Gemini Prompt Workbenches Prompt Engineering Tools

Tools for building, testing, and experimenting with prompts specifically for Google's Gemini models, including interactive interfaces, prompt builders, and multimodal experimentation environments. Does NOT include general LLM prompt engineering frameworks, prompt libraries without hands-on editing, or non-Gemini specific tooling.

There are 86 gemini prompt workbenches tools tracked. 1 score above 50 (established tier). The highest-rated is langgptai/awesome-gemini-prompts at 53/100 with 424 stars.

Get all 86 projects as JSON

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

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

# Tool Score Tier
1 langgptai/awesome-gemini-prompts

Gemini Prompts, Gemini 3 Prompts, jailbreak, LLM Prompts, LangGPT —— by 云中江树

53
Established
2 Apoo711/Context-Engineering

🚀 A framework for Context Engineering using Google Gemini. Move beyond...

46
Emerging
3 poloclub/wordflow

Social and customizable AI writing assistant! ✍️

44
Emerging
4 lemos999/Singulari-Tea-Codex-Prompt-for-Gemini

A modular narrative simulation architecture based on the Single...

43
Emerging
5 MadBomber/aia

AI Assistant (aia) a Ruby Gem for using genAI on the CLI

40
Emerging
6 ZeroLu/awesome-gemini-ai

The ultimate collection of Awesome Gemini Prompts, use cases, and examples....

37
Emerging
7 Jsebayhi/prompt-engineering-extension

give prompt engineering skills to your gemini cli !

37
Emerging
8 mizazhaider-ceh/Ai-Terminal-X

🔥AI-Terminal-X is an AI-powered Linux terminal assistant🔥 that converts...

36
Emerging
9 supernova-app/ai-playground

Test your prompts across multiple AI models simultaneously with our open...

36
Emerging
10 clduab11/thinkrank

Revolutionizing collaborative thinking and problem-solving through...

34
Emerging
11 hakonno/gemini-docs-template

Template for AI-maintained documentation that gives agents an always...

33
Emerging
12 aj-seven/ai-hub

AI Hub - Multi-model assistant for content and chat.

30
Emerging
13 Unna07/travel-planner-agent

✈️ Streamline your travel plans with the Travel Planner Agent, an AI-powered...

26
Experimental
14 eswar-7116/altertone

A SaaS tool that detects and transforms the tone of a sentence using Google Gemini.

26
Experimental
15 ashankgupta/threadwise-ai

A smart Chrome extension that helps you generate context-aware email or chat...

25
Experimental
16 dhavalCode/textshine.ai

AI Powered Writing Tool

25
Experimental
17 iqbaldiit/Athena-Public

🏛️ Build an AI-powered personal knowledge system to efficiently manage and...

24
Experimental
18 leelesemann-sys/memoki-prompt-engine

AI-powered Memory Card Game Generator — Prompt-engineered image generation...

22
Experimental
19 FelmonFekadu/constitutional-playground

Constitutional AI Playground - An interactive platform for experimenting...

22
Experimental
20 castroxdev/dev-gx

AI software planning assistant built with Python, FastAPI and Ollama....

22
Experimental
21 bastheboss7/GenAI-Jira-Integration

A full-stack app to convert user stories into structured test cases using...

22
Experimental
22 kphutt/interview-prep

One command generates a complete technical interview prep system: deep-dive...

22
Experimental
23 Y4NN777/Y7-Jprompter

A simple web application that leverages Google's Gemini AI to convert...

22
Experimental
24 tuncaypeker/webilim.ai

A unified abstraction layer for sending prompts to multiple AI providers...

21
Experimental
25 slee124565/gemini-news-verify-skill

A Gemini CLI skill for four-dimension news credibility verification with...

21
Experimental
26 nitagon0083/SpriteSystem

Geminiの性能を最大化し作業を効率化するAI用OSプロンプト | System prompt (AI OS) to maximize Gemini...

21
Experimental
27 RaptileBytez/giulia-ai

🍷 Sophisticated, persona-driven AI assistant built with Gemini 3 Flash....

