Best PostgreSQL MCP Servers
PostgreSQL is an advanced open source relational database management system that offers robustness, scalability, and performance.
Why this server?
Implements the PostgreSQL Wire protocol, enabling remote connections and queries via standard Postgres drivers.
AsecurityAlicenseAqualityArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.Last updated10804Apache 2.0Why this server?
Supports PostgreSQL as the primary database backend for both knowledge modules and memory storage, with pgvector extension support.
AsecurityAlicenseAqualityCognitive memory engine for AI agents with 5,100+ knowledge modules, circadian rhythm awareness, emotional state tracking (PAD model), and hybrid semantic search. Supports persistent per-user memory, project-scoped contexts, and multi-protocol access.Last updated664Apache 2.0Why this server?
Powers the Smriti memory layer to provide persistent tiered storage for short-term, episodic, and long-term semantic context.
AsecurityAlicenseAqualityMultilingual intelligence + memory + safety + voice layer for autonomous AI agentsLast updated211MITWhy this server?
Enables direct interaction with Heroku PostgreSQL databases, including executing SQL queries, viewing database information, managing active queries, identifying resource-intensive operations, handling credentials, managing backups, and performing database upgrades.

Heroku MCP serverofficial
AsecurityAlicense-qualityLet's your agent access the heroku platformLast updated334,71975Apache 2.0Why this server?
Provides tools to import database schemas from PostgreSQL and convert them into OWL ontologies for knowledge graph generation.
AsecurityAlicenseBqualityAI-native ontology engineering MCP server for OWL/RDF/SPARQL. Validate, query, diff, lint, version, and govern knowledge graphs via Oxigraph triple store.Last updated4264MITWhy this server?
Enables integration with PostgreSQL databases for storing and querying Bitcoin Stamps metadata and collection statistics.
AsecurityAlicense-qualityA Model Context Protocol server that enables interaction with Bitcoin Stamps data via the Stampchain API, providing tools for querying stamp information, collections, and blockchain data without requiring authentication.Last updated13MITWhy this server?
Facilitates schema inspection and executing guarded queries on PostgreSQL databases.
AsecurityAlicenseBqualityA universal MCP aggregator toolkit that connects AI agents to multiple MCP servers through a single unified configuration. Features ready-made templates, cross-repo prompt workflows, and an npm package for zero-config installation.Last updated32MITWhy this server?
Provides architecture-aware visual styling for PostgreSQL database components within Excalidraw diagrams.
AsecurityAlicense-qualityAn MCP server that generates beautiful Excalidraw architecture diagrams with perfect auto-layout, stateful editing, and architecture-aware component styling.Last updated1488MITWhy this server?
Utilizes PostgreSQL with the pgvector extension as the primary storage backend to provide persistent memory storage, full-text search, and vector-based semantic retrieval.