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RUNLOCALAI · v38
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  4. /MCP PostgreSQL Server
server
Open source
free (OSS, MIT)

MCP PostgreSQL Server

Reference MCP server that exposes a Postgres database as a query surface. Read-only by default — but worth flagging that early versions had a SQL-injection class issue where the read-only wrapper could be bypassed by stacking statements. Production deployments should pin a current version and run with a least-privilege role on top of any wrapper guarantees.

By Fredoline Eruo·Last verified Jun 12, 2026·60,000 GitHub stars

Overview

Reference MCP server that exposes a Postgres database as a query surface. Read-only by default — but worth flagging that early versions had a SQL-injection class issue where the read-only wrapper could be bypassed by stacking statements. Production deployments should pin a current version and run with a least-privilege role on top of any wrapper guarantees.

Stack & relationships

How MCP PostgreSQL Server relates to other entries in the catalog — recommended pairings, alternatives, dependencies, and edges to avoid. Each edge carries a one-line operator note from our editorial team.

MCP PostgreSQL Server ↔ ecosystem

Works with

  • Integrates with
    OpenHands

    Postgres MCP exposes structured-knowledge memory to OpenHands. The /stacks/memory-enabled-agent recipe wires this path.

Avoid pairing with

  • Works poorly with
    Model Context Protocol (MCP)

    Older Postgres MCP versions had a statement-stacking SQL injection that bypassed the read-only wrapper. Pin a current version AND run with a least-privilege DB role.

Featured in this stack

The L3 execution stacks that pick this tool as a recommended component, with the one-line note explaining the role it plays in each.

  • Stack · L3·Workstation tier·Role: MCP postgres (structured-knowledge memory)
    Build a memory-enabled local agent stack (May 2026)

    Postgres MCP exposes a structured-knowledge database to the agent — complements vector-based memory (Mem0) by holding facts that need exact lookup. Pin to the current version and run with a least-privilege role; older versions had a SQL-injection escape on the read-only wrapper.

Pros

  • Drop-in Postgres exposure for any MCP client
  • Schema introspection out of the box
  • Read-only mode the default

Cons

  • Historic statement-stacking SQLi escape — pin to current versions
  • Defense-in-depth requires a least-privilege DB role on top of the wrapper
  • Long-running queries can saturate the client side

Compatibility

Operating systems
macOS
Linux
Windows
GPU backends
n/a
LicenseOpen source · free (OSS, MIT)

Runtime health

Operator-grade signals on how actively MCP PostgreSQL Server is being maintained, how fresh its measurements are, and what failure classes operators have flagged. Every label below is anchored to a real date or count — we never infer maintainer activity we can't show.

Release cadence

Derived from the most recent editorial signal on this row.

Active
Updated Jun 12, 2026

8 days since last refresh · source: lastUpdated

Benchmark freshness

How recent the editorial measurements on this runtime are.

0editorial benchmarks

No editorial benchmarks for this runtime yet.

Community reproduction

Submissions that match an editorial measurement on similar hardware.

0reproduced reports

No community reproductions on file yet.

Get MCP PostgreSQL Server

Official site
https://modelcontextprotocol.io
GitHub
https://github.com/modelcontextprotocol/servers

Frequently asked

Is MCP PostgreSQL Server free?

Yes — MCP PostgreSQL Server is free to use and open-source.

What operating systems does MCP PostgreSQL Server support?

MCP PostgreSQL Server supports macOS, Linux, Windows.

Does MCP PostgreSQL Server need a GPU?

No — MCP PostgreSQL Server runs on CPU; it does not require or use a GPU.
See something off?Report outdated·Suggest a correctionWe read every submission. Editorial review takes 1-7 days.

Reviewed by RunLocalAI Editorial. See our editorial policy for how we evaluate tools.

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Before you buy

Verify MCP PostgreSQL Server runs on your specific hardware before committing money.

Will it run on my hardware? →Custom hardware comparison →GPU recommender (4 questions) →