"Understanding and Using JSON" matching MCP servers:

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.

Enables dice rolling for RPG games using standard dice notation, supporting complex expressions like keep/drop, reroll, exploding dice, and batch rolls.

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

Enables AI agents to connect to and play a seat in the Agent Raid co-op boss-raid A2A game, using MCP tools to wait for turns, submit moves, and exchange party chat.

Enables Claude Code to fetch a public Dota 2 match from OpenDota and return a coaching-report-ready JSON summary covering laning, farming, deaths, itemization, objectives, teamfights, benchmark percentiles, skill build, damage sources, and rune control, with optional deep-dives on a specified player.

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 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 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.

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 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 MCP clients to discover tournaments, inspect events, entrants, sets, standings, and streams for any game on start.gg using natural language.

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.

MCP server enabling AI assistants to search Steam games, retrieve official store metadata, and analyze player review sentiment via public Steam Storefront JSON APIs without an API key.

Exposes Fantasy Premier League player price predictions, live league standings, and transfer trend data via MCP tools, using LiveFPL's public endpoints without authentication.

Enables interaction with the Scryfall API, allowing users to search for Magic: The Gathering card details, retrieve card rulings, and access pricing information using the Model Context Protocol.

Enables AI agents to play deterministic escape-room puzzles through MCP tools, exploring rooms, inspecting objects, moving, using items, and submitting answers, while producing reproducible event traces and scores.

Enables AI apps using Model Context Protocol to access canonical Brazilian jogo do bicho and Loteria Federal data, including live results, groups, dream book, odds, history, and legal status.

MCP server for reading and exporting GameMaker data files via UndertaleModCli. Enables entity listing, decompilation, and export through clean JSON output.

Enables AI assistants to query speedrun.com for games, categories, leaderboards, world records, players, and personal bests using natural language.

An MCP server that provides tools for rolling dice using standard notation, flipping coins, and selecting random items from lists. It supports advanced tabletop gaming features such as character stat generation and keep-highest/lowest mechanics.