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

MCP server that provides OpenRouter model pricing data, enabling price lookups, trending/cheapest lists, and model searches without an API key.

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 users to discover and research AI agents on nullpath's marketplace through MCP-compatible applications like Claude Desktop and Cursor. It provides tools for searching agents by capability, looking up agent details, and checking trust scores.

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.

Provides access to 21+ AI search parsers including Perplexity, ChatGPT, Claude, Gemini, Copilot, Grok, DeepSeek, and traditional search engines through the Redis API, enabling multi-source AI-powered search and information retrieval.

Connects AI agents to Airframe's product intelligence and expert network, enabling product search, comparison, expert discovery, and market research queries.

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

Enables AI assistants to interact with the SciX (formerly NASA ADS) API to search scientific literature, export citations, and analyze bibliometric data. It supports advanced tools for managing libraries, resolving astronomical object names, and exploring citation networks.

Consumer-side MCP server for Webless storefront operations, enabling catalog browsing, product search, and order lookup via tools.

A basic Model Context Protocol server that provides static information and facts about cats, dogs, and birds. It enables users to retrieve general animal data through Claude Desktop using either local stdio or HTTP transport.

A minimal MCP server with a sample search_news skill that demonstrates how Claude Code can automatically call a skill over the MCP protocol.

An MCP server that provides access to PubMed articles through the Entrez API.

An MCP server that provides access to arXiv papers through their API.

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

A cross-platform MCP server that provides weather forecasts by coordinates, location name, or IP address without requiring API keys. It leverages Open Meteo and OpenStreetMap to deliver fast, single-query weather lookups.

Provides AI assistants with persistent memory across sessions using local SQLite and keyword search, allowing storage and retrieval of user preferences, project context, and decisions.

A MCP server for academic literature retrieval, aggregating multiple data sources like arXiv, Crossref, OpenAlex, PubMed, and Semantic Scholar to provide search, details, citations, trends, and recommendations.

Personal memory MCP server backed by SQLite FTS5 BM25 search with temporal reranking.

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 Python MCP server for indexing projects using embeddings, providing semantic search to help AI agents navigate codebases.