"Using personal browser with existing cookies and session data" matching MCP servers:

A read-only MCP server that enables AI assistants to access a user's Steam library, playtime, achievements, friends, wishlist, and store data for backlog analysis, game recommendations, discount monitoring, and play-activity summaries.

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.

Provides read-only access to Yahoo Fantasy Football league data through MCP, letting ChatGPT retrieve rosters, standings, scoreboards, draft results, transactions, and player stats without making any roster changes.

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.

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

Enables browsing and extracting files from Grand Theft Auto V's RPF archives, supporting RPF7 format with AES encryption and nested archives.

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.

MCP server that enables web search via Tavily API and chess player stats via Chess.com API.

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

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.

A Model Context Protocol (MCP) server providing accurate LSL (Linden Scripting Language) reference data to AI coding assistants, grounded in the official Second Life wiki with a curated database of AI-specific pitfalls.

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

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 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.