21
Experimental
28 Neon-Theon/cypherdeck

A dynamic touch-typing role-playing game in a cyberpunk hacking style....

21
Experimental
29 myselfshravan/fastiq-genai

FastIQ is an innovative platform designed to streamline the integration and...

21
Experimental
30 aiengineeringforgrandmas/gemini-prompt-engineer-toolkit

⚡Powered by Goggle TPUs and the latest (Aug 27, 2024) Gemini 1.5 Pro and...

20
Experimental
31 Sparkience-AI/SparkPrompt

SparkPrompt is a tool that generates, evaluates, and refines prompts using...

20
Experimental
32 ENGRZULQARNAIN/excelidea

Excelidea is an AI-powered brainstorming platform for entrepreneurs and...

20
Experimental
33 Feezah/gemini3-starter-prompts

🌟 Explore creative prompts for Google's Gemini 3, designed to harness its...

19
Experimental
34 CJHwong/gems.sh

A Gemini Gem Manager in your MacBook powered by Gemma

19
Experimental
35 wyattowalsh/AI-Tools

AI tools

19
Experimental
36 WiseDodge/Thread-Generator

A Gemini Gem for generating formatted thread starters for brainstorm forums.

18
Experimental
37 yohanesind/Prompt-Engineering-Portfolio-Financial-Analysis-Insurance-

I am prompt engineer who is specialized in financial analysis for insurance...

17
Experimental
38 brettdidonato/trendr-bot

Ask natural language questions about what is trending on Google Search

17
Experimental
39 ShunsukeHayashi/hayashi-agent-prompt-generator

AI agent prompt generator — Automated prompt engineering tool

15
Experimental
40 akashs101199/Ai-Scheduler-Chat-Bot

AI-powered scheduling assistant using LangChain with switchable...

14
Experimental
41 SahanashreeTalagade/bead-aura-craft-content-creator

A custom Gemini Gem that generates Instagram & WhatsApp marketing content...

14
Experimental
42 PetriLahdelma/notcringe

AI-powered social media reply generator. Paste a post, get ranked replies....

14
Experimental
43 FURUYAN1234/story-maker

Autonomous AI Story Generator using Gemini API. Multi-axis randomization...

14
Experimental
44 VSSK007/ZodicogAI

Grounding LLM reasoning in structured behavioral data. A hybrid...

14
Experimental
45 Swapnil0803/PrepAI

AI-powered interview coach built with MERN stack and Gemini API

14
Experimental
46 eboekenh/Careerpromptaiv2

AI Career Research Assistant — find tailored ChatGPT prompts for career...

14
Experimental
47 madhan-200/Chota-Architecture

A professional-grade prompt engineering workbench for Google's Gemini AI...

13
Experimental
48 stuartfsi05/Zenith-Prompt-Architect-Engine

A modular autonomous agent engine for orchestrating complex Generative AI...

13
Experimental
49 TheOmniXero/theomnixero.github.io

TheOmniXero.io is an open-source, browser-native AI automation platform that...

13
Experimental
50 ghaibhawishya-tech/prowriteai

Full-stack AI writing assistant — generates essays, resumes, LinkedIn posts,...

13
Experimental
51 soumyajiitdas/My-GenAICapstoneProject

A Generative AI-powered journaling assistant that analyzes daily entries to...

13
Experimental
52 BOBeirne/ai-persona-prompts

A collection of gemini personas

13
Experimental
53 KingTurbo/auto-prompt-engineering

A lightweight Python-based prompt-engineering pipeline for Google Gemini....

13
Experimental
54 chandrakumarprajapati/system-prompts-playground

Explore and search a curated collection of system prompts for 30+ AI tools...

13
Experimental
55 msns-1927/Career-Advisor-AI-ChatBot

Built and deployed an AI-powered Career Advisor chatbot using Google Gemini...

13
Experimental
56 Nafi7393/Midjourney-Prompt-Builder

The Midjourney Prompt Builder is a Streamlit-based tool that creates...

