Show HN: Trellis - A macOS Terminal with a CLI, JSON-RPC API and MCP Server

Category: devtools

Tags: macos, terminal, swift, automation, json-rpc, mcp

Score: 7.3/10 (Innovation: 7, Technical: 8, Documentation: 8, Utility: 6)

Trellis is a native macOS terminal emulator built in Swift with a local JSON-RPC API, a CLI, and an MCP server for automation. It combines a modern terminal UI with workspace management, SSH hosts, shell integration, and themes, aiming to provide a calm and extensible terminal experience. The project is notable for its deep automation capabilities and clean, native implementation.

Target audience: macOS developers, devops engineers, power users seeking terminal automation

Repository: https://github.com/bearstouch/trellis · Swift · MIT · 6 stars

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