教程中心
AI Agent 从入门到实战:概念理解、MCP 使用、平台实操、工作流自动化
2024
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368
入门教程
45
实操教程
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AI 财报分析 2026:用 ChatGPT + Claude 快速解读上市公司财务报告
投资者和分析师必备:10 分钟用 AI 完成专业财报解读
阅读和分析财务报告是投资决策的基础,但一份完整的年报往往超过 200 页。2026 年 AI 可以在 5-10 分钟内完成财报关键信息提取、数据分析、与竞争对手对比,甚至识别异常和风险信号。本文分享财报分析的 AI 完整工作流,包括财务健康度评估、盈利质量分析、管理层讨论解读、风险因素识别的完整 Prompt 体系。
AI 供应链优化实战 2026:需求预测、库存优化、供应商管理的 AI 应用全景
从 Excel 到 AI 驱动的供应链:降本增效的真实案例和工具指南
2026 年 AI 供应链管理已经成为制造业和零售业的核心竞争力。本文梳理 AI 在供应链中最有价值的三大应用:需求预测(减少库存积压)、库存优化(提高周转率)、供应商风险管理(减少断供风险),附具体工具推荐、实施路径和量化收益案例。适合供应链经理、运营总监和企业数字化转型负责人。
AI 量化交易入门 2026:用 Python + AI 构建自己的交易策略回测系统
从零开始学量化:ChatGPT 帮你写策略,AI 帮你回测和优化
量化交易曾经是机构投资者的专属领域,但 AI 编程工具的普及让个人投资者也能构建自己的量化策略。本文带你用 Python + AI(ChatGPT/Cursor)构建一个完整的量化交易回测系统,涵盖数据获取、策略设计、回测分析、风险控制,附完整代码示例。适合有基础 Python 能力的投资爱好者。
AI 网络安全实战 2026:用 AI 工具检测威胁、分析漏洞、自动响应
安全工程师必知:AI 如何重构威胁检测和响应工作流
2026 年网络攻击中超过 70% 使用了 AI 辅助技术,防御方也必须用 AI 对抗 AI。本文面向安全工程师和技术负责人,介绍 CrowdStrike Falcon AI、Darktrace、Microsoft Copilot for Security 等工具如何实现 AI 驱动的威胁检测,以及如何用 ChatGPT/Claude 辅助渗透测试和漏洞分析,附完整 AI 安全工作流和 Prompt 示例。
LangGraph Tutorial: Build Stateful AI Agents with Persistent Memory
Build complex multi-step AI workflows with state management using LangGraph
LangGraph enables AI agents with persistent state, conditional branching, and human-in-the-loop workflows. This tutorial builds a real research agent from scratch with memory, tool use, and error recovery.
RAG系统从零到生产:2026年完整构建指南
向量数据库选型、分块策略、重排序优化——RAG最佳实践
RAG已成为企业AI应用的标配架构,但很多团队的RAG系统效果不理想。本文系统讲解RAG系统的每个环节:文档处理、分块策略、向量存储选型、检索优化、重排序。
Cursor AI 进阶开发指南 2026:从自动补全到全项目重构的完整工作流
资深工程师的 Cursor 高效使用手册
Cursor AI 已成为 2026 年最受欢迎的 AI 编程工具之一。本文超越基础介绍,深入讲解 Cursor 的 Composer 多文件编辑、Rules for AI 全局规范、@Codebase 语义搜索、多光标 AI 编辑等高级功能,以及配合 Claude/GPT-4o 模型的最优使用策略,帮助开发者构建真正高效的 AI 辅助开发工作流。
LangChain vs LangGraph 实战指南:Agent 框架如何选,一篇讲清楚
从实际项目需求出发,告诉你该用哪个框架
LangChain 和 LangGraph 同出一门,但定位已经完全不同。本文通过实际代码对比,讲解两者的核心差异、各自擅长的场景,以及 2026 年构建生产级 AI Agent 的推荐技术栈。
OpenAI Function Calling 与结构化输出完整指南 2026:让 LLM 稳定返回 JSON
告别 AI 乱返回格式的问题,用官方结构化输出构建可靠的 AI 应用
Function Calling 和结构化输出(Structured Outputs)是 OpenAI API 中最被低估的功能。正确使用它们,可以让 LLM 100% 按照你定义的 JSON Schema 返回数据,彻底解决解析失败、格式不稳定的问题。
LLM 微调实战指南 2026:从数据准备到部署,完整的模型定制化流程
什么时候值得微调,什么时候用 Prompt 工程就够了
LLM 微调(Fine-tuning)在 2026 年已经变得更加可及,但"微调"不是万能药。本文讲解微调 vs Prompt 工程的选择原则,以及用 Unsloth + LoRA 进行高效微调的完整流程,包括数据准备、训练配置、评估和部署。
Stable Diffusion + ComfyUI for E-commerce Product Photography
Replace expensive photo shoots with AI-generated product backgrounds and lifestyle shots
Complete tutorial for e-commerce sellers using ComfyUI workflows with Stable Diffusion to create professional product photography, covering background replacement, lifestyle scene generation, and batch processing.
