",
\"content\": \"{{ $('searchQuery').item.json.searchInput }}\"
}
],
\"temperature\": 0.3,
\"top_p\": 0.9,
\"return_citations\": true,
\"search_domain_filter\": [
\"perplexity.ai\"
],
\"search_recency_filter\": \"day\",
\"return_images\": true,
\"return_related_questions\": false,
\"max_tokens\": 80,
\"stream\": false,
\"presence_penalty\": 0,
\"frequency_penalty\": 1
}
",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "=Bearer {{ $json.perplexityAPI }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "c1ed633d-d318-403c-9577-c3c63ac2e68e",
"name": "set API key",
"type": "n8n-nodes-base.set",
"position": [
-120,
0
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "4f9bd3a0-5587-410f-b145-a287f65f9576",
"name": "perplexityAPI",
"type": "string",
"value": "<yourPerplexityAPI>"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "e228e352-2ddd-4e2c-a434-993910ced7be",
"name": "Post to X",
"type": "n8n-nodes-base.twitter",
"position": [
320,
0
],
"parameters": {
"text": "={{ $json.choices[0].message.content }}",
"additionalFields": {}
},
"credentials": {
"twitterOAuth2Api": {
"id": "NY8wGzcN4f9f1UN4",
"name": "X account 2 for images"
}
},
"typeVersion": 2
}
],
"active": true,
"pinData": {},
"settings": {
"callerPolicy": "workflowsFromSameOwner",
"errorWorkflow": "qFOYM3IA9QZ7fMym",
"executionOrder": "v1"
},
"versionId": "74e316fe-561f-4c80-b446-bba795654cef",
"connections": {
"Post to X": {
"main": [
[]
]
},
"Perplexity": {
"main": [
[
{
"node": "Post to X",
"type": "main",
"index": 0
}
]
]
},
"searchQuery": {
"main": [
[
{
"node": "set API key",
"type": "main",
"index": 0
}
]
]
},
"set API key": {
"main": [
[
{
"node": "Perplexity",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "searchQuery",
"type": "main",
"index": 0
}
]
]
}
}
}
功能特点
- 自动检测新邮件
- AI智能内容分析
- 自定义分类规则
- 批量处理能力
- 详细的处理日志
技术分析
节点类型及作用
- Scheduletrigger
- Set
- Httprequest
复杂度评估
配置难度:
维护难度:
扩展性:
实施指南
前置条件
- 有效的Gmail账户
- n8n平台访问权限
- Google API凭证
- AI分类服务订阅
配置步骤
- 在n8n中导入工作流JSON文件
- 配置Gmail节点的认证信息
- 设置AI分类器的API密钥
- 自定义分类规则和标签映射
- 测试工作流执行
- 配置定时触发器(可选)
关键参数
| 参数名称 | 默认值 | 说明 |
|---|---|---|
| maxEmails | 50 | 单次处理的最大邮件数量 |
| confidenceThreshold | 0.8 | 分类置信度阈值 |
| autoLabel | true | 是否自动添加标签 |
最佳实践
优化建议
- 定期更新AI分类模型以提高准确性
- 根据邮件量调整处理批次大小
- 设置合理的分类置信度阈值
- 定期清理过期的分类规则
安全注意事项
- 妥善保管API密钥和认证信息
- 限制工作流的访问权限
- 定期审查处理日志
- 启用双因素认证保护Gmail账户
性能优化
- 使用增量处理减少重复工作
- 缓存频繁访问的数据
- 并行处理多个邮件分类任务
- 监控系统资源使用情况
故障排除
常见问题
邮件未被正确分类
检查AI分类器的置信度阈值设置,适当降低阈值或更新训练数据。
Gmail认证失败
确认Google API凭证有效且具有正确的权限范围,重新进行OAuth授权。
调试技巧
- 启用详细日志记录查看每个步骤的执行情况
- 使用测试邮件验证分类逻辑
- 检查网络连接和API服务状态
- 逐步执行工作流定位问题节点
错误处理
工作流包含以下错误处理机制:
- 网络超时自动重试(最多3次)
- API错误记录和告警
- 处理失败邮件的隔离机制
- 异常情况下的回滚操作