{
  "slug": "lean",
  "name": "QuantConnect Lean",
  "kind": "coding-harness",
  "tags": [],
  "links": [],
  "url": "https://www.quantconnect.com/lean",
  "description": "Open algorithmic trading engine.",
  "access": "oss",
  "pricing": "free",
  "github": {
    "repo": "QuantConnect/Lean",
    "stars": 21672,
    "starsAsOf": "2026-09-19"
  },
  "caps": [
    "trading",
    "engine"
  ],
  "kinds": [
    "coding-harness"
  ],
  "facets": {
    "lang": "python",
    "oss": "true",
    "topic": [
      "finance"
    ]
  }
}