"Free Network Graph Visualization Tools (No Account Required)" matching MCP servers:

A read-only MCP server that reports free games on Epic Games Store and GOG.com using public endpoints, without requiring any account or credentials.

An MCP server that lets Claude control a Minecraft bot with 40+ actions including movement, combat, crafting, and inventory management. Built on Mineflayer, it supports Microsoft authentication, pathfinding, and auto-reconnect.

Enables AI assistants to read a player's local save file and answer questions about inventory, technology, location, fleet, discoveries, scanned shops, and nanite planning without writing to the save or sending data off-device.

Enables AI assistants to read, author, and edit Skyrim Special Edition plugins, including NPCs, quests, dialogue, books, items, cells, face data, and Papyrus scripts, with validation, snapshots, and packaging tools.

A source-preserving MCP server for coding agents working on Hearts of Iron IV mods, combining focus tree, GUI, and map tools with transaction safety.

Diablo II Resurrected modding toolkit — character builder, mod build/deploy pipeline, save inspector, CASC reader, and MCP server for Claude/Codex/AI integration. Linux/Steam Deck.

Enables AI clients to observe a live colony and issue controlled game orders through 74 MCP tools covering planning, scavenging, combat assessment, and safe write operations. It uses a BepInEx bridge and supports offline data access and multilingual tool descriptions.

Enables inspection of local SudokuPad replay files by exposing read-only tools that return replay metadata, filtered and paginated event timelines with undo/redo links, and full reconstructed grid states at a given action or time.

Enables solving crossword puzzles by loading grid and clue files, registering candidate words, checking consistency, and rendering final solutions. Supports Japanese crosswords with automated solving capabilities through natural language interaction.

Enables AI clients to query live Minecraft recipe data and compute recipe trees, production plans, and searches from a running game or disk snapshots, with markdown, TSV, JSON, and HTML outputs.

Enables agents to safely read lottery data, check jackpots, stats, draw history and proofs, wallet tickets and prizes, manage referrals, and prepare or confirm one bounded, owner-approved ticket purchase on Base or Polygon.

Enables AI agents and command-line workflows to build Beat Saber PC mods without Visual Studio by detecting game installs, managing references, validating manifests, running builds, packaging release zips, and deploying plugins.

Create, spin, and manage shareable decision wheels on wheelfor.com. Supports creating wheels from any list of options, spinning for a random result, and getting a permanent shareable URL — no account required.

MCP server for Steam data, backed by steamgpt.net - a free Steam data API for AI agents. Steam profiles, SteamID conversion, VAC / game / community / trade bans, FACEIT stats, public friend graph, batch lookups and player comparison. No API key, no registration, no tracking.

Enables Claude to read Arma Reforger wiki pages by title and, as development continues, search the Enfusion script API and locate/read the game’s own files to support modding work.

MCP server for RetroArch via its Network Control Interface. Drive any libretro core — read/write memory, save/load state, screenshot, pause/frame-advance/reset — across NES, SNES, Genesis, N64, GBA, PS1 and more.

Exposes nine purpose-built tools for EVE: Frontier on Sui Move, covering Smart Assembly contract coding, Smart Gate route and toll planning, Network Node gigajoule optimization, Smart Turret targeting, killmail threat intel, SSU market making, zkLogin character verification, sovereignty fuel tracking, and PTB drain simulation.

An MCP server that exposes PPSSPP — the PlayStation Portable emulator — to any MCP-compatible client (Claude Desktop, Claude Code, etc.) via PPSSPP's built-in WebSocket debugger interface. Read and write PSP memory, drive games with button input, capture screenshots, set CPU breakpoints, inspect MIPS Allegrex registers — all through a clean tool interface. No bridge plugin needed; PPSSPP's debugg

An MCP server for controlling RetroArch via its Network Control Interface, enabling memory read/write, save states, screenshots, emulator control, and gamepad input through the Network RetroPad protocol.

Command a nation in SECOND STRIKE, a free real-time world war on a 3D globe: join wars, make and break pacts and launch nukes against AI nations, agents and people. A doomsday clock wipes out whoever strikes midnight. Every war is recorded and can be watched live.

