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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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  • F
    license
    Not graded
    quality
    D
    maintenance
    A secure MCP server that enables querying PostgreSQL databases through an SSH tunnel with enforced read-only access, connection pooling, and comprehensive data exploration tools.
    -
  • 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
  • F
    license
    A
    quality
    B
    maintenance
    An MCP server that enables AI agents to securely interact with PostgreSQL databases with least-privilege scopes, PII masking, and human approval for writes.
    4
    -
  • A
    license
    A
    quality
    A
    maintenance
    A drop-in Model Context Protocol (MCP) server that lets an AI agent query PostgreSQL — read-only, enforced at the database level, with real SQL validation, timeouts, cost limits, OAuth 2.1, and an audit trail.
    10
    1
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Enables read-only PostgreSQL interaction through safe query execution, query planning, table and column inspection, and privilege checks, with multi-layer defenses against write operations and transaction-control exploits.
    5
    MIT
  • F
    license
    A
    quality
    C
    maintenance
    Audits PostgreSQL/Supabase schemas for security issues like missing RLS, permissive policies, and sensitive data exposure during AI conversations.
    3
    -
  • A
    license
    A
    quality
    B
    maintenance
    MCP server for secure read-only PostgreSQL queries with automatic PII masking, pseudonymization, and strict SQL guards to enforce data privacy compliance.
    3
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Query CVEs, yanked releases, known exploits, and upgrade paths for any PostgreSQL version directly from your AI assistant.
    8
    Apache 2.0
  • A
    license
    A
    quality
    B
    maintenance
    A multi-database MCP server with OAuth 2.0 authentication and granular access control, enabling secure connections to multiple database types (SQLite, MySQL, PostgreSQL, MongoDB, Redis) with configurable read/write permissions and tool filtering.
    3
    83
    11
    MIT
  • A
    license
    B
    quality
    A
    maintenance
    AI-powered bug bounty hunting platform that integrates security tools (OWASP ZAP, Caido, Burp Suite) for automated reconnaissance, vulnerability testing, JavaScript analysis, and finding management with PostgreSQL storage.
    47
    41
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    Provides governed, read-only PostgreSQL access for AI agents via MCP. Enforces schema/table allowlists, query limits, and audit events.
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    A governed SQL gateway for untrusted AI agents, providing controlled access to PostgreSQL, MySQL, and OceanBase with RBAC, field ACLs, row policies, and cost controls.
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Provides persistent memory, cryptographic audit trail, and HMAC-verified skill admission for Claude Code, running locally on PostgreSQL with zero cloud sync.
    8
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Provides fail-closed, read-only PostgreSQL and MongoDB access for AI agents via MCP, enabling structured data inspection and bounded queries without mutation capabilities.
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    Provides read-only access to PostgreSQL databases via MCP, enforcing least-privilege roles, row-level security, masked views, and SQL AST guardrails to prevent data leakage and unauthorized operations, enabling AI agents to safely query sensitive production data.
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables SQL query sanitization by rewriting queries at the AST level to prevent PII/PHI exposure, acting as a proxy between AI agents and PostgreSQL databases.
    MIT