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20 Best PostgreSQL MCP Servers: compared and ranked, October 2026Ranked from 1,324 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables you to chat with your PostgreSQL database via natural language, with GitHub OAuth authentication and role-based access control for secure read/write operations.
    MIT
  • F
    license
    Not graded
    quality
    D
    maintenance
    Provides authenticated access to PostgreSQL databases for Claude AI, enabling users to browse database tables, discover schemas, and execute custom SQL queries through natural language interaction.
    -
  • A
    license
    A
    quality
    C
    maintenance
    Read-only MCP server that lets AI agents safely query SQLite, PostgreSQL, and MySQL/MariaDB. Enforces read-only transactions with column masking, row caps, query timeouts, EXPLAIN-based cost rejection, and rate limiting.
    7
    27 npm
    2
    MIT
  • F
    license
    A
    quality
    A
    maintenance
    Natural language to SQL engine with multi-connector support (PostgreSQL, MySQL, Snowflake, BigQuery, DuckDB), document QA, semantic caching, and self-hosted MCP server.
    9
    31 PyPI
    4
    -
  • A
    license
    A
    quality
    B
    maintenance
    Enables ingestion and semantic search over text documents using PostgreSQL + pgvector and OpenAI-compatible embeddings, allowing any LLM agent to retrieve relevant chunks for grounded answers.
    4
    AGPL 3.0
  • F
    license
    A
    quality
    C
    maintenance
    A read-only MCP server for SQL Server and PostgreSQL that enables exploring and querying databases (schemas, tables, views, procedures, indexes, foreign keys) and running arbitrary SELECT queries.
    37
    -
  • A
    license
    D
    quality
    D
    maintenance
    Enables interaction with Aiven cloud services including PostgreSQL, Kafka, ClickHouse, Valkey, and OpenSearch. Allows LLMs to list projects, services, and retrieve service details to build full-stack solutions across the Aiven ecosystem.
    3
    Apache 2.0
  • A
    license
    Not graded
    quality
    F
    maintenance
    Provides LLM access to Exasol database via MCP tools, including metadata reading and data queries, with an optional on-premise text-to-SQL (Governed SQL) translation.
    4
    MIT
  • A
    license
    Not graded
    quality
    F
    maintenance
    Open-source agentic schema layer. Define metrics once in YAML, query governed data from any warehouse (Snowflake, BigQuery, Databricks, PostgreSQL, DuckDB) via MCP.
    28
    Apache 2.0
  • A
    license
    Not graded
    quality
    C
    maintenance
    Long-term memory for Claude Code, Cursor, and MCP clients with zero-config embedded PostgreSQL. Stores and retrieves facts, preferences, and decisions using 4-channel semantic, BM25, entity, and temporal search with cross-encoder reranking.
    1
    Apache 2.0
  • A
    license
    Not graded
    quality
    B
    maintenance
    Enables AI agents to securely query PostgreSQL with pgvector, DynamoDB, and MongoDB Atlas with Vector Search through a read-only, allowlisted MCP interface.
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables SQL queries against PostgreSQL databases through MCP-compatible clients and includes a natural language agent for forming SQL queries from natural language.
    233
    PostgreSQL
  • A
    license
    Not graded
    quality
    D
    maintenance
    This read-only MCP Server allows you to connect to PostgreSQL data from Claude Desktop through CData JDBC Drivers. For full CRUD support, check out the first managed MCP platform: CData Connect AI (https://www.cdata.com/ai/).
    1
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables semantic search across PostgreSQL, TimescaleDB, and PostGIS documentation to help AI coding assistants write better PostgreSQL code.
    68 npm
    1,860
    Apache 2.0
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables turning any collection of documentation into a private, semantically searchable MCP endpoint, with one URL per project and self-hosted in a single Docker container.
    AGPL 3.0