Blog

• Inside Claude Code: Coordinators and Swarms2026-05-07

  Claude Code's two multi-agent modes: a coordinator with disposable workers, and a swarm of teammates in terminal panes.

  Claude CodeMulti-Agent
• Inside Claude Code: Dreaming2026-05-05

  Once a day, Claude Code forks a background agent to consolidate its memories — the source calls it dreaming.

  Claude CodeMemory
• Inside Claude Code: Speculative Execution2026-05-03

  Claude Code speculatively runs your predicted next turn while you're idle, then commits it if you accept.

  Claude CodePerformance
• Inside Claude Code: Anti-Distillation and Undercover Mode2026-04-19

  Claude Code's two hidden defenses — one against model distillation, one against leaking internal codenames.

  Claude CodeSecurity
• Inside Claude Code: Security Layer2026-04-17

  How Claude Code guards a tool call: an auto-mode AI classifier, fail-closed gates, and 23 Bash security rules.

  Claude CodeSecurity
• Inside Claude Code: Five-Level Context Compression2026-04-15

  Five compression strategies, applied lightest to heaviest, keep Claude Code's context window from overflowing.

  Claude CodeCompression
• Inside Claude Code: Three-Tier Memory Architecture2026-04-13

  Claude Code fights long-session context drift with a hot-warm-cold, three-tier memory architecture.

  Claude CodeMemory
• Inside Claude Code: Retrieval Strategy2026-04-11

  Claude Code skips RAG entirely, letting the agent grep and a small metadata index handle retrieval.

  Claude CodeRetrieval
• Inside Claude Code: System Prompt Cache Splitting2026-04-09

  Claude Code splits its system prompt at a sentinel boundary to keep the cacheable prefix stable.

  Claude CodeCaching
• Inside Claude Code: Read/Write Concurrency Separation2026-04-07

  Claude Code runs tools concurrently using the read/write-lock pattern straight out of databases.

  Claude CodeConcurrency
• Inside Claude Code: Tool Design2026-04-05

  How Claude Code's 40+ built-in tools are registered, deferred, and locked down with fail-closed defaults.

  Claude CodeTools
• Inside Claude Code: The Agent Loop2026-04-03

  The autonomous agent at the heart of Claude Code is, underneath, a single while(true) loop.

  Claude CodeAgent Loop
• Inside Claude Code: Overview2026-04-01

  An end-to-end tour of Claude Code's architecture, and why it's all fundamentals rather than secret sauce.

  Claude CodeArchitecture
• Mastering Claude Code in 30 minutes2026-01-01

  Learn advanced features, shortcuts, and workflows to get the most from Claude Code.

  Claude CodeProductivity