13
Experimental
57 jekeng/ai-codegen-cli

🤖 Generate code and tests for multiple languages using AI with this Python...

13
Experimental
58 AI-Model-Activities/Geminator

複数のAIエージェントが連携してコードを生成

13
Experimental
59 AI-Model-Activities/PromptMaster

Gemini APIでプロンプトを一発強化

13
Experimental
60 giangps/STARLprep.AI

Backend for STARLPrep.AI — a mode-based STARL interview coaching copilot...

13
Experimental
61 rohanmistry231/ai-mind-playground

Analyze how you use AI—this Next.js app scores your prompts for brain growth...

13
Experimental
62 aaditya0004/leetcode-rewriter

Turn boring LeetCode problems into memes, stories & bhai-level explanations using AI.

13
Experimental
63 edsponsler/projalyzer

AI multi-agent system using Google ADK to analyze Python projects. Generates...

13
Experimental
64 transac-ai/prompt-builder-service

TransacAI Insights Generation Service

13
Experimental
65 Monsterw31/prom-playground

🚀 Explore Prometheus and Grafana in this self-contained playground with a...

13
Experimental
66 isagargantua/autocase-ai

AI-powered QA agent that converts User Stories into complete test suites

13
Experimental
67 NobleStripes/AI-Tone-Auditor

Auditor and educational tool that analyzes ChatGPT 5.2’s “Karen-style” tone...

13
Experimental
68 djamel10000/Chota-Architecture

🛠️ Build and customize prompts for Google's Gemini models with...

13
Experimental
69 PatriciaLJohnson/AWS-PartyRock-Planner-No-Code-AI-App

AI-powered party planning assistant built with Amazon PartyRock — generates...

13
Experimental
70 andresdotguapacha/gemini-cli-json-prompt-template

A simple and modular Gemini CLI setup using JSON prompts to automate tasks...

13
Experimental
71 Vishal150494/building-ai-agents-in-python-powered-by-Gemini

A powerful AI coding agent built with Python and Google Gemini 2.0 Flash....

12
Experimental
72 soumodip-ghosh/Study_Assistant

An AI study assistant using Google Gemini API and prompt engineering to...

12
Experimental
73 MahdiAmrollahi/ai-codegen-cli

Generate code and tests automatically using LangChain, Groq, and Gemini LLMs...

11
Experimental
74 Aayush-Joshi-01/Zenith.edu

Project for Hackathon at Kriyeta3.0

11
Experimental
75 johnsonhk88/Google-Gemini-For-Video-Conference-Assistance

It is GUI Website version for Google Gemin For video Conference Assistance...

11
Experimental
76 lucianoayres/parrot

Parrot is an AI model designed to help you generate custom `PARAMETER`...

11
Experimental
77 luyandazuma/Week2-AIPoemGenerator

MuseMind is an AI-powered poem generator that transforms your thoughts and...

11
Experimental
78 Dmukherjeetextiles/prompter

A generative AI Prompter for any task

11
Experimental
79 mridulsaklani/Few-Shots-Propting-auto-

Few shot prompting with automation

11
Experimental
80 JoaoSousa17/Projeto_App_Gestor_Tarefas

Flutter task manager app built as part of an AI-driven development...

11
Experimental
81 shyke0611/EscAIpe-Room-Game-Bank-Breakout

An interactive escape room game using OpenAI API. Find clues, solve puzzles,...

11
Experimental
82 ebythomas23/AI-Trip-Planner

AI-Trip-Planner is an agentic travel planning app using LangGraph and...

10
Experimental
83 shivammchaudhary1/natural-language-task-manager

A task management web application that uses **Google's Gemini AI** to...

10
Experimental
84 uvindux/ChatBot-For-career-Guidance

An interactive chatbot designed to provide career guidance, internship...

10
Experimental
85 owenwienczkowski/Prompt-Based-Gemini-QA-Assistant

This project demonstrates how to build a lightweight, prompt-driven...

10
Experimental
86 tjyana/RunReady

Training for a marathon? Use RunReady to generate a plan. (July 2024)

10
Experimental