Firebase MCP vs Supabase MCP Server
A side-by-side comparison of two Databases servers — tools, transport, auth, maintenance, and copy-paste config for each.
| Firebase MCP Let AI assistants work directly with Firebase Firestore, Storage, and Authentication. Unverified stdio (local) API key Stale TypeScript | Supabase MCP Server Official Supabase server: manage tables, run SQL, branches, configs and edge functions from your AI client. Verified HTTP (remote) OAuth TypeScript | |
|---|---|---|
| Category | Databases | Databases |
| Language | TypeScript | TypeScript |
| Transport | stdio (local) | HTTP (remote) |
| Auth | API key | OAuth |
| GitHub stars | 245 | 2.7k |
| Last commit | 7 months ago | 1 month ago |
| Verified | ||
| Actively maintained | ||
| Install | npx -y @gannonh/firebase-mcp | Add remote URL https://mcp.supabase.com/mcp to your MCP client (OAuth login) |
| Repo | Open | Open |
Verdict
Pick Firebase MCP if you want a local (stdio) server that keeps data on your machine.
Pick Supabase MCP Server if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.
Add Firebase MCP
npx -y @gannonh/firebase-mcpPaste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"firebase-mcp": {
"command": "npx",
"args": [
"-y",
"@gannonh/firebase-mcp"
],
"env": {
"SERVICE_ACCOUNT_KEY_PATH": "/absolute/path/to/serviceAccountKey.json",
"FIREBASE_STORAGE_BUCKET": "your-project-id.firebasestorage.app"
}
}
}
}Add Supabase MCP Server
Add remote URL https://mcp.supabase.com/mcp to your MCP client (OAuth login)Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"supabase-mcp-server": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.supabase.com/mcp?read_only=true&project_ref=<your-project-ref>"
]
}
}
}Claude Desktop connects to remote servers through the `mcp-remote` proxy (installed on first run via npx). Restart Claude Desktop after saving.
FAQ
Firebase MCP or Supabase MCP Server — which is better?
Pick Firebase MCP if you want a local (stdio) server that keeps data on your machine. Pick Supabase MCP Server if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.
Can I use both Firebase MCP and Supabase MCP Server?
Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.
Do Firebase MCP and Supabase MCP Server work with Claude, Cursor and Windsurf?
Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.