LLM Plugin Tools

1704+ open-source llm plugin tools ranked by stars

What are LLM Plugin tools?

LLM Plugin tools are open-source packages that extend AI coding agents like Claude Code, OpenAI Codex, Gemini CLI, and other AI assistants. They provide specialized capabilities ranging from code generation and debugging to API integration and workflow automation.

Agent Skills Hub indexes 1704+ llm plugin tools from GitHub, ranked by community adoption (stars), code quality scores, and compatibility with popular AI agents. The top languages in this category are TypeScript, Python, Rust, Swift, Jupyter Notebook.

Also browse: MCP Server Claude Skill AI Tool Agent Tool Codex Skill AI Skill YouMind Plugin Education

#	Skill	Stars	Lang
1	stagehand The SDK For Browser Agents	★ 23.3k	TypeScript
2	promptfoo Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare p	★ 22.8k	TypeScript
3	gorilla Gorilla: Training and Evaluating LLMs for Function Calls (Tool Calls)	★ 12.8k	Python
4	PocketFlow-Tutorial-Codebase-Knowledge Pocket Flow: Codebase to Tutorial	★ 12.4k	Python
5	llm Access large language models from the command-line	★ 12.1k	Python
6	llm-engineer-toolkit A curated list of 120+ LLM libraries category wise.	★ 10.5k
7	phoenix AI Observability & Evaluation	★ 10.3k	Python
8	code2prompt A CLI tool to convert your codebase into a single LLM prompt with source tree, prompt templating, an	★ 7.4k	Rust
9	superagent Superagent protects your AI applications against prompt injections, data leaks, and harmful outputs.	★ 6.5k	TypeScript
10	ai-cookbook Examples and tutorials to help developers build AI systems	★ 4.1k	Python
11	DecryptPrompt 总结Prompt&LLM论文，开源数据&模型，AIGC应用	★ 3.4k
12	ax The pretty much "official" DSPy framework for Typescript	★ 2.8k	TypeScript
13	yek A fast Rust based tool to serialize text-based files in a repository or directory for LLM consumptio	★ 2.5k	Rust
14	code-interpreter Python & JS/TS SDK for running AI-generated code/code interpreting in your AI app	★ 2.3k	Python
15	awesome-local-llm A curated list of awesome platforms, tools, practices and resources that helps run LLMs locally	★ 2.3k
16	WritingTools The world's smartest system-wide grammar assistant; a better version of the Apple Intelligence Writi	★ 2.3k	Swift
17	any-llm Communicate with an LLM provider using a single interface	★ 2.1k	Python
18	ExtractThinker ExtractThinker is a Document Intelligence library for LLMs, offering ORM-style interaction for flexi	★ 1.6k	Python
19	awesome-llm-agents A curated list of awesome LLM agents frameworks.	★ 1.5k	Python
20	mirascope The LLM Anti-Framework	★ 1.5k	Python
21	tau2-bench τ-Bench: A Benchmark for Tool-Agent-User Interaction in Real-World Domains	★ 1.5k	Python
22	desktop E2B Desktop Sandbox for LLMs. E2B Sandbox with desktop graphical environment that you can connect to	★ 1.4k	Python
23	langtrace Langtrace 🔍 is an open-source, Open Telemetry based end-to-end observability tool for LLM applicat	★ 1.2k	TypeScript
24	LLM-ToolMaker	★ 1.1k	Jupyter Notebook
25	NyaProxy NyaProxy acts like a smart, central manager for accessing various online services (APIs) – think AI	★ 959	Python
26	ontogpt LLM-based ontological extraction tools, including SPIRES	★ 907	Jupyter Notebook
27	kani kani (カニ) is a highly hackable microframework for tool-calling language models. (NLP-OSS @ EMNLP 202	★ 604	Python
28	echo The User Pays AI SDK	★ 539	TypeScript
29	LLM-Tool-Survey This is the repository for the Tool Learning survey.	★ 481
30	vllm-cli A command-line interface tool for serving LLM using vLLM.	★ 480	Python
31	ToolNeuron On-device AI for Android — LLM chat (GGUF/llama.cpp), vision models (VLM), image generation (Stable	★ 397	Kotlin
