Best Safest PyPI Packages 2026
The #1 safest pypi packages in 2026 is awscli with a Nerq Trust Score of 81/100 (A-), based on Nerq's independent analysis of 50 safest pypi packages across 5 trust dimensions. Rankings update daily — last updated: 2026-04-05.
According to Nerq's analysis, the top 5 safest pypi packages by trust score are: 1. awscli (81/100), 2. anthropic (81/100), 3. bleach (81/100), 4. lxml (81/100), 5. coverage (81/100). Nerq Trust Scores range from 79 to 81 among the top 50. Scores are based on 5 independent trust dimensions including security, maintenance, and community adoption. Updated daily.
Top 50 Safest PyPI Packages by Nerq Trust Score
| # | Name | Trust | Grade | Stars | Description |
|---|---|---|---|---|---|
| 1 | awscli | 81 | A- | 101217.6k | Universal Command Line Environment for AWS. |
| 2 | anthropic | 81 | A- | 19615.1k | The official Python library for the anthropic API |
| 3 | bleach | 81 | A- | 14215.0k | An easy safelist-based HTML-sanitizing tool. |
| 4 | lxml | 81 | A- | 62070.5k | Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API. |
| 5 | coverage | 81 | A- | 55370.0k | Code coverage measurement for Python |
| 6 | langchain | 81 | A- | 52207.7k | Building applications with LLMs through composability |
| 7 | sympy | 81 | A- | 37672.1k | Computer algebra system (CAS) in Python |
| 8 | mypy | 81 | A- | 31768.8k | Optional static typing for Python |
| 9 | sentry-sdk | 81 | A- | 26990.9k | Python client for Sentry (https://sentry.io) |
| 10 | langsmith | 81 | A- | 17397.3k | Client library to connect to the LangSmith Observability and Evaluation Platform. |
| 11 | argcomplete | 81 | A- | 16059.3k | Bash tab completion for argparse |
| 12 | ray | 81 | A- | 11620.3k | Ray provides a simple, universal API for building distributed applications. |
| 13 | slack-sdk | 81 | A- | 18872.9k | The Slack API Platform SDK for Python |
| 14 | botocore | 81 | A- | 273580.2k | Low-level, data-driven core of boto 3. |
| 15 | google-cloud-storage | 81 | A- | 51552.1k | Google Cloud Storage API client library |
| 16 | opencv-python | 81 | A- | 10769.8k | Wrapper package for OpenCV python bindings. |
| 17 | cython | 81 | A- | 26775.6k | The Cython compiler for writing C extensions in the Python language. |
| 18 | litellm | 81 | A- | 21487.8k | Library to easily interface with LLM API providers |
| 19 | aliyun-python-sdk-core | 81 | A- | 19375.0k | The core module of Aliyun Python SDK. |
| 20 | amqp | 81 | A- | 10862.9k | Low-level AMQP client for Python (fork of amqplib). |
| 21 | charset-normalizer | 81 | A- | 289802.2k | The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chard... |
| 22 | pygments | 81 | A- | 168400.0k | Pygments is a syntax highlighting package written in Python. |
| 23 | pandas | 81 | A- | 137448.6k | Powerful data structures for data analysis, time series, and statistics |
| 24 | httpx | 81 | A- | 114476.9k | The next generation HTTP client. |
| 25 | transformers | 81 | A- | 29252.9k | Transformers: the model-definition framework for state-of-the-art machine learning models in text, v... |
| 26 | datasets | 81 | A- | 16324.3k | HuggingFace community-driven open-source library of datasets |
| 27 | plotly | 81 | A- | 13779.0k | An open-source interactive data visualization library for Python |
| 28 | aenum | 81 | A- | 11332.7k | Advanced Enumerations (compatible with Python's stdlib Enum), NamedTuples, and NamedConstants |
| 29 | billiard | 81 | A- | 11021.4k | Python multiprocessing fork with improvements and bugfixes |
| 30 | aiohttp | 81 | A- | 93596.9k | Async http client/server framework (asyncio) |
| 31 | azure-storage-blob | 81 | A- | 27365.3k | Microsoft Azure Blob Storage Client Library for Python |
| 32 | weaviate-client | 81 | A- | 12971.4k | A python native Weaviate client |
| 33 | selenium | 81 | A- | 12220.1k | Official Python bindings for Selenium WebDriver |
| 34 | huggingface-hub | 81 | A- | 47675.5k | Client library to download and publish models, datasets and other repos on the huggingface.co hub |
| 35 | langchain-core | 81 | A- | 22716.8k | Building applications with LLMs through composability |
| 36 | torch | 80 | B+ | 19707.1k | Tensors and Dynamic neural networks in Python with strong GPU acceleration |
| 37 | checkov | 79 | B+ | 7282.9k | Infrastructure as code static analysis |
| 38 | sendgrid | 79 | B+ | 7197.4k | Twilio SendGrid library for Python |
| 39 | pyright | 79 | B+ | 6919.7k | Command line wrapper for pyright |
| 40 | azure-datalake-store | 79 | B+ | 5603.1k | Azure Data Lake Store Filesystem Client Library for Python |
| 41 | aws-sam-translator | 79 | B+ | 5383.4k | AWS SAM Translator is a library that transform SAM templates into AWS CloudFormation templates |
| 42 | wandb | 79 | B+ | 5081.6k | A CLI and library for interacting with the Weights & Biases API. |
| 43 | blis | 79 | B+ | 5014.7k | The Blis BLAS-like linear algebra library, as a self-contained C-extension. |
| 44 | modal | 79 | B+ | 4366.0k | Python client library for Modal |
| 45 | qdrant-client | 79 | B+ | 3583.0k | Client library for the Qdrant vector search engine |
| 46 | aws-lambda-powertools | 79 | B+ | 4779.4k | Powertools for AWS Lambda (Python) is a developer toolkit to implement Serverless best practices and... |
| 47 | fabric | 79 | B+ | 2803.8k | High level SSH command execution |
| 48 | motor | 79 | B+ | 1911.3k | Non-blocking MongoDB driver for Tornado or asyncio |
| 49 | mlflow | 79 | B+ | 7515.0k | MLflow is an open source platform for the complete machine learning lifecycle |
| 50 | azure-storage-queue | 79 | B+ | 7394.4k | Microsoft Azure Azure Queue Storage Client Library for Python |
How We Rank Safest PyPI Packages
These safest pypi packages are ranked by Nerq Trust Score, which evaluates security, maintenance, community adoption, and transparency across multiple data points. Only entities with a trust score of 30 or above are included. Scores are updated continuously as new data becomes available.
FAQ
What are the best safest pypi packages in 2026?
Based on Nerq Trust Scores, the top-ranked safest pypi packages are listed above, scored on security, activity, documentation, and community metrics.
How are safest pypi packages ranked?
Nerq ranks tools using Trust Score v2, which combines security analysis, maintenance activity, documentation quality, and community adoption signals.
Are these safest pypi packages safe to use?
Each tool has an individual safety report. Click any tool name to see its detailed trust analysis.
What does a Nerq Trust Score of A mean?
An A grade (80-89) means the entity has strong signals across security, maintenance, documentation, and community adoption. A+ (90-100) is the highest possible rating.
How does Nerq evaluate safest pypi packages?
Nerq analyzes safest pypi packages across multiple dimensions including security vulnerabilities, license compliance, maintenance activity, documentation quality, and community adoption. Each dimension is scored independently and combined into an overall Trust Score (0-100).