LibreEmbed Claude Code

LibreEmbed Claude Code

Embedded systems, firmware, and IoT development with Claude Code — 15 specialized plugins from bare metal to RTOS

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Skills, agents, commands, and workflows for embedded systems development with Claude Code.

Most LLM-assisted coding patterns assume a web stack. Embedded development isn't web. The toolchain is GCC + OpenOCD + a hardware debugger. The runtime is bare metal or a 32 KB RTOS. The bugs live in a register on a chip you can hold in your hand. The feedback loop is "compile, flash, watch the LED, decide."

LibreEmbed is the Claude Code stack for that work. Fifteen plugins covering the layers that actually matter when you're bringing up a board, writing a driver, debugging across SWD, or shipping firmware that has to survive a reflash in the field.

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The shift this kit responds to

Andrej Karpathy framed the broader change in December 2025:

"I've never felt this much behind as a programmer. The profession is being dramatically refactored."

"New vocabulary: agents, subagents, their prompts, contexts, memory, modes, permissions, tools, plugins, skills, hooks, MCP, LSP, slash commands, workflows, IDE integrations..."

Embedded development has resisted that refactor longer than most domains. The reasons are real — proprietary toolchains, hardware-in-the-loop testing, safety constraints, vendor lock-in — but the result is that embedded teams have lagged in adopting agent-assisted workflows. LibreEmbed exists to close that gap. Each plugin encodes a slice of embedded expertise as agent prompts + commands + skills, so the agent can think alongside you when you're trying to figure out why the chip won't enumerate over USB.

Where LibreEmbed fits in the Claude Code stack

Claude Code component	LibreEmbed provides
Plugins	15 domain plugins (RTOS, ARM Cortex-M, comm buses, IoT, FPGA, safety-critical, more), installed from one marketplace named libre-embed
Agents	Domain-specialist agents for each plugin — e.g., RTOS engineer, ARM Cortex-M expert, IoT protocol designer
Commands	Quick-access slash commands per plugin (/rtos, /comm-bus, /iot, /cortex-m, etc.)
Skills	Reusable pattern libraries — calibration routines, sensor fusion, bootloader patterns, OTA workflows
Hooks	Pre/post tool hooks for safety nets, packaged as the optional libre-embed-hooks plugin: asks before flash, erase, and secret-file operations
Templates	A project CLAUDE.md scaffold (templates/CLAUDE.md)

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What's included