InstantDB MCP vs Supabase MCP Server
A side-by-side comparison of two Databases servers — tools, transport, auth, maintenance, and copy-paste config for each.
| InstantDB MCP Create, manage, and query your InstantDB apps, schemas, permissions, and data from your AI editor. Unverified HTTP (remote) OAuth 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 | HTTP (remote) | HTTP (remote) |
| Auth | OAuth | OAuth |
| GitHub stars | 10k | 2.7k |
| Last commit | 1 day ago | 1 month ago |
| Verified | ||
| Actively maintained | ||
| Install | npx -y @instantdb/mcp --token <token> | Add remote URL https://mcp.supabase.com/mcp to your MCP client (OAuth login) |
| Repo | Open | Open |
Verdict
Pick InstantDB MCP if you prefer the more popular, battle-tested option.
Pick Supabase MCP Server if you want the official, vendor-maintained server, and you need the broadest set of tools.
Add InstantDB MCP
npx -y @instantdb/mcp --token <token>Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"instantdb-mcp": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.instantdb.com/mcp"
]
}
}
}Claude Desktop connects to remote servers through the `mcp-remote` proxy (installed on first run via npx). Restart Claude Desktop after saving.
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
InstantDB MCP or Supabase MCP Server — which is better?
Pick InstantDB MCP if you prefer the more popular, battle-tested option. Pick Supabase MCP Server if you want the official, vendor-maintained server, and you need the broadest set of tools.
Can I use both InstantDB 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 InstantDB 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.