Schema Validation Python Packages

gqlalchemy

GQLAlchemy is a library developed with the purpose of assisting in writing and running queries on Memgraph. GQLAlchemy supports high-level connection to Memgraph as well as modular query builder.

agent-friend

Find the MCP schema issues eating your context window. 156 checks. Grade A+ through F. ESLint for MCP.

typedframe

Typed wrappers over pandas DataFrames with schema validation

json-structure

Official SDKs for JSON Structure schema and instance validation

pydictable

Python object serializer/deserializer and schema validator with extendability!

phx-filters

Opinionated schema validation for Python - chain type-safe filters with | like UNIX pipes

pdbe-mmcif-validator

Validate mmCIF/CIF files against the PDBx/mmCIF dictionary or any CIF dictionary

se-manifest-schema

Canonical SE_MANIFEST.toml schema for Structural Explainability; dependency-free base layer for manifest validation.

logging-objects-with-schema

This library provides a logger subclass built on top of the standard `logging` module that strictly controls additional `extra` fields using a JSON schema.

mcp-json-yaml-toml

A structured data reader and writer like 'jq' and 'yq' for AI Agents

py-toolguard

The "Cloudflare for AI Agents". 7-layer security interceptor, real-time observability dashboard, and automated reliability testing for MCP and AI tool chains. Prevent hallucinations, prompt injection, and destructive tool calls.

tool-scan

Security scanner for MCP (Model Context Protocol) tools

llm-promptguard

Reliable, structured, production-safe LLM outputs with schema validation and auto-repair

validatelite

ValidateLite: A lightweight CLI for database schema validation and data quality checks. Ideal for CI/CD, ETL, and data pipelines.

kohi

A powerfull schema validator

image-text-structurizer

A new package that processes user-provided text descriptions of images and returns structured, validated outputs using pattern matching. It ensures that the generated content adheres to a predefined f

pydata-constraints

The easiest way to validate your data consistency. Ensure the quality of your files without writing code.

oblate

Python library for data validation

waveframe-stamp

Schema-agnostic structural diagnostics engine for governed research artifacts.

vf

Validation Functions (for py dicts)

gqlalchemy-tailor

GQLAlchemy is a library developed to assist with writing and running queries in Memgraph. Upgraded networkx to 3.1.0.

structured-prompts

A modular package for managing structured prompts with any LLM API

resume-yaml-builder

A new package that leverages language models to transform structured YAML data into well-formatted resume PDFs. Users provide their resume details in YAML format, and the package extracts key informat

snekspec

Validate data & generate test examples from schema