32	chatgpt-subtitle-translator Efficient translation tool based on ChatGPT or any OpenAI compatible LLM chat completion API	★ 381	JavaScript
33	toolkit.dev Get paid to build LLM tools	★ 356	TypeScript
34	claude-code-trace Claude Code session log viewer for JSONL files in ~/.claude/projects. Browse conversations, tool cal	★ 328	Rust
35	OpenRCA [ICLR'25] OpenRCA: Can Large Language Models Locate the Root Cause of Software Failures?	★ 318	Python
36	llms-tools A list of LLMs Tools & Projects	★ 316
37	leanctx Drop-in prompt compression for production LLM apps. Cut your token bill 40-60% without changing your	★ 312	Python
38	openai-function-calling-tools 🛠 openai function calling tools for JS/TS	★ 307	TypeScript
39	bocoel Bayesian Optimization as a Coverage Tool for Evaluating LLMs. Accurate evaluation (benchmarking) tha	★ 289	Python
40	SecGPT A Test Project for a Network Security-oriented LLM Tool Emulating AutoGPT	★ 287	Python
41	input0 Input0 — A macOS voice input tool: hold a hotkey to record, release to transcribe locally via STT, r	★ 260	Rust
42	gpt_server gpt_server是一个用于生产级部署LLMs、Embedding、Reranker、ASR、TTS、文生图、图片编辑和文生视频的开源框架。	★ 253	Python
43	codinit-dev Local-First Open Source web & mobile AI app builder — install on MacOS, Windows & Linux	★ 235	TypeScript
44	cai User friendly CLI tool for AI tasks. Stop thinking about LLMs and prompts, start getting results!	★ 202	Rust
45	llm-rl-environments-lil-course 🌱 A little course on Reinforcement Learning Environments for evaluating and training Language Model	★ 201	Python
46	Eridanus 基于 OneBot 协议的多功能bot兼开发框架。以llm function calling为核心构建了更智能的功能调用机制。支持不接入QQ纯Live2d桌宠模式	★ 190	Python
47	aitools_client Seth's AI Tools: A Unity based front end that uses ComfyUI and LLMs to create stories, images, movie	★ 185	C#
48	marginalia A library-science-inspired personal knowledge management system with LLM agents	★ 185	Python
49	LLM-Tools Open-source calculator for LLM system requirements.	★ 175	Python
50	toolbench ToolBench, an evaluation suite for LLM tool manipulation capabilities.	★ 172	Python
51	chatlab ⚡️🧪 Fast LLM Tool Calling Experimentation, big and smol	★ 159	Jupyter Notebook
52	llm_intents Exposes internet search tools for use by LLM-backed Assist in Home Assistant	★ 157	Python
53	Awesome-Multi-Token-Prediction A curated list of papers, tools, and resources on Multi-Token Prediction (MTP) and related technique	★ 143
54	OSA Tool that just makes your open source project better using LLM agents	★ 141	Python
55	MLLM-Tool MLLM-Tool: A Multimodal Large Language Model For Tool Agent Learning	★ 138	Python
56	tokuin CLI tool – estimates LLM tokens/costs and runs provider-aware load tests for OpenAI, Anthropic, Open	★ 138	Rust
57	lm-proxy OpenAI-compatible HTTP LLM proxy / gateway for multi-provider inference (Google, Anthropic, OpenAI,	★ 135	Python
58	multi-model-chat Multi-Model Chat — Compare responses from multiple AI models side by side in real-time. Supports GPT	★ 131	TypeScript
59	open-creator An open-source LLM tool for extracting repeatable tasks from your conversations, and saving them int	★ 129	Python
60	banks LLM prompt language based on Jinja. Banks provides tools and functions to build prompts text and cha	★ 127	Python
61	bpmn-assistant LLM-powered assistant for creating, editing, and interpreting business process diagrams	★ 124	Python
62	cursive ✦ The intuitive LLM framework	★ 114	TypeScript
63	OpenWebui-Tools Custom tools to enhance your Open-Webui Experience! 🚀	★ 114	Python
64	aulite EU AI Act compliance proxy for AI systems. Drop-in HTTP proxy that monitors every AI interaction for	★ 112	TypeScript
65	TokenTamer A drop-in proxy that compresses bloated code context in real-time, cutting LLM API costs by 50–80% w	★ 112	Python
66	dexter LLM tools used in production at Dexa	★ 107	TypeScript
