Let your coding agent boot and test ESP32 firmware in a local emulator: MCP server, CLI and agent skill around esp32sim. No board, no account.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add esp32-simulator -- npx -y esp32sim-mcp~/.codex/config.toml
[mcp_servers.esp32-simulator]
command = "npx"
args = ["-y", "esp32sim-mcp"]
# codex mcp add esp32-simulator -- npx -y esp32sim-mcp~/.cursor/mcp.json
{
"mcpServers": {
"esp32-simulator": {
"command": "npx",
"args": [
"-y",
"esp32sim-mcp"
]
}
}
}.vscode/mcp.json
{
"servers": {
"esp32-simulator": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"esp32sim-mcp"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"esp32-simulator": {
"command": "npx",
"args": [
"-y",
"esp32sim-mcp"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"esp32-simulator": {
"command": "npx",
"args": [
"-y",
"esp32sim-mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"esp32-simulator": {
"command": "npx",
"args": [
"-y",
"esp32sim-mcp"
]
}
}
}