Open-source prompt-engineering software
631 open-source libraries, tools and applications tagged prompt-engineering, ranked by how closely prompt-engineering is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
631 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Rivet Rivet is an open-source visual AI programming environment consisting of a desktop IDE for building AI agents and prompt chains via a node-b… | 73 | 4708 | active |
| promptslab/Promptify Promptify is a Python library that turns LLMs into task-based NLP engines, providing high-level APIs for NER, classification, QA, and custo… | 62 | 4636 | active |
| kyegomez/tree-of-thoughts A Python library implementing the Tree of Thoughts algorithm for deliberate, multi-step problem solving with large language models. It prov… | 64 | 4595 | active |
| MemeCalculate/moyin-creator Moyin Creator is a production-grade AI film creation desktop application that covers the full pipeline from script to finished video, with … | 73 | 4580 | active |
| 0xNyk/council-of-high-intelligence A shell-based skill/plugin that runs structured multi-persona deliberation for hard decisions across AI coding agents like Claude Code, Cod… | 72 | 4539 | active |
| microsoft/LMOps A Microsoft research initiative collecting code and papers on fundamental techniques for building AI products with large language models, c… | 75 | 4475 | active |
| eternityspring/shuohao-skills A collection of agent skills for AI short-drama production that turn a novel into production-ready assets: adaptation outlines, character b… | 57 | 4462 | active |
| Kiro Kiro is an agentic IDE and CLI that helps developers go from prototype to production using spec-driven development, agent hooks, powers, an… | 64 | 4372 | active |
| Doriandarko/maestro Maestro is a Python framework that uses an orchestrator LLM (originally Claude Opus) to break down objectives into sub-tasks, delegate them… | 26 | 4357 | active |
| UditAkhourii/adhd ADHD is a TypeScript skill for coding agents built on the Claude and Codex Agent SDKs that implements parallel divergent ideation via tree-… | 61 | 4326 | active |
| google-gemini/gemini-skills A collection of agent skills (context packages) for the Gemini API, SDKs, and model interactions, installable into AI coding assistants via… | 60 | 4279 | active |
| eth-sri/lmql LMQL is a query/programming language for large language models, implemented as a Python-based superset that lets developers interleave prom… | 29 | 4221 | active |
| davidondrej/skills A collection of reusable Agent Skills for AI coding, research, and workflow agents, each packaged as a SKILL.md instruction file. It provid… | 58 | 4140 | active |
| KKKKhazix/human-writing An agent skill (SKILL.md package) that makes AI-written Chinese prose read like a specific human voice, with rules for fact-checking, parag… | 61 | 4124 | active |
| microsoft/apm APM (Agent Package Manager) is an open-source dependency manager for AI coding agents, letting teams declare skills, prompts, instructions,… | 81 | 4096 | active |
| muxuuu/serenity-skill An Agent Skill (SKILL.md-based prompt/methodology package) that encodes a Serenity-style investment research workflow for supply-chain bott… | 57 | 4013 | active |
| microsoft/PromptWizard PromptWizard is a discrete prompt optimization framework from Microsoft that uses a self-evolving mechanism where an LLM generates, critiqu… | 42 | 4010 | active |
| Leonxlnx/unlazy unlazy is a skill for AI coding agents (Claude Code, Codex CLI) that enforces completion discipline via the Depth Tree method, splitting ta… | 55 | 4006 | active |
| jackMort/ChatGPT.nvim A Neovim plugin written in Lua that integrates OpenAI's ChatGPT API directly into the editor. It provides interactive Q&A, persona-based co… | 47 | 3992 | active |
| parcadei/Continuous-Claude-v3 A framework that turns Claude Code into a persistent, multi-agent development environment with context management across sessions. It uses … | 42 | 3944 | active |
| sanyuan0704/sanyuan-skills A collection of production-grade agent skills for Claude Code and other AI agent terminals, installable via npx. It includes a code review … | 49 | 3927 | active |
| WorldFlowAI/everything-claude-code A toolkit of production-ready Claude Code configurations including agents, skills, hooks, commands, rules, and MCP setups, refined over mon… | 41 | 3902 | active |
| HughYau/qiushi-skill Qiushi-Skill is a collection of AI Agent Skills that distills a general principle and nine methodological tools from classical materialist … | 59 | 3820 | active |
| Open-Less/openless OpenLess is an open-source cross-platform voice input application that lets users hold a hotkey, speak, and have AI-polished text inserted … | 79 | 3811 | active |