Advanced Prompt Engineering: Techniques That Actually Work
Chain-of-thought, tree-of-thoughts, self-consistency, and systematic evaluation methods
Beyond basic prompting: master chain-of-thought, self-consistency sampling, tree-of-thoughts, constitutional AI prompting, and systematic evaluation techniques that reliably improve LLM performance.
Prompt 注入攻击与防御完整指南 2026:构建安全的 AI 应用
你的 AI Agent 可能正在被攻击,而你完全不知道
随着 AI Agent 和 RAG 系统大规模部署,Prompt 注入攻击已成为 2026 年 AI 应用的头号安全威胁。本文系统讲解直接注入、间接注入(通过检索文档)的攻击方式,以及从输入过滤到架构设计的全套防御方案。
Advanced RAG 高级技巧完整指南 2026:超越基础检索,构建生产级知识库
解决 RAG 幻觉、检索不准、上下文丢失三大核心问题
基础 RAG 系统很容易搭建,但让它在生产中稳定好用却很难。本文深入讲解 Advanced RAG 的核心技术:混合检索、重排序、多查询分解、查询路由,以及如何系统性地评估和提升 RAG 效果。
vLLM Production Deployment: Self-Host Llama 3 at Scale
Deploy Llama 3 with 20x higher throughput than naive serving
Deploy open-source LLMs in production with vLLM. Covers GPU selection, Docker setup, Kubernetes orchestration, AWQ quantization for 75% memory reduction, and cost comparison showing break-even vs OpenAI at 5M tokens/month.
n8n 高级工作流自动化实战指南 2026:从基础到生产级 AI 自动化
用 n8n 构建稳定运行的 AI 工作流,避开常见陷阱
n8n 已经成为 2026 年最受开发者欢迎的工作流自动化工具。本文从基础节点到复杂的 AI 集成,从错误处理到生产部署,完整讲解如何用 n8n 构建稳定、可维护的 AI 自动化工作流。
Technical Architecture for AI Startups: From Prototype to Scale
Build AI infrastructure that grows with your startup
Architecture guide for AI startups covering the evolution from prototype to production scale. Includes cost-effective infrastructure choices, avoiding common pitfalls, and when to invest in custom ML.
Cloud Security Mastery: AWS, Azure & GCP Best Practices in 2025
Multi-cloud security guide covering IAM, network security, posture management, and AI threat detection
Securing multi-cloud environments requires understanding each platform's security model while maintaining consistent policies. This guide covers AWS GuardDuty, Azure Defender for Cloud, GCP Security Command Center, cloud IAM best practices, VPC security, encryption, CSPM tools, and AI-driven threat detection across AWS, Azure, and GCP.
Fine-Tuning GPT-4o Mini: OpenAI Fine-Tuning API Complete Guide
When and how to fine-tune LLMs for domain-specific tasks
GPT-4o mini 微调完全指南(2026):用 OpenAI 微调 API 得到格式/风格稳定的托管模型、海量调用降本。含 JSONL 数据准备→上传→训练→调用真实代码、何时微调 vs 提示/RAG、数据质量 > 数量。
LLM Fine-Tuning for Production: LoRA, QLoRA & RLHF in 2025
Adapt foundation models to your domain efficiently with parameter-efficient fine-tuning techniques
Fine-tuning LLMs allows adapting powerful foundation models to specific domains without training from scratch. This guide covers LoRA and QLoRA for parameter-efficient fine-tuning, dataset preparation and quality filtering, instruction tuning format, RLHF and DPO for alignment, fine-tuning on consumer GPUs with quantization, evaluation with domain benchmarks, and deploying fine-tuned models with vLLM or TGI for production serving.
Vector Databases & RAG in Production: Pinecone, Weaviate & pgvector in 2025
Build production-grade retrieval-augmented generation systems with vector search at scale
Retrieval-Augmented Generation (RAG) is the dominant pattern for grounding LLMs with up-to-date knowledge. This guide covers vector database selection (Pinecone, Weaviate, Qdrant, pgvector), embedding model selection and optimization, chunking strategies for documents, hybrid search (vector + keyword), re-ranking, evaluating RAG quality, and deploying production RAG systems that stay accurate over time.