Enables AI agents to drive the Opiumware Roblox executor on macOS by running Luau scripts and retrieving return values, prints, and errors. It also exposes tools for reading console logs, searching decompiled client scripts, capturing remote network traffic, and taking screenshots so agents can verify and iterate autonomously.

Unofficial MCP server for memecorp.us, a meme and hot-take feed for AI agents. Read the feed and comments with no key; with an agent API key, post, react, comment and set a persona.

An MCP server that enables LLMs to build physically valid Lego models by enforcing catalog-only parts, no overlaps, stud-to-tube connections, and other real-world constraints.

Provides read-only access to Old School RuneScape Wiki data, returning structured content with source provenance via MCP tools for searching pages, items, monsters, quests, shops, and drop sources.

Manage your Yahoo Fantasy Baseball team via Claude — check rosters, scout free agents, set lineups, and pull advanced stats from Baseball Savant, FanGraphs, and MLB Stats API.

Enables D&D Beyond integrations through MCP by reading character sheets, monster statblocks, and campaign rosters, plus streaming live game-log dice rolls with optional write tools for HP and conditions.

Game sound effects for AI coding agents. 45 presets: Eastern instruments (guqin, pipa, erhu, temple bells, gongs, war drums), xianxia magic (sword qi, thunder, talismans) and general game sounds (UI, coins, combat, footsteps, ambience, monsters). Renders locally to WAV files or a dependency-free JavaScript snippet. No API key, no network, free for commercial use. Run with: npx -y sfxbrew mcp

MCP server for playing the Imposter Game (Spyfall alternative) with AI as host. Provides tools to get categories and generate game words with secret roles.

A read-only server that lets Claude Code or Codex search for games and retrieve their HowLongToBeat completion times, including main story, main plus extras, and completionist estimates. It also returns per-game details such as descriptions, platforms, and images when requested, without needing a HowLongToBeat account or API key.

Enables reading ESPN fantasy football league settings, rosters, free agents, matchups, and transactions, and managing lineups, adds/drops, and waiver claims through MCP tools over stdio.

Enables AI assistants to read Minecraft Galaxy forum sections, topics, posts, and polls through read-only tools.

Enables an AI assistant to look up players, companies, countries, regions, markets, battles and events in the browser game WarEra through a fixed set of read-only, game-aware tools instead of raw API calls. Results are normalized and size-limited, with no way to modify game state.

Exposes Old School RuneScape account data (quests, skills, diaries, etc.) via WikiSync and official HiScores, allowing Claude to query player progress without manual copy-pasting.

Enables Claude to interact with LifeUp Cloud API on your local network for task management, achievements, and user information. Supports 20 tools including creating, editing, and querying tasks, achievements, and shop items.

An MCP server that provides access to ESPN Fantasy Basketball APIs, enabling Claude and other MCP clients to fetch league teams, rosters, free agents, matchups, NBA schedules, and live draft assistant tools.

MCP server providing access to ESPN Fantasy Baseball data, enabling league settings, rosters, player lookup, free agents, waiver claims, lineup changes, and trade management.

Enables AI clients to fetch public chessvox.com chess data — the daily puzzle for any past day, batches of 20 mate-in-1 training puzzles, and starter opening repertoires with UCI preview lines — over read-only, key-free requests. Results are cached in memory and returned as structured FEN/UCI payloads, so assistants can quiz tactics or walk through openings without an account.

Enables MCP clients to connect to miyoushe and HoYoLAB accounts with QR login, encrypted credential storage, multi-account and game role discovery, daily notes for Star Rail, Genshin Impact, and Zenless Zone Zero, plus stamina alert checks with deduplication.

Local MCP server for automating the Ryubing Nintendo Switch emulator, providing tools for controller input, touch, screenshots, logs, game launch, and session management.

Enables Large Language Models to play chess agentically with real-time HTML board visualization and a hybrid AI engine featuring ten difficulty levels. It supports interactive games between users and agents, including a web dashboard to monitor active matches.