| AminBlg/SimpleEnglish An agent skill (SKILL.md) that makes LLMs write documentation in ASD-STE100 Simplified Technical English, the controlled language used in a… | 79 | 3794 | active |
| Hunyuan-PromptEnhancer/PromptEnhancer PromptEnhancer is a prompt-rewriting framework from Tencent Hunyuan that uses a Chain-of-Thought rewriter trained via reinforcement learnin… | 59 | 3785 | active |
| zou-group/textgrad TextGrad is a Python framework that implements automatic 'differentiation' via text, using LLM-generated natural language feedback as gradi… | 26 | 3750 | active |
| foryourhealth111-pixel/Vibe-Skills VibeSkills is a general-purpose Skill that automatically routes locally installed Skills and orchestrates multi-step harness workflows for … | 83 | 3729 | active |
| gotalab/cc-sdd cc-sdd is an npm-distributed harness that installs a spec-driven development (SDD) workflow as 17 Agent Skills for AI coding agents like Cl… | 85 | 3715 | active |
| jakubkrehel/make-interfaces-feel-better An installable agent skill packaged as a Markdown instruction file that teaches AI coding agents the small interface details that make UIs … | 57 | 3699 | active |
| NVIDIA/skills A catalog of NVIDIA-verified Agent Skills — portable instruction sets that teach AI coding agents like Claude Code and Codex how to use NVI… | 60 | 3668 | active |
| Yue-Yang/ChatGPT-Siri A set of Apple Shortcuts that connect Siri to the ChatGPT API, turning Siri into an AI chat assistant on iPhone, iPad, Mac, HomePod, and Ca… | 69 | 3650 | active |
| ericosiu/ai-marketing-skills An open-source collection of Claude Code skills (workflows, scripts, scoring algorithms, and automation pipelines) for marketing and sales … | 58 | 3631 | active |
| jangviktor-web/nihaixia An AI agent skill that distills the traditional Chinese medicine teachings of master Ni Haixia (Shanghan Lun, Jingui Yaolue, Huangdi Neijin… | 79 | 3617 | active |
| SkyworkAI/DeepResearchAgent DeepResearchAgent is a Python framework for hierarchical multi-agent systems that combines a top-level planning agent with specialized lowe… | 63 | 3552 | active |
| flydelabs/flyde Flyde is an open-source visual, flow-based programming toolkit that runs in VS Code and integrates with existing TypeScript/JavaScript code… | 45 | 3505 | active |
| rlaope/oh-my-hermes oh-my-hermes (OMH) is an installable enhancement layer for the Hermes Agent that adds planning, research, coding handoffs, agentic memory, … | 82 | 3485 | active |
| lynote-ai/humanize-text An open-source Python toolkit for making AI-generated drafts read more naturally, offering four documented humanization approaches plus a p… | 67 | 3453 | active |
| notdog1998/yourself-skill A Claude Code skill that builds a digital persona of yourself from chat logs, diaries, photos, and self-descriptions, structured as a Self … | 45 | 3398 | active |
| microsoft/lida LIDA is a Python library from Microsoft that uses large language models to automatically generate, execute, edit, explain, evaluate, and re… | 31 | 3279 | active |
| pezzolabs/pezzo Pezzo is an open-source, cloud-native LLMOps platform for managing the lifecycle of AI-powered features, including prompt design, versionin… | 62 | 3275 | active |
| Norman-bury/research-writing-skill A research/academic writing assistant skill for AI coding agents (Claude Code, Cursor, Codex, Gemini CLI) that turns paper writing into a t… | 51 | 3261 | active |
| jjyaoao/HelloAgents HelloAgents is a Python multi-agent framework built on OpenAI-compatible APIs, offering tool response protocols, context engineering, sessi… | 84 | 3250 | active |
| sd-webui-prompt-all-in-one A Stable Diffusion WebUI extension that enhances the prompt and negative prompt input boxes with a more intuitive interface. It adds automa… | 73 | 3237 | active |
| guaguaguaxia/weekly_report A web application that generates complete weekly work reports from brief descriptions of work content, powered by the OpenAI GPT-3.5 API. I… | 74 | 3231 | active |
| thananon/9arm-skills A curated collection of agent skills for Claude Code, organized into engineering, productivity, and misc buckets, each defined by a SKILL.m… | 50 | 3201 | active |
| xiamuceer-j/MuMuAINovel MuMuAINovel is a self-hosted AI-powered novel writing assistant built with FastAPI and React. It helps authors generate outlines, character… | 85 | 3188 | active |
| PenglongHuang/chinese-novelist-skill A Claude Code skill that drives AI to write complete Chinese novels end-to-end. It uses layered interactive Q&A, cross-session preference m… | 58 | 3179 | active |
| KhazP/vibe-coding-prompt-template A collection of structured prompt templates and an npx-installable CLI (vibeworkflow) that guides developers through turning an app idea in… | 80 | 3160 | active |
