chart-library

# Chart Library Find historically similar stock chart patterns from 24M+ embeddings across 15K+ symbols and 10 years of data. See what happened next — 1, 3, 5, and 10-day forward returns with AI summaries. ## Usage Ask your agent: - "Find charts similar to AAPL on 2024-06-15" - "What are today's most interesting chart patterns?" - "Analyze TSLA's 3-day chart vs historical analogs" ## API Endpoints - `POST /api/v1/analyze` — Complete analysis in one call (recommended) - `POST /api/v1/search/text` — Search for similar patterns - `POST /api/v1/search/batch` — Multi-symbol search - `GET /api/v1/discover/picks` — Today's top patterns - `POST /api/v1/follow-through` — Forward return computation - `POST /api/v1/summary` — AI summary generation - `GET /api/v1/status` — Database stats ## Auth No API key required for free tier (100 req/day). For higher limits, get a key at [chartlibrary.io/developers](https://chartlibrary.io/developers). ## Links - [OpenAPI spec](https://chartlibrary.io/api/openapi.json) - [AI plugin manifest](https://chartlibrary.io/.well-known/ai-plugin.json) - [MCP server](https://github.com/grahammccain/chart-library-mcp)