Show HN: Ratchet – let an AI agent reflash your BIOS over a CH341A (MCP server)

Category: devtools

Tags: hardware-debug, spi-flash, bios-programming, rust, mcp-server, ch341a

Score: 7.8/10 (Innovation: 7, Technical: 9, Documentation: 8, Utility: 7)

Ratchet is a Rust-based hardware debug and flash-programming toolkit for CH341A/CH347 USB programmers, supporting SPI flash, I2C, JTAG, and more, with a built-in MCP server for AI agent integration. Its innovative combination of low-level hardware protocols, comprehensive offline analysis tools, and AI-driven CLI/API makes it a versatile replacement for multiple legacy tools.

Target audience: hardware engineers, embedded developers, devops, security researchers

Repository: https://github.com/jackulau/ratchet · Rust · MIT

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