| vanzan01/cursor-memory-bank A documentation-driven framework for the Cursor editor that provides persistent memory and a structured development workflow through six co… | 57 | 3060 | active |
| hegelai/prompttools PromptTools is an open-source Python library for testing, experimenting with, and evaluating prompts, LLMs (OpenAI, Anthropic, LLaMA, etc.)… | 46 | 3056 | active |
| vectorize-io/self-driving-agents A collection of 179 ready-to-use, self-learning AI agent definitions organized into 13 departments (design, engineering, marketing, sales, … | 74 | 3047 | active |
| ianarawjo/ChainForge ChainForge is an open-source visual programming environment for battle-testing prompts to LLMs, built on ReactFlow and Flask. It lets users… | 93 | 3035 | active |
| Eladlev/AutoPrompt AutoPrompt is a Python framework for optimizing LLM prompts using Intent-based Prompt Calibration. It iteratively generates challenging edg… | 39 | 3017 | active |
| J-Space Cognition Suite A model-agnostic inference-time control suite packaged as an installable AI agent Skill (SKILL.md with modules, references, and Python veri… | 77 | 3002 | active |
| CLIP Interrogator A Python library that combines OpenAI's CLIP and Salesforce's BLIP to reverse-engineer text prompts from images, optimized for use with tex… | 23 | 2986 | stable |
| Aaron Marketing Skills A collection of 120 AI agent skills covering seven marketing disciplines (narrative, SEO/GEO, social, email, paid ads, influencer, launch),… | 81 | 2908 | active |
| hotcoffeeshake/tong-jincheng-skill A Claude Code skill that makes the AI respond as 'Tong Jincheng' (童锦程), a Chinese internet personality known for blunt relationship advice,… | 51 | 2898 | active |
| microsoft/ResearchStudio ResearchStudio is a Microsoft collection of AI agent skills that cover the entire research lifecycle, from an under-specified research dire… | 57 | 2885 | active |
| rebelytics/one-skill-to-rule-them-all Task Observer is an open-source meta-skill (CC BY 4.0) that watches AI-assisted work sessions, captures corrections, preferences, and gaps,… | 80 | 2869 | active |
| anysphere/priompt Priompt is a JSX-based prompt design library for building LLM prompts with React-like components. It uses priority levels to decide which p… | 47 | 2856 | active |
| songguoxs/seedance-prompt-skill A Claude Code custom skill that turns Claude into an AI video prompt engineer for ByteDance's Seedance 2.0 video generation platform. It co… | 42 | 2849 | active |
| spcl/graph-of-thoughts Official Python implementation of the Graph of Thoughts (GoT) framework from ETH Zurich, which models complex problem-solving as a Graph of… | 48 | 2840 | active |
| expo/skills A collection of official AI agent skills from the Expo team that give coding agents focused knowledge for building, deploying, upgrading, a… | 61 | 2836 | active |
| dominikmartn/nothing-design-skill A Claude Code skill that packages the Nothing design language (monochrome, typographic, industrial) into reusable design rules and token re… | 45 | 2814 | active |
| chaseai-yt/claudex-loop A Claude Code skill and plugin that hardens software plans through a four-phase loop: recon, interrogation, adversarial review by OpenAI Co… | 56 | 2811 | active |
| DominikDoom/a1111-sd-webui-tagcomplete A browser-side extension for AUTOMATIC1111's Stable Diffusion web UI that provides Booru-style tag autocompletion while typing prompts. It … | 62 | 2807 | active |
| ryfineZ/codex-session-patcher A Python tool that cleans AI refusal responses from Codex CLI, Claude Code, and OpenCode session files so conversations can be resumed, wit… | 73 | 2797 | active |
| simonw/files-to-prompt A Python CLI tool that concatenates a directory of files into a single prompt suitable for pasting into LLMs, with filtering by extension, … | 27 | 2790 | active |
| Promptflow Prompt flow is a suite of Python SDK, CLI, and VS Code extension tools for the end-to-end development of LLM-based AI applications, linking… | 72 | 11244 | maintenance |
| Owl-Listener/designer-skills A collection of 241 agentic skills, 91 commands, and 33 plugins for design work, covering research, design systems, UI, interaction, and de… | 57 | 2734 | active |
| zubair-trabzada/ai-marketing-claude A suite of 15 marketing skills for Claude Code that runs parallel subagents to audit websites, generate copy, email sequences, ad creatives… | 43 | 2714 | active |
| TavernAI TavernAI is an atmospheric frontend application for roleplay chat and story writing with AI language models, connecting to backends like Ko… | 58 | 2698 | active |
| mikubaka88/CCFA-Skills A family of 17 agent skills for shaping the research storyline of CCF-A academic papers, covering ideation, literature retrieval, experimen… | 78 | 2697 | active |
| yaojingang/yao-meta-skill Yao Meta Skill (YAO = Yielding AI Outcomes) is a Python-based system for engineering, evaluating, packaging, and governing reusable AI agen… | 56 | 2688 | active |
