Dev Guides
Python SDK, LangChain and automation
Guaranteed JSON Every Time: Using Claude's Structured Outputs with JSON Schema
Stop wrestling with unreliable prompt constraints and fragile regex parsing. This guide walks you through using Claude API's Structured Outputs to guarantee schema-compliant JSON responses from the model — every single time.
Claude's 1M Token Context Window: When It's Worth It and How to Use It Right
Claude Opus 4.7, Opus 4.6, and Sonnet 4.6 now all support 1M context in GA — no beta flag needed. But a massive context window doesn't mean "more is always better." This post walks through three real-world scenarios — full-repo code review, contract comparison, and incident debugging — to show you how to get actual value out of that 1M token window.
Claude API Tool Use in Practice: Let AI Call Your Functions and External Services
Tool Use is the core capability that turns Claude from a chatbot into an agent that gets things done. This post includes three complete Python examples — single tool calls, parallel multi-tool calls, and business-scenario error handling — plus 4 common pitfalls to avoid.
10 Best AI Clients for Claude API: A Developer's Comparison (2026)
We tested Cherry Studio, Chatbox, NextChat, Cursor, and 6 other popular Claude clients — comparing features, setup complexity, and ideal use cases to help you find the right tool.
Build Your Own MCP Server: Give Claude Direct Access to Local CSV Data
MCP (Model Context Protocol) is Anthropic's open protocol that lets Claude access local files, databases, and custom tools. In this guide, you'll build an MCP Server that allows Claude to query CSV data directly — in under 100 lines of Python, capable of answering complex data analysis questions in under 5 seconds.
Claude MCP in Practice: Give Your AI Agent Real Control Over Databases, Files, and APIs (Full Code Included)
Build three MCP Servers from scratch — filesystem, SQLite, and HTTP API — connect them to Claude, and create an agent that can actually do things. Complete, runnable Python code included.