Open-source projects tagged “json-schema”

The specification, TypeScript and JSON Schema definitions, and official documentation for the Model Context Protocol (MCP), an open standard for connecting AI applications to external tools and data.

A Python library that constrains LLM outputs during generation so they match a given type, regex, JSON schema, or grammar.

A fast Python serialization and validation library that encodes and decodes JSON, MessagePack, YAML, and TOML using standard type annotations.

A dependency-free TypeScript engine and React/script-tag component that renders JSON project data as an interactive, draggable Gantt chart.