Output Parsing Prompt Engineering Tools

There are 58 output parsing tools tracked. 1 score above 50 (established tier). The highest-rated is Leonxlnx/agentic-ai-prompt-research at 56/100 with 2,023 stars. 1 of the top 10 are actively maintained.

Get all 58 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=prompt-engineering&subcategory=output-parsing&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

# Tool Score Tier
1 Leonxlnx/agentic-ai-prompt-research

Research into how agentic AI coding assistants work — reconstructed prompt...

56
Established
2 jefftriplett/files-to-claude-xml

Use XML tags for long context prompting using Claude's multi-document structure.

41
Emerging
3 antonio0720/writing-intelligence

75 files. 76,327 words. The most advanced writing compiler ever open-sourced...

41
Emerging
4 madara88645/Compiler

A tool that compiles messy natural language prompts into a structured...

36
Emerging
5 m727ichael/context-engineering

Information architecture for AI reasoning. PromptOS + HITL Context Engine....

35
Emerging
6 yanzai-4/Contrix

Turn any LLM into a reliable local JSON API | Contract-first local LLM API...

29
Experimental
7 199-biotechnologies/douglas-adamiser

Claude Code skill: transform any text into Douglas Adams' style, calibrated...

26
Experimental
8 199-biotechnologies/humanise-text-skill

Strip AI writing patterns from any text. Claude Code skill with 507-entry...

24
Experimental
9 PerceptronCipher/prompt-scorer

Paste any AI prompt and get an instant quality score with actionable...

24
Experimental
10 bigboskuai-prog/mece-skill

Enforce MECE checks to find overlaps, gaps, and cleanly decompose specs,...

24
Experimental
11 dot-prompt/dotprompt

A compiled language for LLM prompts. Define structure, branching, and...

23
Experimental
12 thushanthbengre22-dev/jtml

Schema-first JSON encoding for token-efficient LLM prompts — ~60% fewer...

23
Experimental
13 quanttraderkim/instructionguard

Local-first instruction persistence and memory integrity for AI agents.

23
Experimental
14 markoblogo/ID

Portable standard for structured human-AI interaction context

23
Experimental
15 mekedron/ClipSlop

ClipSlop - a macOS app that transforms any text with AI. Select, press a...

23
Experimental
16 baojiachen0214/karlmarx-skill

Arming AI with Marxist methodology for deep structural analysis

23
Experimental
17 mkim87404/ComfyUI-TransformerLLMTaskRunner

ComfyUI Custom Node for running Transformer LLMs with zero dependency...

22
Experimental
18 antonigreat281/archflow

Build architecture diagrams in your codebase for clear, versioned system docs

22
Experimental
19 ElliotOne/nl-prompt-versioning-ab-evaluation

Local-first C# project for deterministic prompt versioning, A/B evaluation,...

22
Experimental
20 iogiuseppemosca/ai-app-factory

21 battle-tested skills to build, ship, and monetize an AI app as a solo...

22
Experimental
21 copyleftdev/nim-toon

Nim implementation of TOON (Token-Oriented Object Notation): compact,...

22
Experimental
22 narsixlive/0-to-hero

Open-source system to structure your Claude workflow with specialized agents...

22
Experimental
23 Living-Mirrors/learn-mode

A cognitive specification that adapts how any AI presents information to...

22
Experimental
24 Victoriakaey/build-reliable-agents

15 engineering skills for building reliable LLM agents in Claude Code....

22
Experimental
25 lourosscs50/AIL

A.I.L. (AI Intelligence Layer) is a modular platform for managing,...

22
Experimental
26 Living-Mirrors/imagineer-mode

A cognitive specification that changes how any AI builds. Seven principles...

22
Experimental
27 chriscantu/claude-config

Portable, version-controlled Claude Code configuration — structured...

22
Experimental
28 Umair-IITD/Tabular_Prediction_Using_LLM

LLM-based tabular prediction system using advanced prompt engineering...

