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Blog

Systems, patterns, and lessons from building with Claude Code.

Connect Claude.ai, Cowork & Claude Code with Shared Memory

Connect Claude.ai, Cowork & Claude Code with Shared Memory

Stop losing context between Claude.ai, Cowork, and Claude Code. One free system prompt and Kairn MCP give all three Claude Code surfaces shared memory.

2026-04-07|6 min
claude-codekairnmcpevolving-litecowork
59 Experiments on Claude Code Agent Behavior

59 Experiments on Claude Code Agent Behavior

I tested 6 psychological personality profiles across 59 Claude Code agent runs. One paragraph changes agent behavior by 300% on ambiguous tasks.

2026-04-04|5 min
claude-codeagentsbenchmarkautomation
Claude Code Adaptive Research: Autonomous Loops That Learn

Claude Code Adaptive Research: Autonomous Loops That Learn

Claude Code adaptive research automates the entire loop. One command, quality-gated reports, personalized to your projects. Gets smarter every run.

2026-03-31|5 min
claude-codeautomationresearchplugins
Claude Code System Design: 5 Breakthroughs from Biology, Not CS

Claude Code System Design: 5 Breakthroughs from Biology, Not CS

How slime mold routing, PageRank, and quantum physics built a better Claude Code system architecture than 18 months of AI papers ever could.

2026-03-25|8 min
claude-codesystem-architectureagentsknowledge-graphoptimization
Claude Code tmux Orchestration: Parallel AI Sessions

Claude Code tmux Orchestration: Parallel AI Sessions

Claude Code sub-agents hit turn limits fast. tmux orchestration spawns full sessions with hooks, MCP, and 1M context. Here's how to build it.

2026-03-22|5 min
claude-codeautomationagentsorchestration
Claude Code Persistent Memory with Evolving Lite

Claude Code Persistent Memory with Evolving Lite

Give Claude Code persistent memory that learns automatically. Evolving Lite + Kairn replace manual session logging with a self-evolving knowledge graph.

2026-03-20|5 min
claude-codememoryevolving-litekairnopen-source
CLAUDE.md Rules: Split Instructions Across Files

CLAUDE.md Rules: Split Instructions Across Files

Claude Code's .claude/rules/ directory lets you modularize CLAUDE.md instructions. Here's how I cut context bloat by 73% using a 2-tier rules system.

2026-03-11|5 min
claude-codeCLAUDE.mdrulesproductivity
Why Your Claude Code Agents Agree With Each Other

Why Your Claude Code Agents Agree With Each Other

Multi-agent Claude Code analysis converges on shared blind spots. Structural divergence with 7 cognitive lenses fixes it. Open source.

2026-03-09|5 min
claude-codeagentsopen-sourceanalysis
Claude Code Team Guardrails That Stop AI Chaos

Claude Code Team Guardrails That Stop AI Chaos

5 devs prompting Claude Code differently means 5 different outputs. Shared configs, rules, and hooks enforce consistency across your team.

2026-03-08|5 min
claude-codeteamcollaborationhooks
Claude Code Planning Framework: UPF + DSV Reasoning in One System

Claude Code Planning Framework: UPF + DSV Reasoning in One System

How I use a 4-stage Claude Code planning framework built on DSV reasoning to catch wrong questions before they become expensive wrong answers.

2026-03-01|10 min
claude-codeplanningreasoningai-agentsarchitecture
Claude Code Session Memory: Build Systems, Not Sessions

Claude Code Session Memory: Build Systems, Not Sessions

Most Claude Code memory plugins solve storage. This free plugin adds a complete session management system - memory, handoffs, learnings - in 60 seconds.

2026-02-28|5 min
claude-codesession-managementmemoryplugin
Claude Code Prompt Caching: The One Rule Behind It [2026]

Claude Code Prompt Caching: The One Rule Behind It [2026]

Prompt caching drives every Claude Code design decision. Here's how prefix matching works and how to stop accidentally breaking your cache.

2026-02-27|9 min
claude-codeprompt-cachingoptimizationcontextcost
Claude Code Session Management: Why I Stopped Restarting

Claude Code Session Management: Why I Stopped Restarting

I tested Claude Code's prompt cache with a marker injection. Here's what breaks it, what's safe, and a loop strategy that keeps your cache warm.