67	LLM_trader LLM-powered Crypto Trading Framework with Vision AI chart analysis, real-time Neural Engine, and a l	★ 98	Python
68	pith Pith is the hook that makes Claude Code sessions last 3x longer.	★ 96	Python
69	llm-manpage-tool Inject relevant documentation into your prompts: 98% savings.	★ 96	Python
70	Eval High-performance LLM evaluation framework with parallel API calls — up to 17× faster than sequential	★ 94	Python
71	llm-tools-nmap	★ 93	Python
72	comfyui-llm-toolkit	★ 86	Python
73	llm-tool-collection Curated collection of tools for agentic LLMs in Emacs	★ 83	Emacs Lisp
74	outputguard Validate, repair, and retry LLM structured outputs. 13 repair strategies for common JSON malformatio	★ 80	Python
75	llm-tools-kiwix Turn any Kiwix ZIM archive (offline Wikipedia, Stack Exchange, DevDocs, etc.) into an instant knowle	★ 77	Python
76	awesome-pydantic-ai An opinionated list of awesome Pydantic-AI frameworks, libraries, software and resources.	★ 73
77	AgentGuard AgentGuard：An Attribute-Based Access Control Framework for Tool-Use LLM-Based Agent	★ 71	Python
78	tessera From teacher to tiles — a from-scratch LLM distillation & serving engine: custom Triton/CUDA kernels	★ 69	Python
79	llm_context_benchmarks 📊 LLM Context Benchmarks - A comprehensive benchmarking tool for testing LLMs with varying context	★ 68	Python
80	pls CLI tool that turns natural language into shell commands via LLM	★ 66	Zig
81	reverse-engineering-is-over LLMs have ended reverse engineering as a high-barrier skill. Case study: reconstructing 6/7 custom H	★ 66	Python
82	LLM-Research A collection of LLM related papers, thesis, tools, datasets, courses, benchmarks	★ 64	Python
83	garycli The Spear Carrier. AI-native CLI agent for STM32 embedded development and automated debugging. (Gary	★ 56	Python
84	ue-llm-toolkit A set of tools allowing LLMs to see inside Unreal Engine 5 projects.	★ 50	C++
85	control-layer A production-grade control layer that sits between your application logic and any LLM — input valida	★ 50	Python
86	lx CLI tool for bundling project files as LLM context.	★ 49	Go
87	WakenLLM-toolkit toolkit for WakenLLM framework	★ 47	Python
88	AddOn Home Assistant Community Cloud with secure, private, and free remote access, webrtc streaming, ChatG	★ 45	Python
89	better-sidebar-for-google-gemini-and-ai-studio Enhance your Google AI Studio experience with a better sidebar, folders, tags, prompt manager, and f	★ 45	TypeScript
90	Supervertaler-Workbench Open-source, AI-enhanced CAT tool with multi-LLM support, translation memory, glossary management, '	★ 43	Python
91	excessibility Accessibility snapshot testing for Phoenix LiveView - capture HTML during tests, run Pa11y for WCAG	★ 40	Elixir
92	optipfair Structured pruning and bias visualization for Large Language Models. Tools for LLM optimization and	★ 40	Python
93	awesome-elixir-llm-genai A list of LLM and GenAI Elixir Resources/Tools	★ 40
94	LLM-PromptEngineering-Agents ChatGPT, related application + prompt engineering list	★ 36
95	simple-llm-cli LLM infradebugging and diagnostic tool	★ 36	Python
96	glimpser a simple tool for real-time monitoring video and summarization with LLMs	★ 34	Python
97	TensorFold Run MoE LLMs on Apple Silicone via MLX that your Mac should not normally be able to run	★ 34	Python
98	ica-lens-paper ICA Lens: compact ICA-based interpretability tools for exploring LLM activations. Code release for t	★ 33	Python
99	pyrlm-runtime Minimal runtime for Recursive Language Models (RLMs) inspired by the MIT CSAIL paper "Recursive Lang	★ 32	Python
100	video-helper 📺 AI视频学习助手: 自动生成 B站/YouTube/抖音/本地视频思维导图、笔记与总结。支持播客分析与视频索引，开源平替。AI Video Learning Assistant: Auto-ge	★ 32	Python

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