{"domain":"similarity-search-api-production.up.railway.app","count":1,"changes":[{"captured_at":"2026-07-27T10:52:24","card_hash":"4b65ca0c9f5744e2c084f5d4d5df6a5982ca893bf7537dff1228b545d78dc886","previous_card_hash":null,"diff":{"skills_added":[{"id":"nexus_similarity_search_api_estimate_corpus_entropy_profile","name":"Corpus Entropy and Calibrated Alpha Estimator","description":"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. Requires a valid api_key (same as X-API-Key) and an x402 payment.","tags":["entropy","calibration"],"inputModes":null,"outputModes":null},{"id":"nexus_similarity_search_api_rank_items_by_nmi_cosine_fusion","name":"NMI-Cosine Fused Similarity Ranking","description":"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 (this tool does not accept explicit item IDs). Requires a valid api_key (same as X-API-Key) and an x402 payment.","tags":["similarity-search","embeddings","nmi","cosine-similarity"],"inputModes":null,"outputModes":null},{"id":"nexus_similarity_search_api_score_pair_nmi_cosine","name":"Single-Pair NMI-Cosine Scorer","description":"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. Requires a valid api_key (same as X-API-Key) and an x402 payment.","tags":["similarity-search","debugging"],"inputModes":null,"outputModes":null}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"Calibrated Similarity Search API"},{"field":"description","before":null,"after":"Stateless NMI + cosine fusion with entropy-driven alpha calibration"},{"field":"version","before":null,"after":"1.0.0"},{"field":"url","before":null,"after":"https://similarity-search-api-production.up.railway.app"},{"field":"documentationUrl","before":null,"after":"https://similarity-search-api-production.up.railway.app/docs"}],"other_changed":true,"is_empty":false,"human_summary":"added 3 skills · name ∅ → Calibrated Similarity Search API · description ∅ → Stateless NMI + cosine fusion with entro · version ∅ → 1.0.0 · url ∅ → https://similarity-search-api-production · documentationUrl ∅ → https://similarity-search-api-production"}}]}