2026-02-27|5 min
claude-codesession-managementprompt-cachingoptimization
Claude Code MCP: From One Server to a Full Tool System [2026]

Claude Code MCP: From One Server to a Full Tool System [2026]

Claude Code MCP goes beyond single-server setups. Here's how to organize multiple servers, manage context overhead, and build a tool system that scales.

2026-02-22|10 min
claude-codemcparchitecturetools
Claude Code vs Cursor: Which AI Coding Tool Fits You? [2026]

Claude Code vs Cursor: Which AI Coding Tool Fits You? [2026]

Claude Code vs Cursor in 2026 - both have agents now. Here's what actually differs and how to choose based on how you work.

2026-02-22|12 min
claude-codeagentsworkflowtoolscomparison
Why Skill Graphs Beat Flat Files in Claude Code

Why Skill Graphs Beat Flat Files in Claude Code

Flat files break at scale. Build a Claude Code knowledge graph that lets agents navigate 400+ components with progressive disclosure.

2026-02-20|5 min
claude-codeknowledge-grapharchitectureagents
How Claude Code Learns From Every Correction I Make

How Claude Code Learns From Every Correction I Make

I built a hook that detects when I correct Claude Code and generates persistent behavioral rules. Corrections become permanent improvements automatically.

2026-02-17|5 min
claude-codehooksautomationself-correction
Auto-Delegation in Claude Code: Score-Based Task Routing

Auto-Delegation in Claude Code: Score-Based Task Routing

A scoring formula that automatically routes Claude Code tasks to sub-agents and selects the right model. Zero manual routing decisions needed.

2026-02-17|5 min
claude-codeagentsdelegationautomation
Trait-Based Agent Composition in Claude Code

Trait-Based Agent Composition in Claude Code

How I replaced 56 hardcoded Claude Code agent files with a 3-dimension trait system. 10 expertise x 8 personality x 6 approach = 480 agents on demand.

2026-02-17|5 min
claude-codeagentsarchitectureautomation
How I Plan Complex Projects With Claude Code (Open-Source)

How I Plan Complex Projects With Claude Code (Open-Source)

After 117 failed plans I built a 3-stage planning framework for Claude Code. It catches the gaps that only surface during execution. Now it is open-source.

2026-02-16|5 min
claude-codeplanningopen-sourceproductivityworkflow
Claude Code Hooks: Automate Your Workflow [2026]

Claude Code Hooks: Automate Your Workflow [2026]

Claude Code hooks run shell commands on 25 event types. Here's how to configure them, what each hook type does, and 5 production hooks with working code.

2026-02-15|12 min
claude-codehooksautomationproductivitytutorial
5 Real CLAUDE.md Files You Can Copy Today (With Templates)

5 Real CLAUDE.md Files You Can Copy Today (With Templates)

Stop staring at a blank CLAUDE.md. Here are 5 production-ready Claude Code templates for different project types - minimal, agent-heavy, and monorepo.

2026-02-14|5 min
claude-codeCLAUDE.mdsetuptemplatestutorial
Claude Code Context Window: Stop Wasting Tokens [2026]

Claude Code Context Window: Stop Wasting Tokens [2026]

Claude Code loads context before you type. Here's what fills the window, what survives compaction, and how to keep sessions sharp.

2026-02-13|10 min
contextclaude-codeoptimizationtoken
From 1 to 81 Agents: Building a Sub-Agent System in Claude Code

From 1 to 81 Agents: Building a Sub-Agent System in Claude Code

How I built a multi-agent delegation system with 81 specialized agents in Claude Code. The full architecture, trade-offs, and lessons learned at scale.

2026-02-13|5 min
agentsclaude-codedelegationarchitecture
Claude Code Persistent Memory: Setup Guide [2026]

Claude Code Persistent Memory: Setup Guide [2026]

Claude Code has built-in memory now. Here's how to set it up, what it misses, and how to build a full persistent memory system on top.

2026-02-13|10 min
memoryclaude-codetutorialproductivity
Self-Correcting Claude Code Workflows with PreToolUse Hooks

Self-Correcting Claude Code Workflows with PreToolUse Hooks

Build self-correcting Claude Code workflows using PreToolUse hooks that detect context drift and inject relevant context mid-session automatically.

2026-02-13|5 min
claude-codehooksautomationworkflow