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#LLM
3 posts
April 27, 2026
Why SpaceX Is Paying $60B for Cursor — And How Cursor Actually Works Under the Hood
On April 21, 2026, SpaceX announced an option to acquire Cursor for $60 billion later this year. This post unpacks the actual architecture that makes Cursor feel like a senior engineer — local indexing, Merkle-tree change detection, Tree-sitter AST chunking, Turbopuffer vector search, and the Composer agent model — then breaks down the three strategic reasons this deal is really about who owns the AI stack.
AI CodingCursorSpaceX
April 9, 2026
Claude Code Leaked: What 512,000 Lines of TypeScript Taught the World About AI Agents
On March 31, 2026, Anthropic accidentally shipped the full Claude Code source — 512,000 lines of TypeScript — inside an npm package. The resulting clean-room rewrite became the fastest-growing GitHub repo in history. Here's exactly what the architecture reveals, and what you can take from it as an engineer.
AI AgentsClaude CodeTypeScript
November 5, 2025
TOON vs JSON: Supercharge Your LLM Prompts & Cut Token Costs
Token-Oriented Object Notation (TOON) is a compact, LLM-optimized alternative to JSON for serializing structured, mostly flat/tabular data. By removing repeated field names, quotes and redundant punctuation, TOON reduces token usage by roughly 30–60% in real-world AI workflows, leading to lower API bills, larger usable context windows, and often better model retrieval accuracy.
AILLMJSON