Postgres MCP Pro (Crystal DBA)
Last tested 2026-10-22
Score 60/100 · Last tested 2026-10-22 · Version tested 0.3.0 · Package postgres-mcp · Repo crystaldba/postgres-mcp
Summary: Postgres MCP Pro (Crystal DBA) requires credentials or a backing service before it will list tools.
Test results
| Test | Result | Points | Evidence |
|---|---|---|---|
| install | pass | 20 | uv pip install postgres-mcp (Python venv, Linux) succeeded in 0s. |
| handshake | fail | 0 | Server did not complete the handshake without credentials or a backing service (resources() ^^^^^^^^^^^^^^^^^^^^^ AttributeError: 'Server' object has no attribute 'list_resources' exited code 1). |
| maintenance | partial | 15 | Repo pushed 66 days before test. |
| docs | pass | 15 | README over 3,000 chars; install instructions present; mcpServers config example present. Automated check of the package's own README (PyPI long_description (package README)). |
| license | pass | 10 | MIT (OSI-approved). |
Local-model readiness
Not yet tested (no tools/list response without credentials).
Not tested
We did not test behavior with real credentials, security, or performance under load. These are planned; see methodology.
Tools listed
Not available (handshake did not complete without credentials).
Config used in our test
{
"mcpServers": {
"postgres-mcp-pro-crystal-dba": {
"command": "uvx",
"args": [
"postgres-mcp",
"--access-mode=unrestricted",
"postgresql://postgres@127.0.0.1:5432/test"
]
}
}
}FAQ
Is Postgres MCP Pro (Crystal DBA) deprecated?
No. postgres-mcp was not deprecated or archived when we last tested it on 2026-10-22.
What replaces Postgres MCP Pro (Crystal DBA)?
Nothing; Postgres MCP Pro (Crystal DBA) is not deprecated as of 2026-10-22.
Does Postgres MCP Pro (Crystal DBA) need an API key?
Unknown. It did not complete the handshake in our test without credentials or a backing service, and gave no clear credential message.
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