Chiplab
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Build, run, and test firmware on virtual instances of real chips (STM32, Nordic, etc.) via MCP, no hardware required.
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Setup
Install Chiplab in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/veecle/chiplab
Follow the installation instructions in the repository README, then restart your MCP client.
Simulate & validate firmware on virtual instances of real chips, straight from your AI coding agent — no hardware.
Chiplab is a hosted MCP service. Your AI coding agent connects to it, uploads compiled firmware, runs it on a virtual instance of a real microcontroller, and reads back the UART output. You don't drive the toolchain — your agent does.
We're building the next way to develop chips, in the open and early. Today it runsHello world!on STM32 and Nordic boards; a lot more is on the way — seeveecle.ai. Try it, poke at it, and tell us what you'd like to see.
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Create a free account atveecle.ai(no credit card).
Connect your agentto the Chiplab MCP server.
git clone https://github.com/veecle/chiplab && cd chiplab, then tell your agent:
"Set up Chiplab and run the stm32f4-discovery example on it."
Chiplab is an HTTP MCP server athttps://chiplab.veecle.ai/mcp. Most clients take the standardmcpServersschema:
{ "mcpServers": { "chiplab": { "type": "http", "url": "https://chiplab.veecle.ai/mcp" } } }
If you cloned this repo, the server is already configured via.mcp.json— Claude Code will prompt you to trust it. Otherwise:
claude mcp add --transport http chiplab https://chiplab.veecle.ai/mcp
Use themcpServersblock above inclaude_desktop_config.jsonor.cursor/mcp.json.
Same block in.vscode/mcp.json, but under aserverskey instead ofmcpServers.
[mcp_servers.chiplab] url = "https://chiplab.veecle.ai/mcp"
The contract is framework-agnostic: your agentbuilds an ELF → uploads it → runs it on the target board → reads the captured UART output. Runs return synchronously and are bounded to a fixed amount of virtual time.
This repo ships a ready-to-run example for every supported board, grouped by framework —bare-metal(Rust, vendor HAL),embassy-rust(Embassyasync),zephyr-os(Zephyr RTOS, C),freertos(FreeRTOS, C), andthreadx(Eclipse ThreadX, C). The full board × framework matrix is insupported-boards.md.
Toolchain and build details live in each framework's directory (examples/<framework>/README.mdfor humans,AGENTS.mdfor agents) — your agent finds them on its own. Prefer building by hand? Each framework README has the exact commands.
To run your own firmware, build an ELF for a supported board and ask your agent to upload and run it the same way.
Adding a board example is the easiest way in: mirror an existing example for the same framework and add a row tosupported-boards.md. All conventions live inAGENTS.mdand each framework'sAGENTS.md. New chip, OS, or peripheral support is server-side —open a requestinstead of adding an example for an unsupported board.
Found a bug? Missing a chip? Tell us here.
This is Chiplab's public home — bugs, feature ideas, and chip/OS/peripheral requests all belong inthis repo's issues. Requests really do shape the roadmap — seeveecle.ai/roadmapfor what's planned, or come say hi onDiscord.
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