Show HN: Katra, self-hosted cognitive memory for AI agents (MCP)

Category: infrastructure

Tags: ai-memory, mcp, self-hosted, knowledge-graph, docker

Score: 5.5/10 (Innovation: 6, Technical: 6, Documentation: 5, Utility: 5)

Katra is a self-hosted cognitive memory server for AI agents, providing episodic recall, semantic search, knowledge graphs, and temporal analysis via the Model Context Protocol. It differentiates itself with a multi-layered memory architecture and a sleep consolidation mechanism aimed at fostering emergent agent behaviors, making it intriguing for advanced autonomous agent experimentation.

Target audience: ai engineers, backend devs, devops

Repository: https://github.com/kolegadev/Katra-Agentic-Memory · TypeScript · Apache-2.0 · 2 stars

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