Assertions Python Packages

pandera

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

asserts

Stand-alone Assertions for Python

grappa

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

mcp-assert

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

fluentcheck

Fluent assertions for Python

pytest-mcp-assert

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

assertionlib

A package for performing assertions and providing informative exception messages.

sentienceapi

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

business-use

Lightweight Python SDK for Business-Use event tracking and assertions

pytest-llm-assert

Natural language assertions for pytest using LLMs

predicate-runtime

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

business-use-core

Business-Use Core CLI

predicate-sdk

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

fluent-assertions

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

grappa-http

HTTP assertion plugin for grappa

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.

sentience-python

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

predicatelabs

Python SDK for Sentience AI Agent Browser Automation

assertify

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

ml-assert

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

sql-guard

A small package for data quality rules using SQL

flexible-matchers

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

pysertive

No description available