go-mcp-postgres

@guoling2008

About go-mcp-postgres

Zero burden, ready-to-use Model Context Protocol (MCP) server for interacting with postgresql and automation with sse / stdio mode and i18n support

#postgres #database #automation

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "postgres": {
      "command": "go-mcp-postgres",
      "args": [
        "--dsn",
        "postgresql://user:pass@host:port/db"
      ]
    }
  }
}

Tools

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Overview

What is go-mcp-postgres?

go-mcp-postgres is a lightweight, standalone Model Context Protocol (MCP) server for interacting with PostgreSQL databases. It requires no Node.js or Python runtime and provides tools for CRUD operations, schema management, and read-only queries. It is intended for developers and AI agents who need zero‑burden database automation.

How to use go-mcp-postgres?

Download the latest binary from the releases page or install via go install -v github.com/guoling2008/go-mcp-postgres@latest. Configure it in your MCP client using the --dsn flag for stdio mode, or use --t sse --ip <ip> --port <port> for SSE mode. Optional flags include --read-only (disables write tools) and --with-explain-check (forces EXPLAIN before every query).

Key features of go-mcp-postgres

Single binary, no Node.js or Python required
Full CRUD operations on PostgreSQL databases and tables
Read‑only mode to prevent accidental writes
Optional EXPLAIN‑based query plan check
Multi‑language support (en/zh‑CN via --lang)
Schema tools: list databases, tables, describe, create, alter

Use cases of go-mcp-postgres

AI‑assisted database schema exploration and management
Automating read‑only data extraction and reporting
Safe database administration with read‑only mode enabled
Multi‑language environments needing English or Chinese tool descriptions

FAQ from go-mcp-postgres

Does go-mcp-postgres need Node.js or Python?

No. It is a standalone Go binary with no external runtime dependencies.

What is the difference between stdio and SSE modes?

Stdio mode is the default, suitable for local MCP integrations. SSE mode (--t sse) listens on a specified IP and port for remote connections.

How does the EXPLAIN check work?

By default, every write query is preceded by an EXPLAIN statement to verify the query plan matches expected patterns. Use --with-explain-check to disable this behavior.

Can I use go-mcp-postgres in a production environment?

The README notes this is a work in progress and may not yet be ready for production use.

What languages are supported?

Currently English (en) and Chinese (zh‑CN) are built‑in. Custom language files can be added in the locales folder.

Frequently asked questions

Does go-mcp-postgres need Node.js or Python?

No. It is a standalone Go binary with no external runtime dependencies.

What is the difference between stdio and SSE modes?

Stdio mode is the default, suitable for local MCP integrations. SSE mode (`--t sse`) listens on a specified IP and port for remote connections.

How does the EXPLAIN check work?

By default, every write query is preceded by an `EXPLAIN` statement to verify the query plan matches expected patterns. Use `--with-explain-check` to disable this behavior.

Can I use go-mcp-postgres in a production environment?

The README notes this is a work in progress and may not yet be ready for production use.

What languages are supported?

Currently English (en) and Chinese (zh‑CN) are built‑in. Custom language files can be added in the locales folder.

Comments

Basic information

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