| nicepkg/aide Aide is a VSCode extension that brings AI-assisted coding features such as one-click code commenting, language/framework conversion, UI scr… | 20 | 2686 | active |
| liangdabiao/Seedance2-Storyboard-Generator A Claude Code skill and workflow toolkit that converts novels or stories into multi-episode video series by generating four-act screenplays… | 58 | 2629 | active |
| HughYau/AcademicForge AcademicForge is a curated catalog and installer platform of AI agent skills for academic writing and research, targeting Claude Code, Open… | 57 | 2597 | active |
| Piebald Claude Code tweakcc is a command-line tool for customizing Claude Code's appearance (theme colors, thinking verbs) and inspecting or modifying its syst… | 82 | 2554 | active |
| alexgreensh/token-optimizer A Claude Code plugin/skill that finds and removes wasted 'ghost tokens' in agent context windows, helping sessions survive compaction witho… | 78 | 2544 | active |
| softaworks/agent-toolkit A curated collection of packaged skills, agents, and slash commands for AI coding agents like Claude Code, following the Agent Skills forma… | 44 | 2507 | active |
| DrCatHicks/learning-opportunities A Claude Code and Codex plugin/skill that offers evidence-based learning exercises (retrieval practice, prediction, spaced repetition) duri… | 56 | 2491 | active |
| perkfly/ex-skill A Claude Code / OpenClaw skill generator that distills chat logs, photos, and social media exports into a persona 'Skill' that mimics a spe… | 45 | 2487 | active |
| zenstory-ai/drama-skills A collection of ten agent skills for AI short-drama and comic-drama production, covering scripts, visual assets, storyboards, image/video p… | 79 | 2473 | active |
| Paramchoudhary/ResumeSkills A collection of markdown-based AI agent skills for Claude Code covering resume optimization, ATS compatibility, job application strategy, i… | 52 | 2440 | active |
| jackmpcollins/magentic A Python library for seamlessly integrating LLMs into Python code via @prompt and @chatprompt decorators that return typed, structured outp… | 69 | 2428 | active |
| oil-oil/oil-motion Oil Motion is an agent-agnostic Skill that designs, generates, and integrates interactive web animations from AI-generated video. It handle… | 56 | 2424 | active |
| glidea/banana-prompt-quicker A Chrome extension that lets users quickly insert curated and custom prompts into Google AI Studio, Gemini, and any website input box via r… | 58 | 2414 | active |
| romainsimon/paperasse Paperasse is a collection of Markdown-based AI agent skills specialized in French bureaucracy: accounting (PCG, TVA, liasse fiscale), invoi… | 56 | 2410 | active |
| yawiii/ComfyUI-Prompt-Assistant A ComfyUI plugin that provides an all-in-one prompt assistant, connecting to cloud LLM/VLM APIs (Zhipu, SiliconFlow, Gemini, Baidu) and loc… | 65 | 2394 | active |
| aiwithremy/claude-skills-llm-council A Claude Code skill that runs a user's question through five independent AI advisors who peer-review each other's answers, then synthesizes… | 47 | 2384 | active |
| VCP VCPToolBox is a Node.js middleware layer deployed between LLM APIs and frontend applications, providing a unified Variable & Command Protoc… | 80 | 2383 | active |
| agentuniverse-ai/agentUniverse agentUniverse is a Python-based multi-agent framework built on large language models, providing extensible components for building individu… | 69 | 2374 | active |
| AgriciDaniel/claude-blog claude-blog is a Claude Code skill suite that writes, optimizes, audits, localizes, and refreshes blog content through a multi-agent pipeli… | 79 | 2330 | active |
| PhialsBasement/Chain-of-Recursive-Thoughts CoRT (Chain of Recursive Thoughts) is a tool that makes LLMs recursively refine their answers by generating multiple alternative responses,… | 25 | 2325 | active |
| wondelai/skills A collection of 62 MIT-licensed AI agent skills (50 frameworks distilled from bestselling business and engineering books plus 12 guided met… | 78 | 2317 | active |
| Agentic Stack A Python-based framework providing a portable .agent/ folder of memory, skills, and protocols that plugs into many coding-agent harnesses (… | 78 | 2294 | active |
| Dynamic Prompts An extension for AUTOMATIC1111's stable-diffusion-webui that adds a template language for random and combinatorial prompt generation using … | 32 | 2292 | active |
| Weizhena/Deep-Research-skills A structured deep research skill (prompt/workflow package) for Claude Code, OpenCode, and Codex that runs a two-phase research process: out… | 57 | 2287 | active |
| InternLM/lagent Lagent is a lightweight Python framework for building LLM-based agents, designed with a PyTorch-like philosophy where agents are composed l… | 84 | 2283 | active |