Stdlib Python Packages

stdlibs

What's in the Python stdlib

frequenz-core

Core utilities to complement Python's standard library

t1-t2-protocol

MCP server for heterogeneous AI validation — T1 structured reasoning, T2 cross-model evaluation, and deterministic checksum. Python stdlib-only.

nx-ai-engineer

NX AI Engineer — a stdlib-only Developer Infrastructure Platform that organizes knowledge, context and execution to potentiate any AI model during software development. It never replaces the model.

aioplus

Because asyncio.gather() is not enough!

nda-review-cli

Agent-first NDA review, drafting, and two-party negotiation CLI. Deterministic rules; opt-in LLM (Anthropic/OpenAI/Ollama). Hash-chained negotiation state. Part of the eight-CLI contract-ops suite — cli.drbaher.com

backlib

Backports for the Python standard library.

atomic-json-io

Crash-safe atomic JSON/text/JSONL writer (tmp + fsync + os.replace) with thread-safe and process-safe concurrency. Python stdlib only — zero dependencies.

python-utils-rondomondo

Reusable Python utilities for dates, money, and more

aiostdlib

Only the standard library... but asynchronous!

pywho

One command to explain your Python environment, trace imports, and detect shadows.

codechu-fmt

Stdlib-only human-readable formatters — durations, rates, sizes.

argus-audit

Scope-gated white-hat security audit + pentest orchestrator. Authz vault, intel layer (NVD/KEV/EPSS), 5 scanners. Stdlib-only Python.

zpe-video

Perception receipts for AI video pipelines. Cross-writer bit-exact under default settings (SHA-256 stable across writers in any language). Zero runtime dependencies; pure stdlib core. ~1.1 KB per video; per-frame CRC32 + schema + versioning. Useful now, improving continuously.

nano-csv2json

Tiny CSV → JSON Lines converter in ~1KB (zero deps)