Supabase MCP Server vs Postgres MCP
A side-by-side look at the Supabase MCP Server and Postgres MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Supabase MCP Server for databases work as a local process; choose Postgres MCP for databases as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Supabase MCP Server when
- You need dedicated capabilities in the Databases domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
SUPABASE_PROJECT_REF, SUPABASE_DB_PASSWORD, SUPABASE_REGION, SUPABASE_ACCESS_TOKEN, SUPABASE_SERVICE_ROLE_KEY, QUERY_API_KEY.
Choose Postgres MCP when
- You need dedicated capabilities in the Databases domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
DATABASE_URI.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Databases | Databases |
| Quality signal | 48/100 · Fair | 56/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | API key required |
| Pricing | Free | Free |
| Required env vars | SUPABASE_PROJECT_REFSUPABASE_DB_PASSWORDSUPABASE_REGIONSUPABASE_ACCESS_TOKENSUPABASE_SERVICE_ROLE_KEYQUERY_API_KEY | DATABASE_URI |
| Verified owner | Community listing | Community listing |
| GitHub stars | 836 | 3,464 |
| Directory activity | 6 views 0 installs 1 upvotes | 7 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View Supabase MCP Server | View Postgres MCP |
Tools & capabilities
Supabase MCP Server tools
No tool names declared yet. Check the project README from the listing page.
Postgres MCP tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Supabase MCP Server
{
"mcpServers": {
"alexanderzuev-supabase-mcp-server": {
"command": "uvx",
"args": [
"supabase-mcp-server"
],
"env": {
"SUPABASE_PROJECT_REF": "YOUR_SUPABASE_PROJECT_REF_HERE",
"SUPABASE_DB_PASSWORD": "YOUR_SUPABASE_DB_PASSWORD_HERE",
"SUPABASE_REGION": "YOUR_SUPABASE_REGION_HERE",
"SUPABASE_ACCESS_TOKEN": "YOUR_SUPABASE_ACCESS_TOKEN_HERE",
"SUPABASE_SERVICE_ROLE_KEY": "YOUR_SUPABASE_SERVICE_ROLE_KEY_HERE",
"QUERY_API_KEY": "YOUR_QUERY_API_KEY_HERE"
}
}
}
}
Postgres MCP
{
"mcpServers": {
"crystaldba-postgres-mcp": {
"command": "uvx",
"args": [
"postgres-mcp"
],
"env": {
"DATABASE_URI": "YOUR_DATABASE_URI_HERE"
}
}
}
}
Frequently asked questions
Supabase MCP Server is categorized under Databases and uses a local stdio subprocess. Postgres MCP belongs to Databases and uses a local stdio subprocess. Pick Supabase MCP Server for databases work and Postgres MCP for databases.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Supabase MCP Server is listed as free. Auth: api key required. Postgres MCP is listed as free. Auth: api key required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add alexanderzuev-supabase-mcp-server and crystaldba-postgres-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Supabase MCP Server has a quality signal of 48/100 (Fair) with 6 views, 0 installs and 836 GitHub stars. Postgres MCP has 56/100 (Good) with 7 views, 0 installs and 3,464 GitHub stars.