Browser compatibility and Baseline status for any web feature — offline, from MDN's browser-compat-data, web-features, and caniuse. STDIO or Streamable HTTP.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add browser-compat -- npx -y @cyanheads/browser-compat-mcp-server~/.codex/config.toml
[mcp_servers.browser-compat]
command = "npx"
args = ["-y", "@cyanheads/browser-compat-mcp-server"]
# codex mcp add browser-compat -- npx -y @cyanheads/browser-compat-mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"browser-compat": {
"command": "npx",
"args": [
"-y",
"@cyanheads/browser-compat-mcp-server"
]
}
}
}.vscode/mcp.json
{
"servers": {
"browser-compat": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@cyanheads/browser-compat-mcp-server"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"browser-compat": {
"command": "npx",
"args": [
"-y",
"@cyanheads/browser-compat-mcp-server"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"browser-compat": {
"command": "npx",
"args": [
"-y",
"@cyanheads/browser-compat-mcp-server"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"browser-compat": {
"command": "npx",
"args": [
"-y",
"@cyanheads/browser-compat-mcp-server"
]
}
}
}Remote
claude mcp add --transport http browser-compat https://browser-compat.caseyjhand.com/mcp~/.codex/config.toml
[mcp_servers.browser-compat]
url = "https://browser-compat.caseyjhand.com/mcp"
# codex mcp add browser-compat --url https://browser-compat.caseyjhand.com/mcp~/.cursor/mcp.json
{
"mcpServers": {
"browser-compat": {
"url": "https://browser-compat.caseyjhand.com/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"browser-compat": {
"type": "http",
"url": "https://browser-compat.caseyjhand.com/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"browser-compat": {
"httpUrl": "https://browser-compat.caseyjhand.com/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"browser-compat": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://browser-compat.caseyjhand.com/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"browser-compat": {
"url": "https://browser-compat.caseyjhand.com/mcp"
}
}
}