The builder-side AI market is now crowded enough that generic "best AI tools" content is mostly noise. What matters is stack fit: which IDE workflow, which agent framework, which MCP approach, and what that stack means for cost, speed, and reliability.
This hub pulls our practical builder coverage into one place so teams can compare tools, understand trade-offs, and move from experimentation to a real production setup faster.
For the first time since ChatGPT launched in November 2022, OpenAI holds less than half the AI assistant market at 46.4%. Gemini is at 27.7%, Claude at 10.3% with a 13% paid conversion rate that leads the field. The single-platform era of AI development is over.
The MCP TypeScript SDK moved to v2 and Claude Code 2.1 changed how servers get used. A complete, current TypeScript MCP server — McpServer and Zod tools, stdio and HTTP transports, registration, Tool Search, and the production failure modes nobody warns you about.
Developers digging through accidentally exposed JavaScript source maps on Anthropic’s console found string references to “claude-sonnet-4-8” in late May 2026 — before any announcement. Here is what the evidence shows about its position in the model family, likely pricing, and what it means for developers choosing between Sonnet and Opus.
