"How to modify local files" matching MCP servers:

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.

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.

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 Claude to read Crusader Kings III save files and retrieve strategic game information such as realm overview, military, succession, diplomacy, vassals, factions, and expansion options.

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

MCP server for generating retro game sound effects using Bfxr synthesis. It provides tools to create, mutate, and load sound parameters, with output saved as WAV files and optional permalinks.

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.

Enables AI assistants to safely manage Pterodactyl game servers, covering status, console, files, backups, and power operations with built-in guardrails.

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.

A search-first MCP server that queries multiple public asset sources and optional local libraries for game development, unifying results with Chinese keyword expansion, license normalization, and cursor pagination.

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.

A local MCP server that lets AI agents manage Roblox developer products and game passes through the Open Cloud API.

Enables AI agents to search, read, and publish Minecraft mods on Modrinth, including creating projects and uploading jar files as new versions.

Enables offline, millisecond querying of a locally built SQLite snapshot of TibiaWiki, letting an agent resolve approximate page names, filter creatures and items by stats and damage modifiers, and find how any item is obtained via drops, vendors, or quest rewards. Every response reports when the index was generated, and no network calls are made.

A TypeScript MCP server that lets AI assistants interact with the Godot 4.x game engine: not just editing files, but playing the game.

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.

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.

Enables AI agents to edit Quake-format .map files and see their changes appear live in TrenchBroom, with tools for reading, editing, previewing, compiling, and launching maps.

Exposes the Nexus Mods API to AI agents so they can search and inspect mods, browse authors' catalogues, and upload or publish mod files from a local archive in a few aggregated tool calls. It handles authentication, caching, reporting quotas, and the multi-step v3 upload flow, while gating write and publish operations behind opt-in permissions.