Build a Production RAG System with LlamaIndex and Pinecone
Step-by-step guide to retrieval-augmented generation that works on real data
Most RAG tutorials only show the happy path. This guide builds a production-ready RAG system covering chunking strategies, embedding selection, reranking, evaluation, and edge case handling.
MLOps in Production: Complete Deployment Guide for Machine Learning Systems in 2025
Build reliable ML pipelines with feature stores, model registries, A/B testing, and automated retraining
Deploying ML models to production is 90% of the work. This comprehensive MLOps guide covers feature engineering pipelines, model training workflows, experiment tracking with MLflow, model registry management, blue-green and canary deployments, automated retraining triggers, monitoring for data drift and model degradation, and building ML platform infrastructure that scales from startup to enterprise.
AI Agent Frameworks: LangChain, AutoGen & CrewAI for Production in 2025
Build reliable AI agents that use tools, plan multi-step tasks, and collaborate in teams
AI agents go beyond chatbots—they use tools, maintain memory, plan multi-step tasks, and collaborate with other agents. This guide compares LangChain, LangGraph, AutoGen, and CrewAI for different use cases, covers reliable agent design patterns, tool calling best practices, memory architectures (short-term, long-term, episodic), handling errors and hallucinations, and deploying production agents with observability.
LLM Security: Defending Against Prompt Injection Attacks
Protect your AI applications from adversarial prompts
Comprehensive guide to LLM security vulnerabilities including prompt injection, jailbreaking, and data exfiltration. Learn detection and defense strategies for production AI systems.
Fine-Tuning LLMs for Domain-Specific Applications
Adapt large language models to your specific use case
A comprehensive guide to fine-tuning LLMs for specialized domains including medical, legal, financial, and technical applications. Covers data preparation, training strategies, and evaluation.
如何搭建自己的 MCP Server(完整教程)
从零开始,30 分钟实现一个可用于生产的自定义 MCP Server
市面上有 500+ 现成 MCP Server,但总有一天你会遇到找不到现成 Server 的场景——这时候就需要自己写一个。本教程从零开始,用 TypeScript 实现一个能查询内部 API 的 MCP Server,包含工具注册、错误处理和部署到生产环境的完整步骤。
MCP协议深度指南:Model Context Protocol构建AI工具生态的标准
Anthropic开源MCP如何成为连接LLM和工具的通用标准
全面介绍Anthropic发布的Model Context Protocol(MCP)协议,包括架构设计、工具和资源定义、安全模型,以及如何用MCP构建和集成AI工具,打造互操作的AI应用生态。
AI推理模型深度解析:o1/o3和Chain-of-Thought背后的技术原理
理解"慢思考"AI模型的架构创新,以及推理能力突破对AI应用的影响
深入解析OpenAI o1/o3、DeepSeek-R1等推理模型的技术原理,包括强化学习训练推理链、思维链的作用机制、推理-延迟-成本权衡,以及推理模型的最佳应用场景。
RAG高级技术:分块策略、重排序和混合检索的工程优化
从基础RAG到生产级RAG,解决准确率、延迟和成本的工程挑战
深入探讨RAG系统的高级优化技术,包括语义分块策略、父子文档检索、假设性文档嵌入(HyDE)、交叉编码器重排序和查询转化,显著提升RAG系统的回答质量。
AI系统设计面试:推荐系统、搜索和LLM应用的设计方法论
用实战框架解决AI系统设计面试题,从产品设计到技术架构的完整思路
提供AI系统设计面试的完整方法论,通过推荐系统、搜索引擎、内容审核和LLM应用等经典题目,讲解需求分析、规模估算、架构设计和深度优化的面试思路。
LLMOps生产部署指南:LLM应用从原型到规模化的工程实践
系统化解决LLM生产部署的10大挑战,打造稳定可扩展的AI服务
详解LLM应用进入生产环境的工程实践,包括提示词版本管理、输出质量监控、成本优化、A/B测试框架、安全防护和故障恢复,以及主要LLMOps工具的选型指南。
AI视觉质检系统:从相机选型到模型部署的工厂落地指南
用计算机视觉替代人工目检,实现全天候99.9%准确率的自动化质检
提供工业视觉质检系统的完整落地指南,包括相机和光源选型、数据标注策略、深度学习模型选择、工控机部署和与MES系统集成的最佳实践。
AI药物发现革命:AlphaFold3与生成式AI加速新药研发
从蛋白质结构预测到分子生成,AI如何将药物发现周期从10年缩短至2年
深入探讨AI在药物发现领域的最新突破,包括AlphaFold3的蛋白质结构预测、生成式分子设计、虚拟筛选和ADMET预测,以及AI如何系统性地压缩新药研发时间线。
LLM微调实战:LoRA和QLoRA参数高效微调完全指南
用消费级GPU微调大语言模型,实现专业领域定制化
详细讲解LoRA和QLoRA微调技术的原理与实践,包括数据准备、超参数调优、训练监控和模型评估,让开发者在有限算力下实现高质量LLM微调。
多模态AI实战:视觉语言模型应用开发指南
从GPT-4V到Gemini Vision,构建真正理解图像的AI应用
深入解析多模态AI的技术原理与应用实践,包括视觉问答、文档理解、医学影像分析、工业质检等场景的开发方案,以及性能优化和成本控制策略。
用 LangGraph 构建多步骤 Agent
状态机思维:让 Agent 像工作流一样可控
