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20 Best PostgreSQL MCP Servers: compared and ranked, September 2026Ranked from 1,237 matching servers on stars, growth, downloads and maintenance. Updated .

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  • F
    license
    A
    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.
    4
    -
  • A
    license
    Not graded
    quality
    B
    maintenance
    Enables AI clients to safely query PostgreSQL or SQLite databases read-only through AST-validated guardrails, schema introspection, and statistical table profiling. It returns results as Markdown tables, JSON audit reports, and database health checks.
    MIT
  • F
    license
    Not graded
    quality
    B
    maintenance
    Enables LLM agents to access Global Database's company intelligence, including company profiles, financials, ownership, people search, prospecting, and KYB/compliance lookups against official registries.
    -
  • A
    license
    Not graded
    quality
    A
    maintenance
    Turn Claude into an ISO 27001 compliance assistant - controls, risk register, policies, evidence tracking, SoA generation, and full audit workflows in one local encrypted MCP server.
    75 npm
    31
    MIT
  • 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
    Not graded
    quality
    D
    maintenance
    Provides secure MySQL database access using credentials stored in 1Password, enabling AI assistants to query MySQL databases without exposing passwords.
    MIT
  • F
    license
    Not graded
    quality
    D
    maintenance
    Enables secure interaction with MySQL databases, allowing AI assistants to list tables, read data, and execute SQL queries through a controlled interface.
    -
  • A
    license
    A
    quality
    F
    maintenance
    Provides AI assistants with specialized tools to interact with NIST's Open Security Controls Assessment Language (OSCAL) framework. It enables agents to retrieve schemas, explore models, and generate valid OSCAL documentation for security compliance automation.
    40
    53
    Apache 2.0
  • A
    license
    Not graded
    quality
    D
    maintenance
    A wrapper for mcp-remote that provides secure authentication for protected MCP servers using Adobe IMS or Okta OAuth flows. It features automated token management, validation, and background refreshing for seamless access to remote resources.
    17 npm
    2
    MIT
  • A
    license
    C
    quality
    D
    maintenance
    Implements a secure MCP server with API Key and JWT authentication, providing tools like echo, login, secure_action, and admin_action. Includes MCP Inspector integration for testing and debugging.
    1
    3
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    A client-side MCP proxy that injects OAuth 2.0 bearer tokens or API keys into MCP requests, enabling MCP clients to connect to OAuth/API-key-protected MCP servers like Amazon Bedrock AgentCore Gateway. It automatically fetches and refreshes credentials using AgentCore Identity or static values.
    MIT No Attribution