MCP server to drive Firefox-based browsers (Floorp, LibreWolf, Waterfox, Zen, Mullvad, Firefox) from Claude Code, Cursor & any MCP client - read pages, screenshot, automate tabs & forms in your real session. 'Claude in Chrome', but for Gecko.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add gecko -- npx -y gecko-mcp~/.codex/config.toml
[mcp_servers.gecko]
command = "npx"
args = ["-y", "gecko-mcp"]
# codex mcp add gecko -- npx -y gecko-mcp~/.cursor/mcp.json
{
"mcpServers": {
"gecko": {
"command": "npx",
"args": [
"-y",
"gecko-mcp"
]
}
}
}.vscode/mcp.json
{
"servers": {
"gecko": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"gecko-mcp"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"gecko": {
"command": "npx",
"args": [
"-y",
"gecko-mcp"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"gecko": {
"command": "npx",
"args": [
"-y",
"gecko-mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"gecko": {
"command": "npx",
"args": [
"-y",
"gecko-mcp"
]
}
}
}