Structured Output Python Packages

json-repair

Repair malformed JSON from LLMs, APIs, logs, and user input in Python.

prompture

Prompture is an API-first library for requesting structured JSON output from LLMs (or any structure), validating it against a schema, and running comparative tests between models.

jevper

Jev-shaped (TypeSafe System One) classification wrapper over OpenAI-like clients

qzx

QZX by Alejandro Sánchez: cross-platform commands and structured JSON for AI agents; reference implementation of QZX Result Contract v1 with MCP 2025-06-18 to 2026-07-28 interoperability profiles.

jev-judge-mcp

Typed judgment tools for MCP agents. TypeSafe's Jev model as verify, screen, find, classify, rerank, decide, compare, extract, review, gate, and score: the model judges, policy decides auto, review, or escalate.

gda

Godot automation for AI agents to build and verify projects through a CLI, Agent Skill, or MCP server, with structured results, headless operations, and live runtime control.

logsentinelai

LLM-powered security log analyzer: detect threats & anomalies with zero regex — just declare a Pydantic schema. Real-time Telegram alerts, SIEM-ready with Elasticsearch/Kibana. Supports OpenAI, Ollama, vLLM.

thunc

Call an LLM like a typed Python function. Docstring is the prompt, return type is the contract.

simplerllm

Python library for building with LLMs. One interface across 11 providers (OpenAI, Anthropic, Gemini, DeepSeek, Ollama and more), automatic failover, Pydantic-validated structured output, embeddings with vector search, and an AI-powered router. pip install simplerllm

llm-async

Async multi‑provider LLM client for Python

selectools

Production-ready Python framework for AI agents with built-in guardrails, audit logging, cost tracking, and hybrid RAG. Supports OpenAI, Anthropic, Gemini, Ollama. By NichevLabs.

functai

Typed functions whose body a language model writes: run them on tables, measure how often they're right, make them better. Python, TypeScript, R and Julia.

aqven-llm

Python framework + local Studio for reliable LLM workflows: typed files in your repo, pre-run checks, experiments and evals, MCP server for coding agents

vincio

The context engineering platform for AI applications — compile prompts, memory, retrieval, tools, schemas & policies into optimized, validated, observable context packets.

baissarienterprises-llm-wiki

A production-grade knowledge base operating system — AI agents compile raw sources into persistent, cross-linked Markdown wikis with concurrency control, multi-provider LLM integration, FTS5 search, and community detection. One repo. Any agent. Any machine.

aqven

Python framework + local Studio for reliable LLM workflows: typed files in your repo, pre-run checks, experiments and evals, MCP server for coding agents

selfjev

selfjev: an open decisions model (selfjev-4b) with Jev's API. SDK, server, fine-tuning and RLCD.

jevlint

A linting tool combining static analysis and Jev queries to help improve... Jev queries

blackgeorge

Code-first Python framework for AI agents: LLM tool calling, structured outputs with Pydantic, multi-agent orchestration, pause/resume workflows, and MCP tools. Works with OpenAI, Anthropic, DeepSeek, and 100+ providers via LiteLLM.

restruct-cv

Extract structured JSON from single-column resumes. Supported formats: PDF (OCR) · DOCX · PNG · JPEG

summonpot

A contract-first Python framework for modernizing APIs for AI through exact application behavior and explicitly bounded agent-owned decisions.

typedout-py

Reliable structured output from OpenAI and Anthropic — schema-validated JSON with tolerant repair and error-aware retries, with a provider interface for others.

synapsekit

Minimal, async-first Python framework for production LLM apps- 2 hard deps, no magic, no SaaS.

dynaprompt

dynaprompt: handle your prompts better