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PostgreSQL (hardened, read-only) MCP server

by Eszetael·io.github.Eszetael/postgres-mcp-hardened·v0.1.10
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Read-only PostgreSQL over MCP. Writes refused at the parsed SQL, plus a READ ONLY transaction.

C68/100grade C
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Safety scan
C68/100

full report

Adoption
Growing

3 stars91 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

PostgreSQL (hardened, read-only) tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

2 medium
  • Code scan4 source files scanned15/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Findings (2)

  • mediumnpm install lifecycle script presentinstall.script
  • mediumnpm install lifecycle script presentinstall.script
    package.json: … "README.md" ], "scripts": { "postinstall": "node scripts/postinstall.js", "tes…
Overall 68/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

Runs npx -y postgres-mcp-hardened on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add postgres-mcp-hardened -- npx -y postgres-mcp-hardened
Add to Cursor

PostgreSQL (hardened, read-only): common questions

Is PostgreSQL (hardened, read-only) MCP server safe?
With care: it is graded C, so read the findings first (68/100). Read the PostgreSQL (hardened, read-only) safety report
How do I install PostgreSQL (hardened, read-only)?
It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does PostgreSQL (hardened, read-only) need an API key?
Yes. The registry entry asks for DATABASE_URL.
Is PostgreSQL (hardened, read-only) maintained?
The last commit was in the last day (2026-09-20). The latest release is v0.1.10.
What can I use instead of PostgreSQL (hardened, read-only)?
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