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The Kronvex Scrolls · Mnémosyne

Memory.
Architecture.
Intelligence.

Technical essays on AI agent memory, persistent context, B2B agent design, and the systems that remember.

"Memory is the treasury and guardian of all things." — Cicero, De Oratore
— Marcus Tullius Cicero · 55 BC
⚭ Mnémosyne · Memory in Writing
# Persistent memory for AI agents
from kronvex import Kronvex
client = Kronvex("kv-...")
agent = client.agent("id")
# Store context
agent.remember("User prefers formal tone")
# Recall before LLM call
ctx = agent.inject_context(query=msg)
🚀 Launch 🇪🇺 EU

Introducing Kronvex: Persistent Memory API — GDPR Native, Built in Europe

Your AI agents forget everything between sessions. Kronvex fixes that — GDPR compliant, data hosted in Europe, 5-minute setup.

Mar 18, 2026 · 6 min Read →
All articles · 35 scrolls
01
GDPR and AI Agents: Data Retention, Erasure Rights, and EU Hosting
Embeddings are personal data. Article 17 applies. Here's a complete compliance guide for EU teams building AI agents with memory.
GDPR
Mar 202612 min
 02
Why EU-Hosted Memory Matters for GDPR: The Complete Guide
Every memory call is a potential Chapter V transfer. Schrems II, DPF fragility, and why "EU-hosted" is the only unassailable compliance path.
GDPR
Mar 202611 min
 03
AI Agent Memory: Complete Guide 2026
Types, use cases, architecture patterns, and how to add persistent memory in 3 API calls — the definitive guide.
Guide
Mar 2026 14 min
04
Episodic, Semantic, Procedural — Choosing the Right Memory Type
The three memory types that mirror human cognition — and why using the wrong one hurts recall precision
Deep dive
Mar 2026 7 min
05
RAG vs Agent Memory in 2026 — Differences & When to Use Each
RAG retrieves documents. Memory persists user context. Most production agents need both — full comparison table, code examples, architecture patterns.
Deep Dive
Mar 2026 11 min
06
Building a Production Support Agent with Memory
FastAPI + Kronvex + RAG. Complete walkthrough from zero to shipped, with production checklist.
Tutorial
Mar 2026 12 min
07
LangChain Persistent Memory — Cross-session context with Python
LangChain forgets between sessions. Here's how to fix it with a custom BaseMemory and Kronvex as the memory store.
Tutorial
Mar 2026 9 min
08
CrewAI Persistent Memory — Agents that remember across runs
CrewAI forgets everything when a run ends. Here's how to add persistent memory to any crew with custom @tool decorators and Kronvex.
Tutorial
Mar 20268 min
 09
Persistent Memory in n8n AI Workflows — No-code tutorial
n8n forgets between runs. Three HTTP Request nodes and 5 minutes is all it takes to add persistent, semantic memory to any n8n AI workflow.
Tutorial
Mar 20267 min
 10
GDPR Compliance for AI Agents: A Practical Developer's Guide
Right to erasure, data minimization, consent tracking, data portability and retention policies — with Python code examples.
Compliance
Mar 20268 min
 11
Zep Community Edition Deprecated: Best Alternatives for AI Agent Memory (2026)
Zep shut down its free self-hosted edition. We compare Kronvex, Mem0, Letta, and DIY pgvector — with full migration guide and code snippets.
Migration
Mar 202610 min
 12
How to Add Persistent Memory to Claude Code and Cursor (2026)
Give your AI coding tools memory that persists across sessions — Claude Code, Cursor, Windsurf — using MCP and the Kronvex REST API. 15-minute setup.
MCP
Mar 20268 min
 13
LangGraph Persistent Memory: State That Survives Between Runs (2026)
LangGraph's MemorySaver is in-process only — lost on restart. Learn how to add real cross-session persistent memory to LangGraph agents with Kronvex.
LangGraph
Mar 20269 min
 14
AutoGen Persistent Memory: Cross-Session State for Multi-Agent Systems (2026)
AutoGen agents lose all history between runs. Add persistent cross-session memory to ConversableAgent and multi-agent crews using the Kronvex vector memory API.
