M

MCP Server Postgres Multi Schema

A multi-schema PostgreSQL MCP server that provides read-only access and cross-schema data discovery, strictly limiting access to the configured list of schemas.
2.5 points
20

What is the PostgreSQL Multi-Schema MCP Server?

This is a Model Context Protocol (MCP) server specifically designed to provide read-only access to PostgreSQL databases. It supports multi-schema access and enhances security by explicitly specifying the allowed schemas.

How to use the PostgreSQL Multi-Schema MCP Server?

Simply enter the database connection string and the list of schemas to be exposed to start the server. Then, you can easily query data across multiple schemas.

Application scenarios

Suitable for scenarios that require data analysis or report generation across multiple schemas, such as enterprise-level BI tool integration.

Main features

Multi-schema supportAllows you to explicitly specify the schemas to be configured via the command line.
Schema isolationStrictly restricts access to the listed schemas to ensure data security.
Cross-schema discoveryProvides a unified view of tables while maintaining schema boundaries.
Metadata securityFilters the system catalog to display only user-defined tables in the specified schemas.

Advantages and limitations

Advantages
Easy to configure and use
Powerful multi-schema support
Strict security and isolation
Efficient data analysis capabilities
Limitations
Only supports read-only operations
Requires explicitly listing the allowed schemas

How to use

Install dependencies
Ensure that the Node.js environment is installed and the npm command can be run.
Start the server
Start the server using the database URL and the list of schemas.

Usage examples

Query user data in the public schemaRetrieve all user information from the public schema.
Cross-schema queryQuery data in both the public and analytics schemas simultaneously.

Frequently Asked Questions

Does it support write operations?
How to add a new schema?
Is there permission control?

Related resources

Official documentation
Detailed usage guide and technical reference.
GitHub repository
Source code and contribution guide.
Video tutorial
Quick start video.
Installation
Copy the following command to your Client for configuration
{
  "mcpServers": {
    "postgres": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-postgres-multi-schema",
        "postgresql://localhost/mydb",
        "public,audit"
      ]
    }
  }
}
Note: Your key is sensitive information, do not share it with anyone.
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