Similarity Search Api Sdk

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "similarity-search-api-sdk": {
      "type": "http",
      "url": "https://similarity-search-api-production.up.railway.app/mcp"
    }
  }
}

3 tools

• nexus_similarity_search_api_rank_items_by_nmi_cosine_fusion

  Ranks a corpus of items against a query vector using a calibrated fusion score (alpha * cosine + (1-alpha) * NMI_normalizado), where alpha is auto-derived from the corpus's marginal entropy unless overridden. Results are identified by their 0-indexed position in corpus_vectors…

• nexus_similarity_search_api_estimate_corpus_entropy_profile

  Computes the aggregate entropy-calibrated alpha for a corpus without running a full search -- useful to inspect before committing to a large rank_items_by_nmi_cosine_fusion call. Returns a single aggregate corpus_entropy value, NOT a per-dimension breakdown -- the real logic…

• nexus_similarity_search_api_score_pair_nmi_cosine

  Computes the NMI-cosine fusion score for exactly one (query, target) vector pair at a fixed alpha. Use for explainability, debugging, or unit-level validation of fusion scores before running full corpus ranking. Unlike corpus-level ranking, alpha is NOT auto-calibrated for a…

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