# Stoic Sage

> A semantic search engine and curated reference for the writings of Marcus Aurelius, Seneca, and Epictetus.

Stoic Sage offers more than 1,400 passages, thematic essays, semantic search, and grounded AI explanations. Public read endpoints require no authentication.

## Primary content

- [Homepage](https://stoicsage.ai/index.md): Site overview and agent entry points.
- [Thematic notes](https://stoicsage.ai/notes/index.md): Curated essays on Stoic ideas and practice.
- [API documentation](https://stoicsage.ai/docs/api): Human-readable API reference.
- [OpenAPI document](https://stoicsage.ai/openapi.json): Machine-readable API contract.

## Agent interfaces

- [MCP server card](https://stoicsage.ai/.well-known/mcp/server-card.json): Streamable HTTP MCP server at /mcp.
- [A2A agent card](https://stoicsage.ai/.well-known/agent-card.json): A2A message/send interface.
- [Agent Skills](https://stoicsage.ai/.well-known/agent-skills/index.json): Discoverable instructions for search and daily reflections.
- [AI Catalog](https://stoicsage.ai/.well-known/ai-catalog.json): Typed catalog of agent capabilities.

## Access and attribution

- [robots.txt](https://stoicsage.ai/robots.txt): Crawl and AI-use policy.
- [Authentication](https://stoicsage.ai/auth.md): Public access and admin-token model.
- [security.txt](https://stoicsage.ai/.well-known/security.txt): Where to report a vulnerability.