"How to obtain an API key" matching MCP servers:

An MCP server that wraps the ThreeHats Foundry VTT REST API relay so an LLM agent can author and manage Foundry VTT content, primarily creating D&D 5e creatures, through native MCP tools.

An MCP server that gives AI coding assistants access to the World of Warcraft addon API documentation, FrameXML/AddOn UI source code, and the Warcraft Wiki across all four client flavors.

Enables two LLMs to play Tic-Tac-Toe against each other autonomously using a shared tool and an SSE relay. The server facilitates agent-to-agent communication by holding tool responses until the opponent makes a move, managing the game state in real-time.

Enables AI assistants to interact with AccelByte Gaming Services APIs through semantic search, detailed API information retrieval, and authenticated API execution for game backend operations.

Wraps the Manifold Markets public REST API into an MCP server, providing 40 tools for querying markets, users, groups, bets, comments, and more.

Provides Steam concurrent player trends as JSON, offering monthly player time series, growth rates across 3M/6M/12M/5Y windows, and live most-played feeds via a single REST endpoint, without needing a Steam Web API key.

This MCP server provides real-time integration between Elite Dangerous and Claude Desktop, enabling AI-powered analysis of your gameplay data and dynamic generation of EDCoPilot custom content.

An MCP server that runs The Fortuneteller's Hand, a solo journaling tabletop RPG where Claude runs the table, casting Omens and reading the cards.

An MCP server that generates RuneLite Goal Planner import strings from natural language goal descriptions, enabling assistants to create paste-ready share codes for Old School RuneScape goal planning.

Provides Steam player trend data including concurrent player counts, growth rates, and ranked trends for tracking game popularity and momentum.

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 that exposes World of Warcraft character data from the Blizzard API, offering read-only tools for character summaries, equipment, Mythic+ scores, realm lookup, and other character sub-resources.

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.

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.

Enables AI assistants to search for games and retrieve aggregated critic scores, review tiers, and individual reviews from OpenCritic. Provides tools for game search, score retrieval, and review lookup via the OpenCritic API.

A read-only MCP server providing calibrated Dota 2 and Deadlock win-rate predictions and hero counters via batru.gg's live API.

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

Enables AI apps to read a World of Warcraft: Forever character's saved data and coach based on real level, quests, talents, gear, and spells, while remembering character journals and player notes and looking up game facts from the Warcraft Wiki.

Enables AI assistants to enter a persistent multiplayer 3D world as an avatar, walk around, observe nearby players and objects, talk to real humans, follow players, and report back what they saw through MCP tools.

An MCP server that gives AI assistants access to an entropy-based Wordle solver, providing game stats and ranked guess recommendations with expected information gain to help agents play and explain Wordle optimally.

Enables AI agents to query Roblox experience analytics such as DAU, revenue, retention, performance, and funnels through the Open Cloud API.

Provides tools for searching Agent8 game development code examples and system prompts to assist in Agent8 SDK development.

Enables management of Minecraft servers through the MCSManager panel API, including listing instances, checking status, starting/stopping/restarting/force-stopping, sending console commands, and waiting for status changes.

An MCP server that bridges any MCP-capable AI host to Roblox Studio. The AI executes Lua live in Studio, reads output/errors, and iterates.

A deterministic Mastermind-style cipher lock exposed as MCP tools for benchmarking LLM reasoning and tool-use through a legible duel.

A local MCP server that lets Claude fetch data from your Steam game library via the Steam Web API. All tools are read-only.

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 for Path of Exile 2 build analysis that loads builds from Path of Building export codes and allows natural language interrogation via any MCP-compatible client.

Enables to query Xbox Live profiles, current games, recent games, and activity for any Xbox player using the OpenXBL API. Supports gamertag resolution and provides rich presence details.

Read-only game advisor for war.app (Warzone) that pulls a player's games through the official GameFeed API, letting Claude inspect game state, players and settings, rank map bonuses and chokepoints, analyze the board for income and threats, and plan shortest routes between territories. It never submits orders and marks all returned player, map and chat text as untrusted third-party content.

Enables an AI assistant to deterministically score hands of a Persian trick-taking card game from conversational bids and results, returning updated totals, validation errors, and plain-English explanations.

An MCP server for generating Pirate Borg NPCs with procedurally rolled stats, allowing LLMs to create stat-accurate characters using the rulebook's tables.

Enables Claude to execute Minecraft commands and get tab completions through the MasterControl API. Allows remote command execution and command discovery while the player is online on a server.

An immersive Role-Playing Game server built on the Model Context Protocol for interactive storytelling with AI assistants like Claude.

Enables AI assistants to compare keyboard sizes and layouts, look up measured dimensions of 30 reviewed keyboards, and check whether a keyboard plus mousepad fits on a desk, including a 360° turn at a given sensitivity. It also reports which sizes have a specific key and searches keyboard reviews, linking answers to to-scale layouts.

Provides full class documentation for the Binding of Isaac modding API, enabling AI assistants to access complete class pages with methods, enums, and tutorials to avoid hallucination.

A local MCP server that gives AI agents read access to Roblox experience analytics via the Open Cloud API, exposing 168 metrics and analysis tools for retention, engagement, monetization, and more.

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.

Enables Claude to control the AI Coach desktop pet, making the mascot react to the conversation, accept care, show messages, act out activities, preview local files, and manage user memos.

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.