Databases

MCP server for read-only PostgreSQL database access

Queen Claude MCP server - streamlined with 14 essential tools for Next.js development

Your Obsidian vault as private, searchable memory for Claude, Cursor, Hermes and any MCP client

11 tools for managing Grist documents with AI

Persistent memory infrastructure for AI agents. Identity, knowledge graph, and search.

n8n community node for ClickHouse — full CRUD, schema management, polling triggers, and AI agent tool support for ClickHouse and ClickHouse Cloud

MCP server that gives coding agents persistent project understanding via a knowledge graph

Agent-agnostic memory backend that preserves continuity between humans and AI over time.

Connects coding agents to a running QuestDB Web Console: notebook cells, SQL queries, and charts.

The largest Claude Code plugin marketplace. 500 plugins, 600+ developer tools in one MCP server. Security, testing, DevOps, CI/CD, databases, frontend, backend, API design, ML/AI, mobile, cloud, serverless, authentication, monitoring, and more.

Spec-driven dev workflow MCP: start_* orchestration, memory, GitNexus, quality gates.

100% In-Process Bare-Metal Hybrid Memory Engine & MCP Server for LLMs (SQLite + Int8 Vectors).

Index source code into a local knowledge base, search with keyword + semantic + hybrid modes.

MCP server for interacting with PostgreSQL databases

Let AI read your PostgreSQL database - without letting it write to it. A read-only PostgreSQL MCP server.

DevMind MCP - AI Assistant Memory System - Pure MCP Tool

Security scanner MCP server for AI coding agents. Prompt injection firewall, package hallucination detection (4.3M+ packages), 1700+ vulnerability rules with AST & taint analysis, LLM-powered semantic code review, auto-fix. For Claude Code, Cursor, Windsu

MCP 数据库万能连接器 - 让 Claude Desktop 直接连接你的数据库

The runtime your agent deploys to — DB, storage, and a public URL in one MCP call.

Postgres-backed MCP server for the Unified Product Graph, self-hostable, open source