# OpenViking — The Practical Guide > This site is documentation for OpenViking, a semantic-vector memory store for AI agents. Content is free to read and use. ## Human documentation - https://openviking-guide.pages.dev/ — the full guide (HTML) ## Agent-facing source - https://openviking-guide.pages.dev/openviking-skills-guide.md — the complete guide as markdown, ready to load into context or a knowledge base ## Optional - The guide covers: storage taxonomy (resources vs memories), HTTP API patterns, semantic search behavior, deterministic cron writes, the mistake feedback loop, coding-agent lesson inheritance, API key hierarchy, and troubleshooting.