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Concepts

Types

Categories with AI guidance that shape how capsules are created and interpreted.

Types are the categories that organize your capsules. But they're more than folders. Each Type carries guidance that tells AI how to create and interpret capsules of that Type.

Guidance

The guidance field is where the real power of Horatius lives. It's a set of instructions (up to 5,000 characters) that AI follows when creating or reading capsules of that Type.

For example, a "Solutions" Type might have guidance like:

Include the symptoms observed, relevant error logs, the root cause analysis, and the fix applied. Structure with ### headings for each section.

When you ask an AI assistant to "Save this as a Solution", it reads the Type's guidance and structures the capsule accordingly.

Built-in vs Custom Types

Horatius comes with a default "General" Type. You can create as many custom Types as you need:

  • Solutions: troubleshooting guides with symptoms and fixes
  • Decisions: architectural choices with pros, cons, and rationale
  • Prompts: reusable prompt templates you can run with run_capsule_prompt
  • Experiments: things you tried, what worked, what didn't

Creating Types

Types can be created via the Web UI or through MCP using the create_type tool.

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