AutoGen
Mar 202610 min
 15
HNSW vs IVFFlat: Choosing the Right pgvector Index
How pgvector's HNSW index achieves sub-40ms recall at scale — and when IVFFlat is the better choice.
Engineering
Mar 2026 8 min
16
Memory Decay & TTL in AI Systems
Why memories should expire — and how to implement graceful decay with confidence scoring and TTL policies.
Deep Dive
Mar 2026 7 min
17
Multi-Agent Memory Patterns: Sharing Context Across Agent Crews
Patterns for sharing context between agents in a crew — when to isolate, when to share, and how to avoid memory collision.
Guide
Mar 2026 9 min
18
Memory-Driven Personalization at Scale
How access_count and confidence scores let you build agents that get smarter over time — without retraining.
Deep Dive
Mar 2026 8 min
19
Introducing Kronvex: Persistent Memory API for AI Agents
Why we built Kronvex — GDPR native, hosted in Europe, and designed for the agentic era.
Launch
Mar 2026 6 min
20
OpenAI Agents SDK Memory: How to Add Persistent State
The OpenAI Agents SDK has no built-in memory persistence. Learn how to integrate Kronvex to give your OpenAI agents long-term memory.
OpenAI
Mar 2026 8 min
21
Vector Databases for AI Agents: pgvector vs Pinecone vs Weaviate
Comparing vector database options for AI agent memory. What matters for production: latency, EU region, SQL joins, confidence scoring.
Infrastructure
Mar 2026 9 min
22
AI Agent Memory in Python: A Complete Implementation Guide
Step-by-step guide to implementing persistent memory in Python AI agents. Episodic, semantic, procedural — with full code examples.
Python
Mar 2026 10 min
23
Fine-Tuning vs Memory: Why Your AI Agent Doesn't Need Retraining
Fine-tuning is expensive and slow. Discover why persistent memory beats fine-tuning for most AI agent use cases — with benchmarks.
Architecture
Mar 2026 9 min
24
Dify AI Memory: Adding Persistent State to Dify Workflows
Dify's built-in memory is session-scoped. Learn how to add cross-session persistent memory to Dify agents using the Kronvex API.
Dify
Mar 2026 7 min
26
Chatbot Memory: How to Make Your Bot Remember Users
Most chatbots forget everything when the session ends. This guide shows you how to implement persistent chatbot memory that works across sessions, devices, and time.
Guide
Mar 2026 9 min
27
Flowise Memory: Adding Persistent State to Your Chatflows
Flowise's built-in memory resets on every chatflow restart. Learn how to add persistent cross-session memory to Flowise using the Kronvex API.
Integration
Mar 2026 7 min
28
Semantic Search for AI Agents: How pgvector Powers Intelligent Memory Recall
How semantic search enables AI agents to recall relevant memories by meaning, not keywords. Deep dive into pgvector cosine similarity, HNSW, and confidence scoring.
Guide
Mar 2026 8 min
29
Mem0 Alternative: Why Builders Switch to Kronvex
Mem0 is solid but jumps from $19 to $249 the moment you need graph memory. Here's a detailed comparison and migration guide for EU-focused teams.
Comparison
Mar 2026 10 min
30
Vector Database vs Memory API: What Your AI Agent Actually Needs
Devs use Pinecone for agent memory and reinvent the wheel. Here's the difference between raw vector search and a purpose-built memory API with confidence scoring.
Deep Dive
Mar 2026 11 min
31
Building a Memory MCP Server for Claude: Persistent Context Across Sessions
Claude forgets everything between conversations. This guide shows you how to build a Kronvex-backed MCP memory server that gives Claude persistent context.
MCP
Mar 2026 8 min
32
AutoGen Persistent Memory: Long-Term Context for Your AutoGen Agents
AutoGen's ConversableAgent resets on every run. Learn how to give your AutoGen agents persistent memory with hook-based middleware and the Kronvex API.
AutoGen
Mar 2026 9 min
33
LangSmith + Kronvex: Observability and Persistent Memory Together
