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

Provides a generic HTTP client tool allowing AI agents to make arbitrary HTTP requests from their environment, with support for environment-variable placeholders for secrets.

A read-only Reddit MCP server that fetches threads, comments, and subreddits from the Arctic Shift archive over HTTP, requiring no Reddit account or API key.

Enables client success teams to get instant, natural-language health reads on client accounts with tools for overall health, low-performing courses, and launcher-only clients.

A minimal MCP server that exposes a single tool to query local hardware information (OS, CPU, memory, architecture).

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.

MCP server for Wiki.js that exposes 29 tools for managing pages, comments, tags, assets, users, navigation, and more via HTTP/SSE with built-in mutation safety.

Enables interaction with Jenkins servers through HTTP APIs, allowing users to list jobs, trigger builds, view logs, and manage configurations without requiring plugins or admin access.

Enables AI assistants to query and read data on DICOM servers (PACS, VNA, etc.).

A Model Context Protocol (MCP) server for accessing Productive.io API endpoints (projects, tasks, comments, todos), tailored for read-only operations, providing streamlined access to essential data while minimizing token consumption

A Model Context Protocol (MCP) server for accessing Fathom AI API endpoints (meetings, recordings, transcripts, summaries, teams, team members) via GET operations.

Integrates Attio CRM with AI clients to manage companies, people, and notes through 14 specialized tools. It supports dynamic schema discovery, enabling users to search, create, and update records within their Attio workspace.

MCP server for Blender that connects to the official Blender Lab add-on, exposing 27 tools for scene manipulation, object editing, materials, rendering, and Python execution through the add-on's actual wire protocol.

Small diagnostic MCP server for checking what MCP clients actually support, including tools, resources, prompts, and transport behavior.

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.

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.

Provides a minimal Model Context Protocol server that demonstrates a basic tool, a static resource, and a prompt template, enabling clients to discover and exercise core MCP capabilities over stdio.

A small Python MCP server for querying PostgreSQL and MySQL databases with read-only safety, featuring schema inspection, table description, and query execution tools.

Enables users to manage email accounts via IMAP/SMTP, including reading, searching, sending emails with attachments and calendar invites, all through natural language interactions with MCP-compatible clients.

Enables AI tools to query context from a local JSON data source via stdio, demonstrating the Model Context Protocol.

Enables live preview of Storybook components inside the IDE as the AI edits them, using MCP Apps integration.