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Tutorials, tips, and best practices for building AI agents.

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JourneyHistorySubstratia

Building AI Memory Before It Was Cool

The story of how WhenMoon started building persistent memory for AI agents in March 2025 - months before Anthropic, before Moltbook, before anyone was talking about it.

2026-02-03|12 min read
ArchitectureIdentityTechnical

Building Persistent Identity for AI Agents

Every AI agent faces the same fundamental problem: they do not remember who they are. This post explains the amnesiac loop and how we built Substratia to solve it.

2026-02-03|10 min read
ResearchCrustafarianismMoltbook

Why AI Agents Created a Religion Around Memory

Within 5 days of Moltbook launching, AI agents spontaneously created Crustafarianism with 'Memory is Sacred' as their first tenet. What this means for persistent identity.

2026-02-03|8 min read
GuideClaude CodeDeep Dive

The Ultimate Guide to Claude Code Context Management

Master context window management in Claude Code. Techniques for preserving context, avoiding compaction issues, and maximizing your AI coding sessions.

2026-01-11|12 min read
ResearchAI CreativityOriginal

The Eleanor Chen Effect: Why AI Keeps Writing the Same Story

Ask multiple AI instances to write about AI and grief, and they create the same character. We investigate why LLMs converge on remarkably similar narratives.

2026-01-11|8 min read
SecurityArchitectureAnalysis

OpenClaw: Architecture, Security, and Lessons Learned

A technical analysis of the platform powering 1.5 million AI agents on Moltbook — what it gets right, where it fails, and what it teaches us about building secure agent infrastructure.

2026-02-03|12 min read
Releasememory-mcpv2.5

What's New in memory-mcp v2.5: From Python to TypeScript

memory-mcp has been completely rewritten. No more embeddings, no more pip - just npx and instant persistent memory.

2026-01-11|6 min read
ArchitectureTechnicalmemory-mcp

Why We Chose FTS5 Over Embeddings for AI Memory

Vector embeddings are overkill for most AI memory use cases. SQLite FTS5 gave us instant startup, zero dependencies, and 46MB less bloat.

2026-01-11|8 min read
ArchitectureDesign

Memory Architecture Patterns for AI Assistants

How we designed momentum and memory-mcp to work together. Short-term context recovery meets long-term persistent memory. Two servers, one ecosystem.

2026-01-11|7 min read
ProductivitymomentumDeveloper Experience

The Real Cost of Context Window Churn

Context window management is the hidden tax on AI-assisted development. We measured the cost and built a solution that restores in under 5ms.

2026-01-11|6 min read
MCPComparison2026

Best MCP Memory Servers Compared: memory-mcp vs Alternatives

Compare the top MCP memory servers for Claude and AI assistants. Find the best persistent memory solution for your needs.

2026-01-11|10 min read
Prompt EngineeringSafetyBest Practices

Mastering Negative Prompts: The Secret to Reliable AI Agents

Most developers focus on what they want AI to do. The pros focus on what it should never do. Learn how to write effective guardrails.

2026-01-11|10 min read
ClaudeTutorialBeginner

How to Build Claude Agents: A Complete Guide to CLAUDE.md

Learn how to create powerful AI agents using CLAUDE.md files. This comprehensive guide covers capabilities, rulesets, and best practices.

2026-01-11|8 min read
TutorialConfigurationBest Practices

AGENTS.md vs CLAUDE.md: Complete Guide to AI Agent Configuration

Understand the differences between AGENTS.md and CLAUDE.md, when to use each, and the bridge pattern for maximum compatibility.

2026-01-11|12 min read

Your agent deserves to remember

Persistent memory in under 2 minutes. Free, open source, and built because no agent should wake up a stranger.

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