"Simple HTTP server or client implementation" matching MCP servers:

A lightweight MCP server for client relationship management, enabling client tracking, notes, and search via natural language.

Enables writing and reading diary entries via MCP, with optional mood tags, using Supabase for storage and supporting streamable HTTP for public access.

This MCP server enables AI assistants to perform calculations, fetch live weather, manage in-memory notes, access system info and note resources, and use reusable code review and summarization prompts.

A lightweight MCP server that provides persistent knowledge graph storage for AI assistants, enabling memory across sessions through entity-relationship storage with JSON file persistence.

A beginner-friendly MCP server demonstrating core concepts with calculator operations and note management capabilities (create, read, list, and delete notes).

First HTTP-native MCP server for Obsidian that solves stdio transport bugs, enabling AI assistants to manage Obsidian notes without crashes.

A TypeScript-based MCP server that implements a simple note-taking system using low-level server components and streamable HTTP. It enables users to create, store, and summarize text notes through a set of tools, resources, and specialized prompts.

Enables managing local Markdown notes by creating, viewing, listing, and searching notes and their contents through MCP tools.

Enables Codex to search, create, and organize notes in Simple Sticky Notes 6.9 on Windows via MCP, with support for rich text formatting and safe write operations.

Exposes LLM Wiki desktop capabilities via Streamable HTTP transport for MCP clients, enabling project listing, file reading, search, and knowledge graph queries through a secure API.

A TypeScript template for building Model Context Protocol servers that implements basic note-taking CRUD operations with JSON responses.

Enables AI assistants to read, search, and traverse your reMarkable tablet's library, including handwritten notes via OCR.

Enables Claude Desktop to interact with KURA Notes API for semantic search, note creation, retrieval, and management. Supports natural language queries to search, create, retrieve, list, and delete notes with metadata like titles, tags, and annotations.

A self-hosted MCP server that exposes Nextcloud files, calendar, notes, and search as tools for Claude.ai, authenticating via Nextcloud OAuth.

Enables full-text search over personal notes, note and tag management, and live weather lookups through MCP tools, resources, and prompts, usable from clients like Claude Desktop or a custom agent loop.

Enables AI assistants to persistently add, read, and summarize sticky notes through MCP-compliant tools, resources, and prompts.

Enables full Obsidian vault operations including reading, writing, searching, deleting notes, managing tags and links, with support for both local and remote access via stdio or HTTP transports.

Enables AI assistants to read and write Memos notes through a Personal Access Token, with task-oriented search, precise editing, todo and tag management, attachment handling, exports, prompts, and resources. It supports both local stdio and multi-user Streamable HTTP transports, with safety switches such as read-only mode and restricted file access.

Integrates Simplenote with Claude Desktop, allowing AI assistants to read, create, update, search, and manage your Simplenote notes as a memory backend or content source.

Enables simple memo management with user registration, login, and session-based per-user memo operations (add, list, delete) via MCP.