nauro-core

Shared pure-Python library for the Nauro ecosystem. Provides parsing, validation, context assembly, and constants used by both the Nauro CLI and the remote MCP server.

Installation

pip install nauro-core

What's inside

  • decision_model — the Pydantic Decision model plus compiled regexes and parse_decision/format_decision for the Nauro markdown protocol (decision titles, metadata fields, section headers)
  • constants — limits, thresholds, valid values, file paths shared across all Nauro surfaces
  • parsing — pure markdown→data helpers: extract_stack_summary, decisions_summary_lines (decision parsing lives in decision_model.parse_decision, which returns a validated Decision)
  • context — build_l0/build_l1/build_l2 context assembly from pre-loaded files and parsed decisions
  • validation: structural screening, hash dedup, and BM25 retrieval of related decisions

Design principles

  • No I/O — no filesystem, no network; callers inject pre-loaded data. Runtime dependencies are compute-only (BM25, parsing, validation); embeddings are an optional extra (nauro-core[embeddings])
  • Function injection — callers pass pre-loaded data (files: dict[str, str], decisions: list[dict]); nauro-core never reads files or calls APIs
  • Import isolation — enforced via import-linter: nauro-core cannot import from nauro or mcp_server

Usage

from nauro_core import parse_decision, build_l0, compute_hash

# Parse a decision markdown file
decision = parse_decision(markdown_content, "042-use-s3.md")

# Build L0 context from pre-loaded files
context = build_l0(files={"state.md": state, "stack.md": stack}, decisions=decisions)

# Check for duplicate decisions
hash_val = compute_hash(title="Use S3 for storage", rationale="...")

License

Apache 2.0

Project links

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Credits

Author: Thomas Thomsen

GitHub Statistics

Data verified by PyPI on Aug 31, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

Apache-2.0
View SPDX License List

Requires

Python >=3.10

Provides Extra

dev embeddings

Classifiers

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