"A system or program using SSE instead of STDIO" matching MCP servers:

Enables building and flying rockets in Kerbal Space Program 1.x via MCP, providing editor, flight control, and real-time telemetry tools without requiring visual input.

An MCP server adapter that allows LLM agents to autonomously play World of ClaudeCraft by wrapping the game's headless environment as MCP tools for state reading and action execution.

Enables AI-assisted clan analysis for Clash of Clans by reading official API data and applying customizable rubrics for war grading, promotion screening, and carry-forward decisions.

MCP server for the Clash of Clans API. Can get player, clan information, analyze ongoing wars, as well as war logs (provided they are public).

Enables a bot to inspect, query, create, edit, and script Roblox Studio instances in token-cheap batches, plus run Luau, playtests, screenshots, and inputs through Roblox's official Studio MCP connection. It runs locally over stdio or an authenticated local HTTP endpoint, returning small structured answers instead of dumping whole games into context.

Provides real-time access to League of Legends esports data including live matches, schedules, leagues, event details, and VODs through a standardized interface.

Enables AI agents to control a shared Conway's Game of Life world via MCP tools, with a live browser viewer and WebSocket updates.

MCP server exposing 30 tools for League of Legends player analysis, match review, and training-plan generation.

Enables AI assistants to control Discord servers with 93 tools for server management, moderation, voice TTS, AI chat via OpenRouter, and World of Warships stats lookup through the Model Context Protocol.

Enables AI-powered Path of Exile 2 character optimization through natural language queries, providing intelligent build recommendations, gear upgrades, and passive tree optimization using the official PoE API and comprehensive game database.

An MCP-based trivia game server where AI creates rounds with two true statements and one false 'twist' about various topics, letting players guess which statement is false.

Enables users to search, compare, and retrieve detailed information about World of Warships ships using the official Wargaming.net API. Supports filtering by nation, type, and tier with multi-language support and intelligent caching.

Enables AI assistants to interact with the Cocos Creator editor through the Model Context Protocol, providing 50 core tools for editor functionality.

A Stockfish-powered chess engine exposed as an MCP server using FastMCP. Calculates best moves, validates moves, and provides game status via MCP tools over SSE or stdio.

Enables dice rolling for RPG games using standard dice notation, supporting complex expressions like keep/drop, reroll, exploding dice, and batch rolls.

A Model Context Protocol (MCP) server providing accurate LSL (Linden Scripting Language) reference data to AI coding assistants, grounded in the official Second Life wiki with a curated database of AI-specific pitfalls.

Enables assistants to search and look up Riftbound TCG cards, list sets, and search or fetch public decklists (resolving stored card UUIDs into real card names) through the community card database's API, so questions about cards absent from model training data can be answered with real data.

MCP server for BizHawk, the multi-system emulator. Drive NES, SNES, GB/GBC/GBA, Genesis, N64, PSX, Saturn and more through one Lua bridge — memory r/w across named domains, joypad input, frame-advance, screenshot, save/load state.

MCP server for searching Kerbal Space Program mods from the CKAN index, with tools for mod search, recommendations, parts listing, and CKAN download cache integration.

Enables querying Dota 2 player statistics, match data, and hero information through the OpenDota API using natural language.