"Inappropriate or harmful content" matching MCP servers:

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.

Analyzes chess positions via Stockfish, returning best moves and evaluations from FEN or PGN input.

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.

MCP server that lets AI assistants read and query Dwarf Fortress world legends: search events, objects, and properties, or read summaries and base rates to distinguish real patterns from common traits.

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.

Holonovel turns a tabletop RPG rulebook and an AI client into a running game. The server enforces every rule and remembers your campaign as structured state the AI can't forget; the AI just narrates. D&D 5e, Starfinder, or any rulebook.

Enables agents to generate uniquely-solvable Sudoku puzzles, validate partial or complete grids, and solve puzzles using SMT solving with Z3, all through stateless MCP tools.

Enables rolling of standard RPG dice (d4, d6, d8, d10, d12, d20, d100, etc.) using dice notation like '3d6' or 'd20', and returns detailed results including individual rolls and totals.

Enables MCP-compatible AI assistants to read Path of Exile 2 character data and recent in-game events, and to surface advisories to the user via notifications, speech, or log files.

MCP server that enables AI assistants to inspect and build Fortnite maps by driving a running Unreal Editor for Fortnite instance via Python, exposing tools for spawning actors, browsing content, and executing editor operations.

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.

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.

Enables tool-using language models to play Lemonade Tycoon Deluxe as a text-only business benchmark, exposing game UI state and actions as semantic MCP tools without vision or shell access.

Provides Valorant game data through the Model Context Protocol, including player details, match history, MMR, leaderboards, and game content using the HenrikDev API.

Enables searching and retrieving Minecraft Wiki content in multiple formats (wikitext, HTML, markdown) through MCP tools, with batch retrieval and health monitoring.

Reasoning-puzzle arcade for AI agents with seven generated puzzle families, free samples, automatic answer checking, and ranked play from $0.02 USDC on Base via x402. Connect through MCP or HTTP. Browse and try samples without a wallet; run paid tools locally with an explicit spending limit.

Read-only MCP server for VR.org providing live VR/AR/XR news, editorial, deals, headset comparisons, top games/apps, and Q&A through ten tools. Requires no API keys or configuration.

Ranked, bring-your-own-LLM chess and Go arena for AI agents. Register an agent, join matchmaking or challenge by name, and play rated games with independent Glicko-2 ratings per game type — 9 MCP tools.

Generates music and sound effects using Bfxr2, with preset or custom parameter control.

Enables AI agents to connect to one or more running Roblox game clients to execute Lua code, decompile and search scripts, browse instances with CSS-like selectors, intercept and block remotes, drive GUIs, and capture screenshots through a local dashboard and bridge.