Databases

Model Context Protocol server for QuestDB

Chitta - permission-aware memory for AI agents: a knowledge-graph + vector memory MCP server + SDK with per-user access control. Runs on Bun. By 100xprompt.

A secure Model Context Protocol server for Microsoft SQL Server with readonly, DML, and full access modes

PostgreSQL-based RAG Memory MCP Server with Supabase - knowledge graph + semantic search

MCP server for knowledge base with Mastra.ai and pgvector

Model Context Protocol (MCP) server for PocketBase databases

MCP server that protects your AI context window via sandboxed execution and smart indexing

MCP server for GraphQL — schema introspection, auto-generated tools, query/mutation execution for Claude, Cursor, and AI agents

Self-hosted AI memory ledger. You and your agents share one memory store over MCP — one SQLite file, web UI, REST, works offline.

Read-only MCP server for PostgreSQL, MySQL, and SQLite — one server, one config, one set of tools across multiple databases.

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MCP server for database migration risk analysis — Flyway and Liquibase XML/YAML/SQL support with lock detection and conflict analysis

Persistent memory for AI coding assistants. Injects context from past sessions into every LLM request.

Neruva MCP -- proprietary memory + grounding substrate for AI assistants (Claude Desktop / Claude Code / any MCP client). Typed Records store, document knowledge graph with exact multi-hop traversal (ownership/relationship tracing), semantic + structural

MCP server for executing MS SQL Server queries via MCP protocol

A Model Context Protocol server for MySQL and MongoDB database operations. Fork of @enemyrr/mcp-mysql-server with added MongoDB support.

A Model Context Protocol (MCP) server for ATLAS, a Neo4j-powered task management system for LLM Agents - implementing a three-tier architecture (Projects, Tasks, Knowledge) to manage complex workflows.

Persistent memory for Claude Code via MCP. SQLite + optional semantic search. Zero native deps. Works on Windows/Mac/Linux.

CTRL_ — security audit MCP server for AI-generated Next.js, Vite and Express apps. Finds exposed keys, unsafe queries and open row-level security, then walks your coding agent through fixing them. Extra depth on Supabase.

MCP-backed SqlDriver — talks to any MCP server exposing a SQL query tool. Reduced capabilities (no transactions, no per-session role context) but works against any MCP-protocol DB server.