MCP Comparison · 2026

PostgreSQL (archived) vs Redis MCP Server

Comparing PostgreSQL (archived) and Redis as MCP servers? PostgreSQL (archived) (query postgres) is best when auditing or replacing an existing install. Redis (inspect & debug redis) is best when cache inspection. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.

Side-by-side specs

Pulled from each MCP's verified fact sheet.

 PostgreSQL (archived)Redis
Primary functionQuery PostgresInspect & Debug Redis
MaintainerAnthropic (archived 2025-07-10)Redis
PricingOpen sourceOpen source
Setup complexityLow · ~3 minLow · ~3 min
Transportstdiostdio
Auth modelAPI keyAPI key
LicenseMITMIT
LanguageTypeScriptPython
Latest versionarchivedlatest
Compatible clientsClaude, Cursor, Any MCP-compatible client, PostgreSQL 12+Claude, Cursor, VS Code, Windsurf, Any MCP-compatible client, Redis 6+, Redis Stack, Valkey
Last verified2026-05-292026-05-27

Which one should you pick?

Decision rubric drawn from each MCP's documented strengths.

Choose PostgreSQL (archived)

  • Auditing or replacing an existing install
  • Reference reading for how the early MCP servers were structured
See full PostgreSQL (archived) write-up →

Choose Redis

  • Cache inspection
  • Session debugging
  • Queue depth checks
See full Redis write-up →

Pick something else if…

  • New installs (the repo is archived)
  • Production-wide KEYS scans

Feature breakdown

Key capabilities each server ships out of the box.

PostgreSQL (archived)

  • Archived on 2025-07-10 — no upstream maintenance
  • Read-only contract is bypassable per Datadog Security Labs
  • SELECT-only tool surface (when the contract holds)
  • Stdio transport; one connection per process
  • Recommended migration: Postgres MCP Pro or Supabase MCP

Redis

  • Redis + Redis Stack + Valkey support
  • Read-only mode default
  • Per-data-type read tools
  • TTL and memory inspection
  • Pattern-based SCAN (not KEYS)

Install snippets

Open the detail page for ready-to-paste config for every major client.

FAQ

PostgreSQL (archived) vs Redis: which MCP server should I use?

Pick PostgreSQL (archived) when auditing or replacing an existing install. Pick Redis when cache inspection. PostgreSQL (archived) is built for query postgres, while Redis focuses on inspect & debug redis.

Can I run both PostgreSQL (archived) and Redis together?

Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.

How fresh is this comparison?

Updated for 2026. PostgreSQL (archived)'s last verification: 2026-05-29. Redis's last verification: 2026-05-27. We refresh detail-page facts on every catalog rebuild.

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