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 83 gemini prompt workbenches tools tracked. The highest-rated is langgptai/awesome-gemini-prompts at 46/100 with 424 stars.

Get all 83 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

46
Emerging
2 Apoo711/Context-Engineering

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

40
Emerging
3 lemos999/Singulari-Tea-Codex-Prompt-for-Gemini

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

40
Emerging
4 Jsebayhi/prompt-engineering-extension

give prompt engineering skills to your gemini cli !

37
Emerging
5 poloclub/wordflow

Social and customizable AI writing assistant! ✍️

37
Emerging
6 ZeroLu/awesome-gemini-ai

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

33
Emerging
7 MadBomber/aia

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

33
Emerging
8 mizazhaider-ceh/Ai-Terminal-X

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

30
Emerging
9 supernova-app/ai-playground

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

29
Experimental
10 ryantusi/GMS_Vessel_Tracker

Full-stack AI powered maritime tracking application that provides real-time...

29
Experimental
11 clduab11/thinkrank

Revolutionizing collaborative thinking and problem-solving through...

28
Experimental
12 yashdew3/AI-Game-Generator

🎮AI-powered educational game generator built with FastAPI and Google Gemini...

28
Experimental
13 hakonno/gemini-docs-template

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

27
Experimental
14 aj-seven/ai-hub

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

24
Experimental
15 Unna07/travel-planner-agent

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

23
Experimental
16 iqbaldiit/Athena-Public

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

23
Experimental
17 ashankgupta/threadwise-ai

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

23
Experimental
18 kphutt/interview-prep

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

23
Experimental
19 Neon-Theon/cypherdeck

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

22
Experimental
20 Neon-Theon/cyberdrive

A high-speed cyberpunk arcade racing game built in Google AI Studio with...

22
Experimental
21 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...

22
Experimental
22 slee124565/gemini-news-verify-skill

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

22
Experimental
23 castroxdev/dev-gx

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

22
Experimental
24 SandyCompetent/exeter_academic_agent

Agentic AI assistant powered by Google Gemini 2.5, with streaming LLM...

22
Experimental
25 FelmonFekadu/constitutional-playground

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

22
Experimental
26 leelesemann-sys/memoki-prompt-engine

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

20
Experimental
27 bastheboss7/GenAI-Jira-Integration

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

20
Experimental
28 eswar-7116/altertone

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

20
Experimental
29 RaptileBytez/giulia-ai

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

19
Experimental
30 ashankgupta/threadwise-ai-backend

FastAPI-based backend for threadwiseai, supporting real-time AI-powered...

19
Experimental
31 tuncaypeker/webilim.ai

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

19
Experimental
32 KhalidExe/SmartFit

🏋️‍♂️ A Hybrid AI Fitness Ecosystem using Flask and Google Gemini Pro for...

19
Experimental
33 dhavalCode/textshine.ai

AI Powered Writing Tool

18
Experimental
34 Free-AI-Things/Geo-Explorer

🗺️ Geo Explorer is an open-source, AI-powered geolocation engine that...

18
Experimental
35 Git-Fg/WebAI_Hub

An Android hybrid Flutter AI assistant that bridges a native UI with...

17
Experimental
36 Y4NN777/Y7-Jprompter

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

16
Experimental
37 PetriLahdelma/notcringe

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

15
Experimental
38 ShunsukeHayashi/hayashi-agent-prompt-generator

AI agent prompt generator — Automated prompt engineering tool

15
Experimental
39 Feezah/gemini3-starter-prompts

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

15
Experimental
40 kgraph57/hoshizu

散らばる星を、星座にする — 医療従事者のためのAIナレッジポータル

14
Experimental
41 eboekenh/Careerpromptaiv2

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

14
Experimental
42 Swapnil0803/PrepAI

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

14
Experimental
43 VSSK007/ZodicogAI

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

14
Experimental
44 gtwyeee/swiftplan-ai-agent

✈️ Plan stress-free trips with SwiftPlan, an AI-driven concierge that...

14
Experimental
45 djamel10000/Chota-Architecture

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

14
Experimental
46 NobleStripes/AI-Tone-Auditor

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

14
Experimental
47 Monsterw31/prom-playground

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

14
Experimental
48 myselfshravan/fastiq-genai

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

14
Experimental
49 chandrakumarprajapati/system-prompts-playground

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

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

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

14
Experimental
51 FURUYAN1234/story-maker

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

14
Experimental
52 jekeng/ai-codegen-cli

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

14
Experimental
53 Sparkience-AI/SparkPrompt

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

13
Experimental
54 aTh1ef/elevenlabs-talking-ai-avatar

3D avatar with voice and AI responses

13
Experimental
55 CJHwong/gems.sh

A Gemini Gem Manager in your MacBook powered by Gemma

13
Experimental
56 aiengineeringforgrandmas/gemini-prompt-engineer-toolkit

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

13
Experimental
57 ENGRZULQARNAIN/excelidea

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

13
Experimental
58 WiseDodge/Thread-Generator

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

12
Experimental
59 wyattowalsh/AI-Tools

AI tools

12
Experimental
60 W3JDev/FlairAi

Ai FnB Service & Menu Training Assistant Powered by Gemini & Google Cloud

12
Experimental
61 Bharathkdev/react-planora-ai

AI-driven 2D-to-3D architectural rendering platform using React + TypeScript...

12
Experimental
62 andresdotguapacha/gemini-cli-json-prompt-template

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

11
Experimental
63 PatriciaLJohnson/AWS-PartyRock-Planner-No-Code-AI-App

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

11
Experimental
64 aaditya0004/leetcode-rewriter

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

11
Experimental
65 vivek-viswam-rv/ai-chess-assistant

AI-powered real-time chess analytics tool.

11
Experimental
66 akashs101199/personal_portfolio

A futuristic personal portfolio featuring a voice-activated AI assistant...

11
Experimental
67 isagargantua/autocase-ai

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

11
Experimental
68 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

11
Experimental
69 transac-ai/prompt-builder-service

TransacAI Insights Generation Service

11
Experimental
70 edsponsler/projalyzer

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

11
Experimental
71 AI-Model-Activities/PromptMaster

Gemini APIでプロンプトを一発強化

11
Experimental
72 EggyEgged/EggAI

EggAI is repository with everything I have made and will make regarding...

11
Experimental
73 TheOmniXero/theomnixero.github.io

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

11
Experimental
74 soumyajiitdas/My-GenAICapstoneProject

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

11
Experimental
75 BOBeirne/ai-persona-prompts

A collection of gemini personas

11
Experimental
76 KingTurbo/auto-prompt-engineering

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

11
Experimental
77 msns-1927/Career-Advisor-AI-ChatBot

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

11
Experimental
78 stuartfsi05/Zenith-Prompt-Architect-Engine

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

11
Experimental
79 ghaibhawishya-tech/prowriteai

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

11
Experimental
80 giangps/STARLprep.AI

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

11
Experimental
81 metacore-stack/WanderLens-AI

An intelligent travel planning platform powered by GPT-4 and DALL-E 3 that...

11
Experimental
82 brettdidonato/trendr-bot

Ask natural language questions about what is trending on Google Search

10
Experimental
83 yohanesind/Prompt-Engineering-Portfolio-Financial-Analysis-Insurance-

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

10
Experimental