MCP Database Doctor vs Postgres MCP
A side-by-side look at the MCP Database Doctor 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 MCP Database Doctor 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 MCP Database Doctor when
- You need dedicated capabilities in the Databases domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You have the keys it needs:
CONTROL_PLANE_URL. - You want tools like
analyze_query, check_migration, suggest_indexes.
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 | 56/100 · Good | 55/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | No auth required | API key required |
| Pricing | Free | Free |
| Required env vars | CONTROL_PLANE_URL | DATABASE_URI |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 3,410 |
| Directory activity | 0 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | 5 | Not listed |
| Full listing | View MCP Database Doctor | View Postgres MCP |
Tools & capabilities
MCP Database Doctor tools 5
analyze_querySQL anti-patterns with severity and recommendationscheck_migrationDestructive DDL, index locking, constraints, rewrite and transaction riskssuggest_indexesConservative DDL candidates; not appliedexplain_planLarge sequential scans, row estimate errors, sort spills, high loopshealth_reportAggregate review of supplied artifacts only
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.
MCP Database Doctor
{
"mcpServers": {
"mcp-database-doctor": {
"command": "npx",
"args": [
"-y",
"mcp-database-doctor"
],
"env": {
"CONTROL_PLANE_URL": "YOUR_CONTROL_PLANE_URL_HERE"
}
}
}
}
Postgres MCP
{
"mcpServers": {
"crystaldba-postgres-mcp": {
"command": "uvx",
"args": [
"postgres-mcp"
],
"env": {
"DATABASE_URI": "YOUR_DATABASE_URI_HERE"
}
}
}
}
Frequently asked questions
MCP Database Doctor is categorized under Databases and uses a local stdio subprocess. Postgres MCP belongs to Databases and uses a local stdio subprocess. Pick MCP Database Doctor 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.
MCP Database Doctor is listed as free. Auth: no auth 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 mcp-database-doctor and crystaldba-postgres-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, MCP Database Doctor has a quality signal of 56/100 (Good) with 0 views, 0 installs and 0 GitHub stars. Postgres MCP has 55/100 (Good) with 3 views, 0 installs and 3,410 GitHub stars.