Token & Cost
Claude Code Rate Limits: Why You Hit Them and How to Stay Under
Hitting Claude Code rate limits? The root cause is usually high tokens per request, not total usage. Here's the math and the fixes.
Nicola·
AllAI Models(4)Antigravity(2)Best Practices(8)Comparisons(16)Context Engineering(17)Copilot(5)Cost & Optimization(18)Cursor(7)Cursor First-Party vs(1)Features & Workflow(16)Language Specific(6)MCP 2026-07-28 Spec:(1)Self-Hosted Coding Model(2)Token & Cost(19)Windsurf(3)
Context Engineering
Cross-Agent Context: How to Share Memory Between Cursor, Claude Code, and Codex
Using Cursor, Claude Code, and Codex? Each tool starts from zero every session. Here's how to build shared context across AI coding agents — and why it matters.
Nicola·
Language Specific
Using Claude Code with FastAPI: Benchmark-Proven Token Optimization
Benchmark results from 21 runs on a real FastAPI project: 65% fewer input tokens, 57% lower cost, 14pp better task completion. Full methodology and setup guide.
Nicola·
Context Engineering
Stale Context in AI Coding: When Yesterday's Knowledge Breaks Today's Code
Stale context causes AI coding bugs that look like hallucinations but aren't. Here's why it happens, why it's getting worse, and how to detect it.
Nicola·
Token & Cost
Claude Code Token Optimization: Manual Tips vs Automated Context Engine
Compare manual Claude Code token-saving tactics with automated context engines like vexp, with real numbers on savings, tradeoffs, and setup.
Nicola·
Cost & Optimization
Prompt Engineering vs Context Engineering: Which Saves More Tokens?
Prompt engineering vs context engineering: which actually saves more tokens? Real numbers show context engineering delivers 10x the cost reduction — here's why.
Nicola·
Token & Cost
Claude Code Context Window Keeps Filling Up? Here's the Root Cause
Why Claude Code sessions degrade over time, what’s really filling your context window, and how vexp-style context engineering fixes it.
Nicola·
Token & Cost
90% of Claude Code Tokens Are Wasted on Exploration — Here's Proof
Most tokens in a typical Claude Code session are exploration overhead and history accumulation — not useful work. Here's the data and what to do about it.
Nicola·
Features & Workflow
Building a Memory Bank for Claude Code (That Survives Session Resets)
Claude Code starts every session with zero memory of previous work. Here's how to build a three-layer memory bank - CLAUDE.md files, dynamic mem dir, automated session memory with vexp.
Nicola·