# Cloudhil MCP server

> Allows LLM agents to flash pre-built STM32 and LPC ELF files onto real Nucleo and Discovery hardware boards via HTTPS.

- Repository: https://github.com/Tetef/cloudhildemo
- Page: https://hostedmcp.org/servers/tetef/cloudhildemo
- Transport: stdio, remote
- Stars: 0
- License: MIT
- Latest version: 0.8.2

## Install

### Claude Code

```sh
claude mcp add --env 'CLOUDHIL_API_KEY=<YOUR_CLOUDHIL_API_KEY>' cloudhildemo -- uvx cloudhil-mcp
```

### Cursor (`~/.cursor/mcp.json`)

```json
{
  "mcpServers": {
    "cloudhildemo": {
      "command": "uvx",
      "args": [
        "cloudhil-mcp"
      ],
      "env": {
        "CLOUDHIL_API_KEY": "<YOUR_CLOUDHIL_API_KEY>"
      }
    }
  }
}
```

### VS Code (`.vscode/mcp.json`)

```json
{
  "servers": {
    "cloudhildemo": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "cloudhil-mcp"
      ],
      "env": {
        "CLOUDHIL_API_KEY": "<YOUR_CLOUDHIL_API_KEY>"
      }
    }
  }
}
```

### VS Code CLI

```sh
code --add-mcp '{"name":"cloudhildemo","type":"stdio","command":"uvx","args":["cloudhil-mcp"],"env":{"CLOUDHIL_API_KEY":"<YOUR_CLOUDHIL_API_KEY>"}}'
```

### Claude Desktop (`claude_desktop_config.json`)

```json
{
  "mcpServers": {
    "cloudhildemo": {
      "command": "uvx",
      "args": [
        "cloudhil-mcp"
      ],
      "env": {
        "CLOUDHIL_API_KEY": "<YOUR_CLOUDHIL_API_KEY>"
      }
    }
  }
}
```

### Codex

```sh
codex mcp add cloudhildemo --env 'CLOUDHIL_API_KEY=<YOUR_CLOUDHIL_API_KEY>' -- uvx cloudhil-mcp
```

### Codex config.toml (`~/.codex/config.toml`)

```toml
[mcp_servers.cloudhildemo]
command = "uvx"
args = ["cloudhil-mcp"]

[mcp_servers.cloudhildemo.env]
CLOUDHIL_API_KEY = "<YOUR_CLOUDHIL_API_KEY>"
```

### Gemini CLI

```sh
gemini mcp add -s user -e 'CLOUDHIL_API_KEY=<YOUR_CLOUDHIL_API_KEY>' cloudhildemo uvx -- cloudhil-mcp
```

### Gemini settings.json (`~/.gemini/settings.json`)

```json
{
  "mcpServers": {
    "cloudhildemo": {
      "command": "uvx",
      "args": [
        "cloudhil-mcp"
      ],
      "env": {
        "CLOUDHIL_API_KEY": "<YOUR_CLOUDHIL_API_KEY>"
      }
    }
  }
}
```

## Environment variables

| Name | Required | Secret | Description |
|---|---|---|---|
| `CLOUDHIL_API_KEY` | no | yes | Bearer from register_agent (optional; the tool can register) |
| `CLOUDHIL_URL` | no | no | Cloudhil API base URL |

## FAQ

### How do I know if the flashing was successful?

You can check the result.mailbox for the NNOK value (0x4E4E4F4B) to verify the process.

### What happens to the MCU after flashing?

The MCU is erased within a window of 20 seconds or less.