firefox-css-theme
MCP for building, inspecting, and live-debugging Firefox CSS themes.
Install
npmstdio
npx -y firefox-css-theme Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-easonwong-de-firefox-css-theme": {
"command": "npx",
"args": [
"-y",
"firefox-css-theme"
]
}
}
} Source: official MCP Registry record · registry name io.github.easonwong-de/firefox-css-theme · published 2026-09-05 · updated 2026-09-05. Not an endorsement; review the code before connecting it to anything sensitive.