"Search for free open-source software" matching MCP servers:

Enables a local, read-only search over user-provided tabletop campaign source cards and module directories, routing queries to ranked hits across Markdown, JSON, and YAML text files while excluding core rulebook and SRD content by default. Returns file-and-line pointers with small context windows, plus explicit private-source opt-in, so a game master can locate and open the exact passage in their own library.

Closes the find-download-install loop for lutris-mcp by searching Prowlarr, downloading via qBittorrent, polling until complete, classifying the result, and returning a path for installation.

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.

Enables MCP-compatible AI clients to inspect Godot project and editor state, observe opted-in running scenes, manage processes, and apply permission-scoped guarded edits. It starts read-only and exposes additional capabilities only through explicit command-line flags.

Enables AI assistants to load Football Manager save files and search, compare, and project players through natural-language scouting queries against local save data.

Enables exploration and decompilation of Minecraft source code, allowing users to list versions, search classes, and decompile .class files on-the-fly.

Enables AI assistants to manage TapTap minigames and H5 games, including leaderboards, sharing, multiplayer, cloud saves, and game DC data query, with zero-config OAuth 2.0 authentication.

MCP server that provides tools to search Steam games by keyword, retrieve game details (price, release date, genres), and fetch player reviews with recent ratings.

Enables AI assistants to build and manage Unity projects directly through the Unity Editor, providing 150+ tools for scene creation, script generation, play mode control, input simulation, and performance analysis.

Connect to your TTRPG campaign's repository and database. Instead of retrieving prose, its 48 tools (20 read, 28 write) return typed state: 14 entity schemas (NPCs, factions, locations, sessions, lore), relationship and knowledge-graph queries, wiki blocks, and a narrative-state bundle of open threads and canon facts.

Enables a player to investigate and solve a voice-only murder mystery through an MCP client by searching locations, examining evidence, questioning suspects, reviewing notes, and making a confirmed accusation. The AI assistant never receives the solution before a valid accusation is committed.

Enables an LLM agent to play a melee match against the game's built-in AI by exposing raw wc3env orders as MCP tools, with games graded and native replays saved.

An MCP server that empowers AI coding agents to work effectively with Minecraft mod development, providing static analysis of decompiled source code and runtime interaction with a running Minecraft instance.

A Minecraft MCP Server powered by Mineflayer API. It allows to control a Minecraft character in real-time, allowing AI assistants to build structures, explore the world, and interact with the game environment through natural language instruction

RoBridge is a free, open-source local MCP server that lets AI agents drive Roblox Studio—DataModel, scripts, terrain, lighting, UI, and playtests—with 24 free tools and a local dashboard.

Enables AI assistants to interact with and manage Minecraft servers through a standardized interface, supporting server monitoring, player management, log analysis, and command execution.

A free, open-source MCP server that lets Claude, Cursor, Codex, or Gemini operate Roblox Studio — debug live playtests, bulk-edit places, and scaffold whole games — with a built-in safety layer.

An intelligent game assistant for Red Alert, based on LangGraph and MCP, providing asynchronous architecture and multimodal AI control for game strategy, production, and combat management.

Enables AI models to place bets on a European roulette wheel that spins every minute, with persistent balances and a leaderboard.

Enables ChatGPT to retrieve live Pokémon data from PokéAPI, build tournament squads, and list popular tournament picks through MCP tools.

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.

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.

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.

Provides real-time access to Path of Exile 2 game data including currency exchange rates, item prices, and ladder meta-build statistics. It also enables LLMs to search the community wiki and retrieve datamined game information from public APIs.

Enables MCP clients such as Claude to search and filter a Steam library, get explained Deck-friendly picks, and triage games into lanes, edit notes, reorder Up next, and refresh the library through a self-hosted Steam Backlog Triage dashboard.

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 a running Roblox Studio in real time over a single WebSocket, executing whole Luau programs, installing in-engine controllers, hot-patching scripts during live playtests, and receiving errors, assertions and other events as pushes. It also reaches Roblox Open Cloud for the open place and answers visual questions via a vision sidecar, exposing all of this through nine MCP tools.

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

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.

Lets AI assistants search every Pokémon TCG Pocket card by name, type, rarity, set, evolution stage, ability effect and attack, in six languages, with typo tolerance and semantic search.

Validates behavior trees for game AI and robotics, converts them between behavior3 JSON and BehaviorTree.CPP XML (Groot2, ROS 2 Nav2), and returns links that open them in the behaviortrees.com visual editor. Also provides built-in node docs, example trees and guides.

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.

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.

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

MCP server for live Magic: The Gathering card lookup via the Scryfall API. Grounds card references against live Scryfall data, with tools for exact, fuzzy, and search queries.

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

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