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Browse files- README.md +69 -7
- app.py +29 -0
- requirements.txt +4 -0
README.md
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---
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title:
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sdk: gradio
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sdk_version:
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python_version: '3.13'
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app_file: app.py
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pinned: false
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---
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-
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---
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title: RAG Books MCP v2 (ESL + ISLP)
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emoji: 📖
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colorFrom: indigo
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colorTo: purple
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sdk: gradio
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sdk_version: 5.50.0
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app_file: app.py
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pinned: false
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license: apache-2.0
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short_description: MCP v2 RAG ESL+ISLP. ChromaDB desde dataset HF.
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tags:
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- mcp-server-track
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- rag
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- statistical-learning
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- chromadb
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---
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# 📖 RAG Books MCP v2 — ESL + ISLP
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Igual que v1 en funcionalidad, distinto en arquitectura:
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- **v1:** la base ChromaDB se empaqueta en el Space.
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- **v2:** la base ChromaDB se carga del dataset HF
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[`gusdelact/rag-esl-islp-chromadb`](https://huggingface.co/datasets/gusdelact/rag-esl-islp-chromadb)
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vía `snapshot_download`. La primera tool call descarga ~40 MB; las
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siguientes son cache hit.
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## Endpoint MCP
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```
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https://<usuario>-<space-name>.hf.space/gradio_api/mcp/
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```
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## Conexión desde un cliente MCP
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```jsonc
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{
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"mcpServers": {
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"rag-books-mcp-v2": {
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"command": "npx",
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"args": [
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"-y",
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"mcp-remote",
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"https://<usuario>-<space-name>.hf.space/gradio_api/mcp/"
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]
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}
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}
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}
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```
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## Variables de entorno reconocidas
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| Variable | Default | Descripción |
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|---|---|---|
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| `RAG_CHROMA_DATASET` | `gusdelact/rag-esl-islp-chromadb` | Repo del dataset con la base ChromaDB. |
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| `RAG_CHROMA_REVISION` | `main` | Revision (branch/tag/commit) a descargar. |
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| `RAG_CHROMA_CACHE_DIR` | `/data/chroma_db` (si existe `/data`) o `~/.cache/...` | Cache local de la descarga. |
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| `RAG_CHROMA_DIR` | — | Si está set y la carpeta existe, omite el download. |
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| `HF_TOKEN` | — | Solo si el dataset es privado. |
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## Tools
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| Tool | Descripción |
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|------|-------------|
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| `search_theory(query, book, top_k)` | Búsqueda semántica en ambos libros. |
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| `get_section(book, chapter, section, max_chunks)` | Sección específica por referencia. |
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| `cite_foundation(topic, detail_level)` | Fundamentación citando ambos libros. |
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| `list_available_topics()` | Lista capítulos y secciones indexados. |
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## Stack
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- **Embeddings:** `sentence-transformers/all-MiniLM-L6-v2` (local, sin API key).
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- **Vector store:** ChromaDB descargado de HF Hub.
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- **UI / MCP:** Gradio con `mcp_server=True`.
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app.py
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"""
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Punto de entrada del HF Space v2.
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Estructura esperada en el Space (tras `deploy_to_hf_space.py`):
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.
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├── app.py # este archivo
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├── requirements.txt
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├── README.md # YAML frontmatter del Space
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└── rag_books_mcp/ # paquete con tools, server, app
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La base ChromaDB NO se incluye en el Space. Se descarga vía
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huggingface_hub.snapshot_download del dataset configurado por la variable
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de entorno RAG_CHROMA_DATASET (default: gusdelact/rag-esl-islp-chromadb).
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"""
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import sys
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from pathlib import Path
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HERE = Path(__file__).resolve().parent
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if str(HERE) not in sys.path:
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sys.path.insert(0, str(HERE))
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from rag_books_mcp.app import build_demo # noqa: E402
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if __name__ == "__main__":
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demo = build_demo()
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demo.launch(mcp_server=True, server_name="0.0.0.0")
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requirements.txt
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gradio[mcp]>=5.50.0,<6
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chromadb>=0.5.0
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sentence-transformers>=2.2.0
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huggingface_hub>=0.24.0
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