Documentation

ModelPiper is a suite of apps for running AI locally on your Mac. A browser-based UI connects to native companion apps that handle inference, audio, vision, and more.

104 MCP Tools6 Inference Backends5 Native Apps
Getting StartedAPI ReferenceMCP Server

Capabilities

Everything runs locally on your Mac — no cloud, no API keys required.

LLM Inferencellama.cpp + Apple Intelligence
Text-to-SpeechFluidAudio ANE + MLX Audio Metal
Speech-to-TextFluidAudio, ANE-accelerated
Vision & OCRApple Vision, 11 analyses, 18+ languages
NLPSentiment, entities, POS, lemmatization
RAGHNSW + BM25 hybrid, semantic chunking
Image UpscaleCoreML 4x super-resolution on Neural Engine
Video UpscalePiperSR 2x, double-buffered ANE+Metal pipeline
Browser AutomationCustom CDP engine, AX selectors, self-healing
PiperTestVisual AX-native test format + Playwright export
Web ScrapingCDP-based, framework-aware, 7 output formats
Pose Estimation4 skeleton topologies, real-time streaming
MCP Server104 tools, stdio + HTTP, zero config
Cloud ProxyKeychain API key injection, OpenAI-compatible
EmbeddingsLocal models + Apple NL (zero-setup, 512-dim)
Voice CloningQwen3 TTS with reference audio

Apps

The web UI, the local server, and companion apps. Companion apps are free.

ModelPiper

This app. Chat, Pipelines, Image, Video, workflows

ToolPiper

AI gateway — templates, inference, speech, vision, RAG, MCP, CDP

VisionPiper

Screen capture, recording, GIF, live streaming into pipelines

AudioPiper

Multi-source audio mixer and recorder into pipelines

MediaPiper

Browser extension — image preview, AI upscale, save