Postgresql MCP Server

• Read-only access for safe database exploration
• Automatic discovery of table structures and columns
• Execute SELECT queries within read-only transactions
• Access detailed database metadata and structure
• Perform data analysis without altering database state
• Support for SSL connections and authentication

The official PostgreSQL MCP Server from Anthropic provides read-only access to PostgreSQL databases, enabling Claude to inspect schemas and execute safe queries.

• Understand database schema and relationships
• Generate reports from existing data
• Analyze data patterns and distributions
• Create documentation from database structure
• Write and test SELECT queries
• Explore unfamiliar database schemas

• All queries execute in read-only transactions
• INSERT, UPDATE, DELETE operations are prevented
• Supports SSL/TLS encryption for connections
• Respects existing database user permissions
• Safe exploration without data modification risks

• Verify connection string format and database accessibility
• Check username/password in connection string
• Add SSL mode if required by your database
• Ensure database user has SELECT permissions
• Test connection from command line first

• What tables exist in my database?
• Describe the structure of the users table
• How many records are in each table?
• Write a query to find active users from last month
• Generate documentation for my database schema