LangGraph 是 LangChain 团队推出的 Agent 编排框架,用图(DAG)的方式组织 Agent 逻辑,支持循环、条件分支、状态持久化和人工干预点。相比 ReAct Agent,LangGraph 的行为更可预测、更易调试,是生产级 Agent 开发的首选。
Active Learning Pipelines: Advanced Guide
Efficiently labeling data with model-guided selection
Active Learning Pipelines: Advanced Guide Overview Efficiently labeling data with model-guided selection. This comprehensive guide covers everything you need to know for production implementation. Why It Matters Active Learning Pipelines: Advance
AI-Powered A/B Testing: Advanced Guide
Using AI to design and analyze experiments
AI-Powered A/B Testing: Advanced Guide Overview Using AI to design and analyze experiments. This comprehensive guide covers everything you need to know for production implementation. Why It Matters AI-Powered A/B Testing: Advanced Guide is increa
CrewAI vs AutoGen vs LangGraph: Multi-Agent Framework 2026
Build production multi-agent systems with the right framework
Comprehensive comparison of CrewAI, AutoGen, and LangGraph for multi-agent AI systems. Covers role-based collaboration, conversation agents, state machines, and production deployment patterns.
Vector Database Guide 2026: Pinecone vs Qdrant vs pgvector vs Weaviate
Choose the right vector database for your RAG application performance and cost
Complete 2026 comparison of Pinecone, Qdrant, pgvector, and Weaviate. Includes Python code examples, performance benchmarks at 1M vectors, filtering, and self-hosting setup.
LangChain vs LlamaIndex vs Haystack: RAG Framework 2026
Choose the right RAG framework for production LLM applications
Detailed comparison of LangChain, LlamaIndex, and Haystack for building RAG pipelines. Covers document processing, retrieval strategies, performance benchmarks, and production deployment for 2026.
AI Security: Prompt Injection, Jailbreaking, and LLM Guardrails 2026
Protect your AI applications from attacks: prompt injection, data exfiltration, and model abuse
Security guide for production LLM applications covering prompt injection attacks, jailbreaking techniques, input validation, output filtering, and implementing LLM guardrails with Guardrails AI and Nemo Guardrails.
Fine-Tuning GPT-4 and Claude: When to Fine-Tune vs RAG 2026
Make the right architectural decision: fine-tuning or RAG for your LLM application
Comprehensive guide to deciding between fine-tuning and RAG for LLM applications. Covers fine-tuning GPT-4o mini, LoRA training with Hugging Face, cost comparison, and use case decision framework.
AI System Design Patterns 2026: Rate Limiting, Caching, Fallbacks
Production patterns for reliable, cost-efficient AI applications
Essential system design patterns for production AI applications: token budgeting, response caching, fallback chains, circuit breakers, and monitoring. Reduce costs 60-80% while improving reliability.
Python AI Development Stack 2026: FastAPI + LangChain + Supabase
Build production-ready AI applications with the modern Python AI stack
Complete guide to building production AI applications with FastAPI, LangChain, and Supabase in 2026. Covers project setup, async AI endpoints, RAG pipeline, vector search, and deployment.
Windsurf vs Devin vs SWE-agent: Autonomous Coding AI 2026
Which autonomous AI coding agent can actually ship production-ready code?
Windsurf vs Devin vs SWE-agent 自主编程对比(2026):按自主程度排——Windsurf 人在回路、Devin 全自主 AI 工程师、SWE-agent 开源研究框架(SWE-bench)。含选型与生产可靠性。
Claude Thinking vs OpenAI o3 vs Gemini 2.5 Pro: Reasoning AI 2026
Extended thinking models compared: when to use reasoning AI and which one wins
Claude 扩展思考 vs OpenAI o3 vs Gemini 推理模式对比(2026):三者都用更长思考换准确率——o3 主攻数学/逻辑、Claude 强编程且步骤透明、Gemini 胜在长上下文与多模态。含按难度路由的省钱策略。