PyPI Stats
  • Insights
  • PyPI
  • GitHub
  • Search
  • Compare
  • Advisories
  • Ecosystem
  • About
Home

Assertions Python Packages

Python packages with the GitHub topic assertions. Sorted by relevance, with stars and monthly downloads.
pandera-dev
pandera

A light-weight, flexible, and expressive statistical data testing library

8.8M 4K 395
srittau
asserts

Stand-alone Assertions for Python

107K 16 1
grappa-py
grappa

Behavior-oriented, expressive, human-friendly Python assertion library for the 21st century

11K 133 14
blackwell-systems
mcp-assert

Test your MCP server against the real protocol. Any language, any transport. No mocks, no imports, no language lock-in.

8K 4 1
csparpa
fluentcheck

Fluent assertions for Python

5K 85 9
blackwell-systems
pytest-mcp-assert

Test your MCP server against the real protocol. Any language, any transport. No mocks, no imports, no language lock-in.

3K 4 1
nlesc-nano
assertionlib

A package for performing assertions and providing informative exception messages.

3K 1 1
SentienceAPI
sentienceapi

A verification-first runtime for AI web agents — with Jest-style assertions and token-efficient snapshots

2K 7 0
desplega-ai
business-use

Lightweight Python SDK for Business-Use event tracking and assertions

1K 2 0
sbroenne
pytest-llm-assert

Natural language assertions for pytest using LLMs

1K 1 0
Predicate-Labs
predicate-runtime

A verification-first runtime for AI web agents — with Jest-style assertions and token-efficient snapshots

878 6 0
desplega-ai
business-use-core

Business-Use Core CLI

788 2 0
Predicate-Labs
predicate-sdk

A verification-first runtime for AI web agents — with Jest-style assertions and token-efficient snapshots

770 6 0
VictorKuenstler
fluent-assertions

Fluent API for assertions supporting pytest, designed with simplicity and ease of use in mind.

562 4 0
grappa-py
grappa-http

HTTP assertion plugin for grappa

406 10 3
GenesisCoast
conditions-py

conditions-py is a library that helps write pre- and postcondition validations in a fluent manner, helping improve the readability and reliability of code.

367 0 0
SentienceAPI
sentience-python

A verification-first runtime for AI web agents — with Jest-style assertions and token-efficient snapshots

339 7 0
Predicate-Labs
predicatelabs

Python SDK for Sentience AI Agent Browser Automation

258 6 0
tybruno
assertify

Simple, Flexible, and Extendable python3.6+ library for boolean expressions, assertions, and verifications.

197 1 0
pybrainn
ml-assert

A comprehensive assertion-and-validation toolkit for ML workflows.

187 2 0
Ygor-J
sql-guard

A small package for data quality rules using SQL

149 5 0
skippdot
flexible-matchers

Lightweight, zero-dependency mock assertion helpers with flexible numeric and string matching

131 1 0
abeltavares
pysertive

No description available

86 6 1
    • Data from PyPI, GitHub, ClickHouse, and BigQuery