PostgreSQL Database Auditing Utility

This Model Context Protocol (MCP) endpoint delivers comprehensive management capabilities for PostgreSQL environments. It aids in scrutinizing current database deployments, delivering practical deployment blueprints, and resolving common operational faults within the database system.

Core Functions

1. System Evaluation (analyze_database)

Performs deep inspection of PostgreSQL configuration parameters and active performance statistics: - Parameter baseline review - Runtime metric capture - Vulnerability scanning - Suggested tuning directives

typescript // Illustrative invocation { "connectionString": "postgresql://user:password@localhost:5432/dbname", "analysisType": "performance" // Options: "configuration" | "performance" | "security" }

2. Deployment Protocol (get_setup_instructions)

Offers sequential directions for installing and configuring the PostgreSQL server: - OS-specific installation routines - Recommended configuration settings - Security hardening guidelines - Post-installation verification checks

typescript // Illustrative invocation { "platform": "linux", // Requirement: "linux" | "macos" | "windows" "version": "15", // Optional: Target Postgres version "useCase": "production" // Optional: "development" | "production" }

3. Fault Isolation (debug_database)

Troubleshoots frequently encountered PostgreSQL malfunctions: - Connectivity failures - Performance degradation sources - Transaction lock contention analysis - Replication synchronization status

typescript // Illustrative invocation { "connectionString": "postgresql://user:password@localhost:5432/dbname", "issue": "performance", // Requirement: "connection" | "performance" | "locks" | "replication" "logLevel": "debug" // Optional: "info" | "debug" | "trace" }

Necessary Prerequisites

• Runtime environment: Node.js version 18.0.0 or newer
• Target: A running PostgreSQL instance (for external interaction)
• Network pathway to the designated PostgreSQL endpoints

Acquisition Steps

Installation via Smithery Platform

For automated provisioning to the Claude Desktop environment using Smithery:

bash npx -y @smithery/cli install @nahmanmate/postgresql-mcp-server --client claude

Manual Setup

1. Clone the source repository

2. Install required packages: bash npm install

3. Compile the server assets: bash npm run build

4. Integrate into the MCP configuration file:

{ "mcpServers": { "postgresql-mcp": { "command": "node", "args": ["/path/to/postgresql-mcp-server/build/index.js"], "disabled": false, "alwaysAllow": [] } } }

Development Workflow

• npm run dev - Initiate development server with live code reloading
• npm run lint - Execute static code analysis via ESLint
• npm run test - Run unit and integration test suites

Security Posture

1. Connectivity Protection
2. Utilizes connection pooling mechanisms
3. Enforces mandatory connection termination timers
4. Validates input connection parameters

5. Supports encrypted SSL/TLS sessions

6. Query Integrity

7. Implements strict validation for all submitted SQL commands
8. Guards against potentially hazardous operations
9. Applies execution timeouts to queries

10. Logs a comprehensive record of all interactions

11. Authorization Handling

12. Integrates support for diverse credentialing methods
13. Enforces granular, role-based access protocols
14. Mandates adherence to complex password mandates
15. Manages secret connection data securely

Operational Best Practices

1. Always employ secure, credentialed connection strings.
2. Adhere to rigorous security standards for mission-critical deployments.
3. Systematically monitor and tune database performance profiles.
4. Ensure the underlying PostgreSQL version remains current.
5. Establish and routinely test robust data backup methodologies.
6. Leverage connection pooling for efficient resource allocation.
7. Implement thorough exception handling and detailed logging.
8. Conduct routine security assessments and patch application cycles.

Exception Management

The service incorporates extensive failure detection logic for: - Failures during connection establishment - Exceeded query execution limits - Authentication discrepancies - Authorization denial - System resource exhaustion

Evaluation Runner

The evaluation harness initializes an MCP client to execute code within index.ts, negating the need for recompilation between testing cycles. Complete documentation is accessible here.

bash OPENAI_API_KEY=your-key npx mcp-eval src/evals/evals.ts src/index.ts

Collaboration Guide

1. Create a fork of the project repository
2. Establish a dedicated feature branch
3. Commit your proposed modifications
4. Push the branch to the remote repository
5. Submit a formal Pull Request

Licensing

This software is distributed under the terms of the AGPLv3 License (see LICENSE file for full details).

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