--- title: "ModelPiper — Build AI Pipelines Visually. Run Them Locally." description: "ModelPiper is a free visual AI pipeline builder. Connect LLMs, vision models, and TTS engines into workflows running entirely on your machine. Supports Ollama, OpenAI, Anthropic, Groq. No cloud required." canonical: "https://modelpiper.com/" --- # ModelPiper — Build AI Pipelines Visually. Run Them Locally. > ModelPiper is a free visual AI pipeline builder. Connect LLMs, vision models, and TTS engines into workflows running entirely on your machine. Supports Ollama, OpenAI, Anthropic, Groq. No cloud required. [ModelPiper](/) [Web App](/chat)[ToolPiper](/toolpiper)[Download](/download)[Pricing](/pricing)[Blog](/blog) [Try ToolPiper](/login) # Anything AI. On your Mac. The AI platform for Mac. Chat, voice, vision, image, video, code, automation — every AI workflow running on Apple Silicon. No cloud, no API keys, no limits. [Download ToolPiper](/download) [Open Web App](/chat) Free · Apple Silicon · macOS 26+ Always Free ## The Pipeline Builder A visual canvas for building AI workflows. Drag, connect, and run — right in your browser. ![ModelPiper pipeline builder showing a 4-block workflow with Text, RAG, and AI Provider blocks alongside the My Connections panel listing local models loaded in ToolPiper.](landing/pipeline-builder.png) ### Block-Based Snap together prompt, model, response, and vision blocks to create multi-step AI pipelines. ### Any Model Works with Ollama, OpenAI, Anthropic, Groq, and any OpenAI-compatible endpoint. ### Browser-Based No installation needed. Open the web app and start building immediately. Free Beta ## ToolPiper for macOS A menu bar companion that bundles local AI inference. One click to download models, run them on-device, and read unified logs. ToolPiper Menu Bar Screenshot ### Curated Model Library Browse and install models with one click. LLMs, vision models, and TTS engines — all pre-configured. ### Bundled Inference llama.cpp, Apple Intelligence, speech-to-text, and text-to-speech — all running on your hardware. ### Unified Logs Every HTTP request, response, and error from all backends in one searchable stream. ### Zero Config Download a model, launch, and go. ToolPiper handles inference, model management, and server lifecycle. [Download for macOS](/download) Requires macOS 26 or later Coming Soon ## VisionPiper Real-time camera and screen analysis powered by local vision models. - Live camera feed analysis with local vision models - Screen capture and OCR pipelines - Custom vision workflows with the pipeline builder - Runs entirely on-device — no cloud uploads VisionPiper Screenshot ## From the Blog Technical writing on local AI, MCP servers, on-device inference, and AX-native browser testing. [ ### Accessibility-Native Testing: Why the AX Tree Is the Right Abstraction for Selectors The technical case for testing against Chrome's real accessibility tree instead of the DOM. ](/blog/accessibility-native-testing-ax-selectors)[ ### AX-Native Browser Automation: Why We Built Our Own CDP Engine A custom Chrome DevTools Protocol engine that queries the AX tree directly. Self-healing in 5 to 15 ms. ](/blog/ax-native-browser-automation-cdp-engine)[ ### Give Claude 147 macOS Superpowers with One MCP Server ToolPiper exposes 147 local tools to any MCP-compatible AI agent. One stdio binary, no cloud. ](/blog/mcp-tools-claude-macos-toolpiper)[ ### Apple Intelligence vs Open Models on Mac When the Foundation Models Framework wins and when llama.cpp wins. Routing strategy that uses both. ](/blog/apple-intelligence-open-models-mac)[ ### The AI Agent Feedback Loop Is Broken. Here's the Fix. Why terminal output is write-only memory for AI coding agents, and what a queryable log store changes. ](/blog/ai-agent-feedback-loop-log-store)[ ### Local AI Agents on Mac: Build and Run Without the Cloud A tour of the local-first agent stack: inference, tools, memory, and orchestration on Apple Silicon. ](/blog/local-ai-agents-mac)[ ### Run an MCP Server Locally on Mac Setup guide for stdio and HTTP transports, with Claude Code, Cursor, and Windsurf integration. ](/blog/mcp-server-local-mac)[ ### Run a Local OpenAI-Compatible API on Mac A drop-in replacement for the OpenAI API that runs entirely on your machine. ](/blog/local-openai-api-mac) [View all 89 posts →](/blog) ## How It Works Three steps to your first AI pipeline. 1 ### Install ToolPiper Download the macOS menu bar app. Pick a model and it downloads — ready to run on your hardware. 2 ### Open the Web App Launch the pipeline builder in your browser. Add blocks, pick a model, and wire them together. 3 ### Run Your Pipeline Hit run. Your prompts flow through connected models — streaming responses in real time. ## Your Data Stays on Your Mac ModelPiper runs entirely on your machine. Your prompts, responses, and workflows never leave your device — unless you choose a cloud provider. ## Simple Pricing Start free. Upgrade later. Web App $0 Free for limited time - Unlimited pipelines - All block types - Any model provider - Import & export workflows ToolPiper $0 Free for limited time - One-click model install - Bundled inference engine - Unified log viewer - On-device processing VisionPiper $0 Free for limited time - Real-time camera analysis - Screen capture OCR - Custom vision workflows - On-device processing ## Get Notified When v1 Launches Be the first to know when ToolPiper leaves beta and VisionPiper drops. Notify Me ![ModelPiper](modelpiper-logo-sm.png)ModelPiper Build AI pipelines visually. Run them locally. #### Products - [Web App](/chat) - ToolPiper - VisionPiper #### Resources - [Blog](/blog) - [GitHub](https://github.com/BenRacicot/modelpiper-community/discussions/1) - How It Works - Pricing #### Legal - [Privacy Policy](/privacy) - [Terms of Service](/terms) © 2026 ModelPiper. All rights reserved.