LangSmith traces what happened. Kronvex remembers what matters. How to use both in production LangChain pipelines.
Integration
Mar 20268 min
 34
OpenAI Assistants API vs Custom Memory: When Thread History Isn't Enough
Assistants threads reset, truncate silently, and store data in the US. Here's when to add a real memory layer on top.
Comparison
Apr 20269 min
 35
Context Window Management for AI Agents: Never Run Out of Tokens
128k tokens sounds like a lot — until your agent has real memory. Semantic compression, inject-context, and tiered memory strategies.
Guide
Apr 202610 min
 36
CLAUDE.md Is Not Memory — Here's What Is
CLAUDE.md and Obsidian vaults are clever hacks — but they break the moment you have multiple users. Replace file-based memory with a proper API in 10 minutes.
Dev Tools
Apr 20269 min
 37
Persistent Memory for Cursor IDE — MCP Setup Guide
Cursor starts every session from scratch. Add Kronvex MCP in 5 minutes and your AI coding sessions remember decisions, architecture, and context permanently.
Tutorial
May 20267 min
 38
Persistent Memory for Cline (VS Code) — MCP Setup Guide
Give Cline persistent memory across every VS Code session. Install the Kronvex MCP server and your AI coding assistant remembers your codebase forever.
Tutorial
May 20266 min
 39
Persistent Memory for Windsurf IDE — MCP Setup Guide
Add persistent memory to Windsurf Cascade mode using the Kronvex MCP server. Your AI agent remembers project conventions and architecture across sessions.
Tutorial
May 20266 min
 40
Persistent Memory for GitHub Copilot — MCP Setup Guide
GitHub Copilot now supports MCP. Add Kronvex to your Copilot workspace and let it remember your architecture, conventions, and codebase context forever.
Tutorial
May 20266 min
 41
Persistent Memory for Kilo Code — MCP Setup Guide
Kilo Code supports MCP servers natively. Connect Kronvex and your VS Code AI sessions will remember project decisions, patterns, and context across every workspace.
Tutorial
May 20266 min
 42
Persistent Memory for OpenCode — MCP Setup Guide
OpenCode is a fast terminal AI coding tool with MCP support. Add Kronvex memory and your agent remembers code decisions and context across every session.
Tutorial
May 20265 min
 43
ChatGPT Persistent Memory via MCP — Beyond Built-in Memory
ChatGPT's native memory is black-box and limited. Use Kronvex MCP to add real, queryable, EU-hosted persistent memory to ChatGPT Desktop and custom workflows.
Tutorial
May 20267 min
 44
Persistent Memory for Gemini CLI — Setup Guide
Add persistent memory to Google's Gemini CLI using the Kronvex REST API. Store and recall context across every Gemini CLI session with EU-hosted semantic search.
Tutorial
May 20266 min
 45
Persistent Memory for Grok / xAI SDK — Setup Guide
Add persistent memory to Grok (xAI) agents with Kronvex. Store semantic memories between API calls and build agents that remember across every conversation.
Tutorial
May 20266 min
 46
Persistent Memory for Google ADK Agents — Setup Guide
Google ADK lacks persistent cross-session memory. Add Kronvex to store and recall semantic memories for your ADK agents — EU-hosted and GDPR-compliant.
Tutorial
May 20267 min
 47
Persistent Memory for Vercel AI SDK — Next.js Setup Guide
Vercel AI SDK has no built-in memory. Add Kronvex to persist context across chat sessions with semantic recall — works with GPT-4, Claude, Gemini, and any model.
Tutorial
May 20268 min
 48
Persistent Memory for Node.js AI Agents — Kronvex SDK Guide
Add persistent memory to any Node.js AI agent with the Kronvex SDK. Install in 30 seconds, store semantic memories, recall by similarity — works with any LLM.
Tutorial
May 20266 min
 49
Persistent Memory for Claude Agent SDK — Setup Guide
Anthropic's Claude Agent SDK builds powerful agents — but has no cross-session memory. Add Kronvex to give your Claude agents persistent, semantic memory forever.
Tutorial
May 20267 min

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