"database" matching MCP servers:

A personal notes MCP server that allows AI assistants to create, search, edit, and manage notes stored in a local SQLite database.

A self-hosted MCP server that gives AI agents shared, long-term memory over a git-backed folder of markdown, enabling persistent knowledge search, read, and write without a database.

An MCP server for Notion API with optimized token efficiency and full database property filtering, enabling AI assistants to manage pages, databases, and blocks.

Exposes SQLite database query tools and markdown document resources over JSON-RPC 2.0 stdio transport, enabling AI assistants to read and search documents and execute read-only SQL queries.

Self-maintaining personal knowledge database — MCP server with figure-level search, auto-wikilinks, and Ebbinghaus-based memory compression

A hybrid MCP server that reads UpNote notes from the local SQLite database (returns actual text) and writes/opens notes via the upnote:// URL scheme, enabling search, retrieval, creation, and navigation of notes.

Enhanced Notion MCP server supporting all 24 property types, auto-pagination, block operations, and markdown conversion for database and page operations.

This is an MCP server that enables agents to record, search, and retrieve memos using LowDB as a lightweight local database.

Enables AI assistants to create, read, update, and manage SiYuan notes, supporting notebook management, document operations, block editing, database attribute views, search, file operations, and export.

Enables natural language interaction with Notion workspace, including search, page/database management, markdown conversion, and productivity shortcuts.

MCP server with 23 tools for full Notion integration, enabling database, page, block, user, search, comment, template, and duplication operations through natural language.

Enables AI tools to read and optionally write Simplenote notes via local database or API, supporting offline use on macOS.

Provides tools, resources, and prompts for managing a local Markdown notes database, including create, read, update, delete, search, and statistics operations, with robust path traversal protection.

Personal data management MCP server that stores and queries notes, tasks, conversations, and auth in SQLite, enabling LLMs to interact with the database through natural language.

A lightweight MCP sidecar exposing safe, read-only Anchor note tools to ChatGPT via a tunnel client in the same Docker stack. It currently supports listing, searching, reading notes, tags, and attachment metadata without exposing Anchor's private API or database.

Enables multi-project workspaces to share structured notes, API contracts, and handoff messages via a local SQLite database, with versioning and read tracking.

Provides persistent memory to AI agents through a wearable device, storing notes, sessions, and activities in a local SQLite database accessible via MCP.

Enables AI assistants to save and manage question-and-answer pairs within a structured Notion database. It provides tools for database setup, entry creation, and querying existing conversation history.

Notion-like workspace of pages and customizable databases with a remote MCP server (OAuth 2.1 + PKCE, scoped read/write tokens, full audit log). 14 tools to search, read, and write pages, database rows, and database schemas.

Lets MCP clients search, read, create, append, replace, move, and batch-update local Markdown notes safely, with conflict detection via SHA-256 and optional managed update blocks, without requiring a vector database.