Zero Dependency Python Packages

ochre

🏜️ A down-to-earth approach to colors

zignal-processing

zero-dependency image processing library

graphrefly

Reactive harness layer for agent workflows. Describe automations in plain language, trace every decision, enforce policies, persist checkpoints. Python. Zero dependencies.

tremolo

Tremolo is a stream-oriented, asynchronous, programmable HTTP server written in pure Python. It can also serve as an ASGI server.

zerodep

Zero-dependency, single-file Python implementations of popular libraries — benchmarked for performance parity

graph-tool-call

Graph-based tool retrieval for LLM agents — 248 tools → 82% accuracy, 79% fewer tokens. Zero dependencies. OpenAPI / MCP / LangChain.

md-spreadsheet-parser

A robust, zero-dependency Python library for parsing, validating, and manipulating Markdown tables, including conversion from Excel to Markdown.

raztint

Lightweight cross-platform terminal colors and icons for Python CLIs.

pico-ioc

A minimalist, zero-dependency Inversion of Control (IoC) container for Python. 🚀 It uses decorators for automatic component discovery and lazy instantiation, helping you build clean, modular, and easily testable applications.

weilink

Lightweight Python SDK for WeChat iLink Bot protocol

pytuck

A lightweight, pure Python document database with multi-engine support. No SQL required - manage your data through Python objects and methods. ✨纯Python实现的轻量级文档数据库，支持多种存储引擎，无SQL，通过对象和方法管理数据。

pyresilience

Unified resilience patterns for Python — retry, circuit breaker, timeout, fallback, bulkhead, rate limiter, and cache in one decorator. Python's Resilience4j.

lambda-gateway

Simple HTTP server to invoke a Lambda function locally

pyilink

Alias package for weilink - Lightweight Python SDK for WeChat iLink Bot protocol

quent

Write pipeline code once — runs sync or async automatically. Pure Python, zero dependencies.

intentshield

Pre-execution intent verification for AI agents

zodify

Zod-inspired validation for Python. Zero deps. One engine.

agent-loop-guard

Framework-agnostic agent loop detection — sliding window similarity scoring to catch stuck agents

quotes-convert

Convert matching double-quotes to single-quotes or vice versa in strings and streams. Inspired by the popular to-single-quotes npm package

llm-degen-guard

Model-agnostic LLM output degeneration detector — 4-signal composite scoring in a single pass

post-archiver-improved

A Python package for archiving YouTube community posts with zero dependencies

prismalog

A high-performance Python logging library designed for multiprocessing environments. Features colored output, multiprocessing support, and flexible configuration. Benchmarks show up to 29K msgs/sec with minimal memory footprint. Zero external dependencies.

hue-shift

A standalone color generator for terminal output with ~ 16-17 million colors.

yapee

Yet Another Python Event Emitter