# Astronomy Core — LLM discovery

> Sky data API for developers and AI agents.

- OpenAPI: https://astronomycore.com/openapi.yaml
- Capabilities (JSON): https://api.astronomycore.com/v1/capabilities
- Portal: https://astronomycore.com
- API base: https://api.astronomycore.com
- MCP: local stdio bridge — setup at https://astronomycore.com/docs#mcp (repo: mcp/README.md)

## Quick start

1. Read GET /v1/capabilities (no auth)
2. Create API key at https://astronomycore.com/dashboard
3. Call GET /v1/snapshots?latitude=LAT&longitude=LON&include=minimal
   Header: Authorization: Bearer ac_live_...

## Example

curl -H "Authorization: Bearer YOUR_KEY" \
  "https://api.astronomycore.com/v1/bodies/moon?latitude=41.9&longitude=12.5"

## Auth

- Sky endpoints: Bearer ac_live_... or ac_test_...
- Account keys: Bearer Firebase ID token

Calculations: astronomy-engine (MIT). Astronomy Core is an independent hosted service.