Installation

pip install solvi              # core: numpy, scipy, pydantic (imported only for typed parts and serialization)
pip install "solvi[model]"     # + torch, transformers, for the ModernBERT extractors (solvi.extract_*) and the decider
pip install "solvi[onnx]"      # + onnxruntime, tokenizers: the decider (solvi.decide) on CPU without torch
pip install "solvi[serve]"     # + fastapi, uvicorn: solvi serve over HTTP
pip install "solvi[mcp]"       # + the official MCP SDK for solvi serve --mcp (without it, a built-in stdio server is used)
pip install "solvi[otel]"      # + opentelemetry: decisions as OpenTelemetry spans (solvi.otel)
pip install "solvi[duckdb]"    # + duckdb: stored decisions in a DuckDB file; "solvi[postgres]" for PostgreSQL
pip install "solvi[langgraph]" # the solvi.agents adapters: also "solvi[pydantic-ai]", "solvi[openai-agents]"
pip install "solvi[lora]"      # + torch, transformers, peft: part.adapt_lora, a LoRA adapter per question (experimental)

For development, from a clone: uv sync, then uv run pytest.