Agent skill
retrieval-patterns
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/retrieval-patterns-skill
SKILL.md
Retrieval Patterns SKILL
1. Hybrid Search (BM25 + Semantic)
from langchain.retrievers import EnsembleRetriever
ensemble = EnsembleRetriever(
retrievers=[bm25_retriever, semantic_retriever],
weights=[0.5, 0.5]
)
2. MMR (Maximal Marginal Relevance)
retriever = vector_store.as_retriever(
search_type="mmr",
search_kwargs={"k": 5, "lambda_mult": 0.5}
)
3. Cross-Encoder Reranking
from langchain.retrievers.document_compressors import CrossEncoderReranker
compressor = CrossEncoderReranker(
model_name="cross-encoder/ms-marco-MiniLM-L-6-v2"
)
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