Rust API Reference

The complete Rust API documentation is auto-generated from source code with cargo doc and deployed alongside this site.

Browse the API

cvx-core — Core types, traits, and configuration cvx-index — ST-HNSW temporal index engine cvx-analytics — Temporal analytics (calculus, signatures, topology, anchors) cvx-storage — Tiered storage (WAL, hot/warm/cold) cvx-ingest — Ingestion pipeline cvx-query — Query engine cvx-server — gRPC server

Crate Architecture

cvx-core          Shared types, traits (DistanceMetric, TemporalFilter, TemporalPoint)
  ├── cvx-index   ST-HNSW graph with roaring bitmap filtering
  ├── cvx-analytics  19 analytical functions (calculus, signatures, topology, anchors)
  ├── cvx-storage    WAL + RocksDB (hot) + file-based (warm) tiered storage
  ├── cvx-ingest     Batch and streaming ingestion
  ├── cvx-query      Query planning and execution
  └── cvx-server     gRPC API server

Key Modules

cvx-analytics

Module	Functions	Description
`calculus`	`velocity`, `acceleration`, `drift_report`, `hurst_exponent`, `realized_volatility`	Vector differential calculus
`anchor`	`project_to_anchors`, `anchor_summary`	Reference frame projection (RFC-006)
`signatures`	`compute_signature`, `compute_log_signature`	Path signatures from rough path theory
`pelt`	`detect`	PELT offline change point detection
`point_process`	`extract_event_features`	Temporal event pattern analysis
`topology`	`topological_summary`	Persistent homology (Betti curves)
`wasserstein`	`wasserstein_drift`	Sliced Wasserstein optimal transport
`fisher_rao`	`fisher_rao_distance`, `hellinger_distance`	Riemannian distributional distances
`trajectory`	`discrete_frechet_temporal`	Frechet distance between trajectories
`cohort`	`cohort_drift`	Cohort-level drift, convergence, outliers (RFC-007)
`temporal_join`	`temporal_join`, `group_temporal_join`	Convergence window detection (RFC-007)
`motifs`	`discover_motifs`, `discover_discords`	Matrix Profile recurring patterns (RFC-007)
`granger`	`granger_causality`	VAR-based Granger causality testing (RFC-007)
`counterfactual`	`counterfactual_trajectory`	Pre-change extrapolation + divergence (RFC-007)
`anchor_index`	`AnchorSpaceIndex`	Cross-model anchor-space index (RFC-011)

cvx-index

Module	Types	Description
`hnsw`	`HnswGraph`, `HnswConfig`	Vanilla HNSW with scalar quantization
`hnsw::temporal`	`TemporalHnsw`	Spatiotemporal HNSW with entity tracking
`hnsw::concurrent`	`ConcurrentTemporalHnsw`	Thread-safe concurrent index
`hnsw::partitioned`	`PartitionedTemporalHnsw`	Time-partitioned sharding (RFC-008)
`hnsw::streaming`	`StreamingTemporalHnsw`	Hot buffer + compaction (RFC-008)
`hnsw::temporal_lsh`	`TemporalLSH`	Spatiotemporal locality hashing (RFC-008)
`hnsw::temporal_edges`	`TemporalEdgeLayer`	Temporal successor edges (RFC-010)
`hnsw::temporal_graph`	`TemporalGraphIndex`	Hybrid causal search (RFC-010)
`metrics`	`L2Distance`, `CosineDistance`, `DotProductDistance`	Distance metrics with SIMD

cvx-mcp

Module	Types	Description
`server`	`McpServer`	MCP JSON-RPC server with 8 LLM tools (RFC-009)
`embedder`	`MockEmbedder`, `OnnxEmbedder`	Inline text→vector conversion (RFC-009)

cvx-core

Type	Description
`TemporalPoint`	Vector with entity_id, timestamp, metadata
`TemporalFilter`	Query constraints (Snapshot, Range, Before, After, All)
`DistanceMetric`	Trait for distance functions
`CvxConfig`	System configuration (TOML-serializable)

Generating Locally

cargo doc --workspace --no-deps --open

This opens the full API documentation in your browser, including all private items and cross-linked source code.

Python Bindings

The Python API (chronos_vector module) is a subset of the Rust API exposed via PyO3. See the Temporal Analytics Toolkit for the Python function reference.