QueryBear vs CrystalDBA Postgres MCP Pro
QueryBear vs CrystalDBA Postgres MCP Pro
Hosted gateway vs self-host, single database
CrystalDBA's Postgres MCP Pro is a serious step up from the archived reference. QueryBear adds a thicker gateway, a UI, multi-tenant auth, and a queryable audit log — at $49/mo flat instead of self-hosted maintenance.
Try QueryBear FreeKey Differences
Deployment
QueryBear
Hosted MCP server. Or local desktop app.
CrystalDBA Postgres MCP Pro
Self-host. You manage the process, updates, and credentials.
Allowlist depth
QueryBear
Schema, table, column, function-level.
CrystalDBA Postgres MCP Pro
Schema-level. Table/column on the roadmap.
UI for non-engineers
QueryBear
Yes — saved tools, browse schema, run queries.
CrystalDBA Postgres MCP Pro
None. Agent / CLI only.
Audit log
QueryBear
Per-workspace, queryable from dashboard.
CrystalDBA Postgres MCP Pro
Stderr or file. Bring your own log analysis.
Feature Comparison
Feature
QueryBear
CrystalDBA Postgres MCP Pro
Read-only enforcement
Parser + role + transaction.
Transaction + dangerous-function blocklist.
Table allowlist
Yes.
Schema-level.
Column blocking
Yes.
Roadmap.
Statement timeout
Yes, gateway-enforced.
Yes, configurable.
EXPLAIN cost cap
Yes.
No.
Audit log
Structured, queryable.
Stderr / file.
Schema caching
Two-pass, smart selection.
Cached, full-schema.
Multi-tenant auth
OAuth DCR.
Per-process connection string.
UI
Yes.
None.
Pricing
$49/mo flat (hosted).
Free + hosting/maintenance.
Read-only enforcement
QueryBearParser + role + transaction.
CrystalDBA Postgres MCP ProTransaction + dangerous-function blocklist.
Table allowlist
QueryBear
Yes.
CrystalDBA Postgres MCP ProSchema-level.
Column blocking
QueryBear
Yes.
CrystalDBA Postgres MCP ProRoadmap.
Statement timeout
QueryBear
Yes, gateway-enforced.
CrystalDBA Postgres MCP Pro
Yes, configurable.
EXPLAIN cost cap
QueryBear
Yes.
CrystalDBA Postgres MCP Pro
No.
Audit log
QueryBearStructured, queryable.
CrystalDBA Postgres MCP ProStderr / file.
Schema caching
QueryBearTwo-pass, smart selection.
CrystalDBA Postgres MCP ProCached, full-schema.
Multi-tenant auth
QueryBearOAuth DCR.
CrystalDBA Postgres MCP ProPer-process connection string.
UI
QueryBear
Yes.
CrystalDBA Postgres MCP ProNone.
Pricing
QueryBear$49/mo flat (hosted).
CrystalDBA Postgres MCP ProFree + hosting/maintenance.
When to Choose What
Choose QueryBear if...
- You want a hosted gateway without DevOps overhead
- You need column-level privacy controls today
- You want a UI for non-engineer teammates
- You want a queryable audit log out of the box
- You want OAuth multi-tenant auth
Choose CrystalDBA Postgres MCP Pro if...
- You strongly prefer self-hosting your MCP server
- You want full source code control
- You want to fork and extend
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