22
Experimental
29 jkdkr2439/Structured_Reasoning

Structured Reasoning Geometry for LLMs — 4x faster, more accurate inference...

22
Experimental
30 shahdelkaranshawy/ai-sales-assistant

LLM + knowledge graph sales assistant concept (Oracle PGQL schema,...

22
Experimental
31 mousejackson-cpu/zhuifeng-ai-community

Self-hosted community edition for AI image generation, prompt extraction,...

22
Experimental
32 indulgeback/claude-code-memory-skill

Clean-room layered memory skill reconstructed from public Claude Code memory...

22
Experimental
33 Samuel-Shek/prompt-optimizer-skill

Turn rough prompts, system prompts, and agent instructions into polished,...

22
Experimental
34 TejasBhone/ridgeway-admission-assistant

A structured LLM persona for college admission workflows, including...

20
Experimental
35 AKzar1el/AKzar1el

Technical Founder & Backend Developer specializing in production-grade AI...

20
Experimental
36 jaa41/soppia-framework

A Structured Prompting Framework for the Proportional Assessment of...

19
Experimental
37 MinhKhoixyz/xyz-project-mapper

A lightweight web utility to map project structures

18
Experimental
38 bosq-dev/story-graph

Turn free-text chatbot interactions into structured knowledge graphs.

17
Experimental
39 w7-mgfcode/validate-information-llms

Professional prompt engineering toolkit for academic research using LLMs. 10...

17
Experimental
40 VaradDurge/PromptFuzz

Adversarial security testing for LLM apps — fuzz for prompt injection,...

17
Experimental
41 TimsTittus/Architecter

A recursive AI logic engine that transforms raw, unstructured requirements...

16
Experimental
42 MsheesAI/Prompt_engineering_Patterns

Learn ABout Prompt Engineering In Structured Way

16
Experimental
43 falconwest/skill-pl-new-application-parser

Take personal lines application information and turn into consolidated data...

14
Experimental
44 sharathStack/LLM-Prompt-Engineering-Evaluation-Toolkit

Benchmarks 5 prompt strategies (zero-shot, CoT, few-shot, role-based,...

14
Experimental
45 samuel-dobrancin-qa/perplexity-ai-evaluation

Structured evaluation of Perplexity AI across three test cases using...

14
Experimental
46 sngillard/ai_camping_assistant

AI-powered assistant for finding campsites on roadtrips, built with Python...

14
Experimental
47 aboodshurbjy/ai-structured-extractor

Lightweight Python pipeline for extracting structured JSON from unstructured...

14
Experimental
48 BhaveshBhakta/LLM-Based-Meta-Prompt-Optimization-System

An AI-powered system that transforms simple user inputs into high-quality,...

14
Experimental
49 dgsilvino/miniguia-estudos-notebooklm

Caderno Temático sobre Cyber Security, mitigação de Ransomwares e Framework...

14
Experimental
50 msaly/repo-context-exporter

Exports source repositories into compact Markdown context files for LLM...

14
Experimental
51 shyamsrujan/soc-ai-playbook

AI-augmented Tier 1 SOC analyst triage workflow — Splunk BOTS dataset +...

14
Experimental
52 gpaiva00/pt-en-prompt

A Claude Code skill that translates colloquial Brazilian Portuguese messages...

14
Experimental
53 stomatoloq/Gemini-Image-JSON-Prompt-Crafter

A zero-dependency, offline-first visual UI for crafting production-ready...

14
Experimental
54 kaich1981/ai-dev-harness

A structured system to build AI-powered applications with control, not chaos.

14
Experimental
55 liyexin156-code/si-session-generator

AI-powered Streamlit app for generating structured SI sessions

14
Experimental
56 sindura-v/tech-ai-newsletter

Automated Tech & AI morning digest: fetches 25 articles daily from...

14
Experimental
57 urvashivankar/prompt-refinement-system

AI-powered Prompt Refinement System that enhances user inputs using NLP and...

11
Experimental
58 Mfissier/Balistix-language-LLM

Redefining prompt engineering as structured cognition.

10
Experimental