PostgreSQL MCP Server
UnclaimedOfficial MCP server for PostgreSQL, query databases in natural language
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TL;DR - PostgreSQL MCP Server
- Query PostgreSQL databases in natural language from your AI
- AI generates and executes SQL, returns structured results
- Read-only mode available for production safety
Pricing: Free forever
Best for: Individuals & startups
Pros & Cons
Pros
- Official Anthropic-maintained server
- Natural language queries save time on complex SQL
- Read-only mode for production databases
Cons
- Requires database connection string, handle credentials carefully
- Complex joins may need multiple prompts
Key Features
Natural language to SQL translationQuery execution with result formattingSchema inspectionRead-only modeConnection string configuration
Pricing Plans
Open Source
Free
- Full source code access
- Community support
- Self-hosted
What is PostgreSQL MCP Server?
PostgreSQL MCP Server lets your AI assistant query any Postgres database using natural language. The AI translates your question into SQL, executes it, and returns the results. Maintained by Anthropic. Read-only mode available for safety.
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PostgreSQL MCP Server FAQ
Is PostgreSQL MCP Server safe to use?
No. This server is officially deprecated due to a critical SQL injection vulnerability. The server passes user input directly to the database without proper sanitization. Use Supabase MCP or Neon MCP as safer alternatives.
What was PostgreSQL MCP Server designed to do?
It allowed AI agents to run SQL queries against a PostgreSQL database, inspect schemas, list tables, and describe table structures. It connected via a standard
DATABASE_URL connection string.Why was PostgreSQL MCP Server deprecated?
A SQL injection vulnerability was discovered that allows arbitrary SQL execution through crafted tool inputs. Since AI agents can be prompt-injected, this creates a serious risk of data loss or exfiltration on any connected database.
What should I use instead of PostgreSQL MCP Server?
Use Supabase MCP (with built-in RLS and read-only modes), Neon MCP Server (with branching for safe experimentation), or write a custom MCP server with parameterized queries and strict input validation.
Can I still install PostgreSQL MCP Server?
The package
@anthropic-ai/postgresql-mcp still exists on npm but is no longer maintained. Installing it is strongly discouraged. If you must access PostgreSQL from AI agents, use a server with proper query parameterization.Source: github.com