Firefox DevTools MCP for Grok
io.github.mozilla/firefox-devtools-mcp
Control and debug Firefox: navigate, fill forms, inspect network and console, profile.
client:Grok
transport:stdio
runtime:npm
Install Firefox DevTools MCP in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"firefox-devtools-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mozilla/firefox-devtools-mcp"
],
"env": {
"FIREFOX_HEADLESS": "<FIREFOX_HEADLESS>",
"START_URL": "<START_URL>"
}
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs