Postgres vs Rls Doctor
A side-by-side look at the Postgres and Rls Doctor MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
R
Rls DoctorDatabasesRead-only Postgres/Supabase RLS audit with a rolled-back probe that proves who can read which rows.35FairAuth: not declaredVerdict: choose Postgres for databases work as a local process; choose Rls Doctor for databases. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Postgres when
- You need dedicated capabilities in the Databases domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
DATABASE_URL. - You want tools like
query, schema, table_info.
RChoose Rls Doctor when
- You need dedicated capabilities in the Databases domain.
- You have the keys it needs:
DATABASE_URL, SUPABASE_DB_URL.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | R Rls Doctor | |
|---|---|---|
| Category | Databases | Databases |
| Quality signal | 52/100 · Good | 35/100 · Fair |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Free |
| Required env vars | DATABASE_URL | DATABASE_URLSUPABASE_DB_URL |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 0 |
| Directory activity | 1 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 5 | Not listed |
| Full listing | View Postgres | View Rls Doctor |
Tools & capabilities
Postgres tools 5
queryExecute SQL (SELECT, WITH, EXPLAIN, SHOW, ANALYZE). Returns a text table.schemaTables in a schema (default `public`) with columns and approximate row countstable_infoOne table: columns, types, null/default, PK, exact row countexplainEXPLAIN (FORMAT TEXT), optional ANALYZElist_schemasList non-system schemas
Rls Doctor 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.
Postgres
{
"mcpServers": {
"postgres": {
"command": "npx",
"args": [
"-y",
"mcp-pg-server"
],
"env": {
"DATABASE_URL": "YOUR_DATABASE_URL_HERE"
}
}
}
}
Rls Doctor
No confirmed install command for Rls Doctor yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
Postgres is categorized under Databases and uses a local stdio subprocess. Rls Doctor belongs to Databases and uses an install path we have not confirmed yet. Pick Postgres for databases work and Rls Doctor 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. Rls Doctor has no confirmed install command yet — follow its own setup instructions.
Postgres has no declared pricing — check the project's own site. Rls Doctor is listed as free. 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 postgres and rls-doctor as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Postgres has a quality signal of 52/100 (Good) with 1 views, 0 installs and 0 GitHub stars. Rls Doctor has 35/100 (Fair) with 0 views, 0 installs and 0 GitHub stars.
