goodmai

Basalt — AI skill for Claude Code

AI community

Turn your Mac into a local LLM server: MLX on Metal, OpenAI + Anthropic API + MCP, pure Swift.

How to install Basalt

This entry records only its repository, not the path inside it, so there is no exact command to give. Open goodmai/basalt and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Basalt does

Turn your Mac into a local LLM server: MLX on Metal, OpenAI + Anthropic API + MCP, pure Swift. Point Claude Code at it.

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README

basalt — turn your Mac into a local LLM server. Point Claude Code at it.

Gemma 4, Qwen 3 and any MLX model on your Apple Silicon GPU, behind the **OpenAI API, the Anthropic API and MCP**. One Swift binary. No Python at runtime. No cloud. No API bill.

[English](README.md) · [Русский](README.ru.md)

[![Release](https://github.com/goodmai/basalt/actions/workflows/release.yml/badge.svg)](https://github.com/goodmai/basalt/actions/workflows/release.yml) [![Security Audit](https://github.com/goodmai/basalt/actions/workflows/security-audit.yml/badge.svg)](https://github.com/goodmai/basalt/actions/workflows/security-audit.yml) [![License: MIT](https://img.shields.io/badge/License-MIT-black.svg)](LICENSE)

[![Platform](https://img.shields.io/badge/platform-macOS%2015%2B%20·%20Apple%20Silicon-black.svg)](#requirements) [![Swift 6](https://img.shields.io/badge/Swift-6-black.svg)](Package.swift) [![Homebrew](https://img.shields.io/badge/brew-goodmai%2Fbasalt%2Fbasalt-black.svg)](#install-with-homebrew) [![Ladder](https://img.shields.io/badge/ladder-6%20tasks-black.svg)](#benchmarks) [![ARC-AGI](https://img.shields.io/badge/ARC--AGI-pass%402-black.svg)](#benchmarks)

┌──────────────────────────────────────────────────────┐
│                       Basalt                           │
│                                                      │
│   MCP stdio ──┐                                      │
│               ├──► ModelOrchestratorActor ──► MLX   │
│   REST :8080 ─┘        (actor, FIFO)      Metal GPU  │
└──────────────────────────────────────────────────────┘

Two transports share a single actor instance — **MCP stdio** for IDE integration (Claude Desktop, Cursor) and **REST HTTP** for agent-to-agent workflows and Claude Code backends.

Open models basalt runs: Qwen, Gemma, Ornith, gpt-oss, DeepSeek, Llama