{
  "schema": "https://hlido.eu/schemas/attestation/v1.json",
  "schema_version": "1.0",
  "slug": "langchain",
  "name": "LangChain",
  "score": 90,
  "tier": "VITAL",
  "category": "Frameworks & Eval",
  "evidence_count": 5,
  "proof_depth": null,
  "last_tested": "2026-05-01",
  "review_url": "https://hlido.eu/reviews/langchain/",
  "scorecard_url": "https://hlido.eu/data/scorecards/langchain.json",
  "signature": "8de6040bff1be221d918dc0fce32da1aa2cf7d989c1fdc827fbfd0fa48b632c6",
  "signed_at": "2026-05-09T22:33:53.150Z"
}