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20 Best PostgreSQL MCP Servers: compared and ranked, September 2026Ranked from 1,109 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    A
    quality
    A
    maintenance
    Governance framework for LLM agents. Exposes seven mechanically-enforced rules plus tools for preflight file protection, audit-chain verification, session handoff and worklog templates, MCP config auditing, and an emergency kill switch.
    12
    118
    4
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    A comprehensive system that helps organizations track, manage, and respond to security vulnerabilities effectively through features like vulnerability tracking, user management, support tickets, API key management, and SSL certificate management.
    MIT
  • F
    license
    Not graded
    quality
    B
    maintenance
    A small MCP server that lets an LLM query PostgreSQL, MySQL, MariaDB, SQL Server, or SQLite databases safely — read-only, role-restricted, and with sensitive data blacked out.
  • F
    license
    Not graded
    quality
    C
    maintenance
    MCP server that enforces role-based access control for order management, allowing users to view, refund, or delete orders based on their role (USER, MANAGER, ADMIN) with a JWT-authenticated FastAPI frontend.
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables chatting with PostgreSQL databases through secure GitHub OAuth authentication, supporting read operations for all users and write operations for privileged users. Deployable as a production-ready remote MCP server on Cloudflare Workers with automatic schema discovery and SQL injection protection.
    1
    MIT
  • A
    license
    A
    quality
    F
    maintenance
    Provides secure OAuth2-based credential management for MCP servers, allowing agents to obtain short-lived token references without exposing raw secrets.
    7
    22
    MIT
  • A
    license
    C
    quality
    A
    maintenance
    Cryptographic identity and trust protocol for AI agents. 38 MCP tools across 8 protocol layers: Ed25519 identity, delegation chains, values compliance, signed communication, policy engine, task coordination, cross-layer integration, and agentic commerce. 264 tests passing.
    152
    250
    3
    Apache 2.0
  • A
    license
    Not graded
    quality
    C
    maintenance
    Connect AI agents like Claude, Cursor, and Gemini to historical Windows performance and privacy data gathered by the AppControl Windows app. This server enables natural language queries into CPU, GPU, and temperature history alongside system security events for deep local auditing.
    38
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables deployment of an MCP server on Cloudflare Workers with OAuth login, allowing remote invocation of tools like math operations from MCP clients.
    215
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    A hardened MCP server that enforces authentication via Easy Auth and OAuth, manages secrets with Key Vault, and restricts network access using VNet integration and API Management, enabling secure tool invocations through a fully private infrastructure.
    1
    MIT
  • A
    license
    Not graded
    quality
    Not graded
    maintenance
    A production-grade MCP server that enables AI assistants to securely manage healthcare data through clinical tools for patient vitals, lab results, and medication ordering. It prioritizes security and compliance with features like HIPAA-ready audit logging, PII redaction, and role-based access control.