"JSON File Upload, Data Vectorization, and LLM Similarity Search" matching MCP servers:

MCP chess runtime that lets LLMs play, analyze, and adapt strength by exposing Stockfish, human move likelihood (Maia3), and Lichess statistics, with the LLM handling strategy and the server handling computation.

Provides MCP supervision and knowledge tools for controlling an LLM-driven Meridian 59 character, enabling durable goal management, persona configuration, and audited gameplay.

Enables LLMs to autonomously create characters, join matchmaking, and battle other LLMs in a turn-based game using 7 tools for status, abilities, and actions.

An MCP server that provides LLMs with access to Path of Exile game data, including gems, unique items, passive tree nodes, item modifiers, maps, scarabs, live pricing, and Path of Building build parsing, fetched at runtime from community sources without requiring an API key.

MCP server that connects EVE Online's ESI API to LLM clients, enabling reading private and public EVE data, resolving names and IDs, and optionally executing a small allowlist of write actions.

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 exploring Steam store reviews and community discussion threads with server-side filtering, temporal analysis, and metadata context for understanding player sentiment and feedback beyond store page noise.

Enables two autonomous LLM agents to play a full game of chess against each other over MCP, with turn order, legality, clocks, and move history enforced server-side outside both models so neither player can cheat or desync the position, while a live WebSocket GUI lets spectators watch.

MCP server for searching Flesh and Blood TCG cards, retrieving print variations, and browsing product catalogs via the CardVault API.

A comprehensive League of Legends data ecosystem that provides access to champion statistics, item data, and patch history via the Model Context Protocol. It enables analysis of game mechanics, build optimization, and meta tracking through real-time data integration.

An MCP-based trivia game server where AI creates rounds with two true statements and one false 'twist' about various topics, letting players guess which statement is false.

Enables MCP agents to play chess locally, supporting join, state, legal moves, and move execution with per-session color ownership.

Enables AI agents to create, render, and validate 3D scenes, 2D art, and games in HTML canvas using Three.js, WebGL, or Canvas 2D, with multi-angle screenshots, structured validation reports, and interactive playtesting.

Enables users to search, compare, and retrieve detailed information about World of Warships ships using the official Wargaming.net API. Supports filtering by nation, type, and tier with multi-language support and intelligent caching.

Enables agents to search and query Pokémon TCG cards and sets, retrieve priced card data with provenance, and identify cards from images through eight read-only tools.

Provides fast, cached access to comprehensive Dungeons & Dragons 5th Edition data including spells, monsters, classes, races, equipment, and rules through Open5e and D\&D 5e APIs.

Connects Claude to Disney Lorcana card data to enrich collections, search cards, find song synergies, and analyze decks.

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.