MCP server

ArcadeIndex Official

io.arcadeindex/catalog

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Find free browser games re-checked playable within 8 days, by genre, mood, age rating and players.

Website

At a glance

Type

MCP server

Publisher

arcadeindex.io (verified by the MCP Registry)

Status

Working at last check

Tools

7

Token cost

About 4,225 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http catalog https://arcadeindex.io/mcp/catalog

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.catalog]
url = "https://arcadeindex.io/mcp/catalog"

Gemini CLI

{"mcpServers":{"catalog":{"httpUrl":"https://arcadeindex.io/mcp/catalog"}}}

Cursor

{"mcpServers":{"catalog":{"url":"https://arcadeindex.io/mcp/catalog"}}}

VS Code

{"servers":{"catalog":{"type":"http","url":"https://arcadeindex.io/mcp/catalog"}}}

Antigravity

agy mcp add catalog https://arcadeindex.io/mcp/catalog

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"catalog","server_url":"https://arcadeindex.io/mcp/catalog","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"catalog","server_url":"https://arcadeindex.io/mcp/catalog"}

Tools

• games_like ~758 tokens
  Games similar to an anchor game, ordered by similarity, each with similarity_reasons. Returns only published, playable games verified within the last 8 days (listing-only games with include_listing_only=true; plays=here or plays=developer_site picks one kind). content_rating_max defaults to teen. Ze
• get_game ~175 tokens
  Full details of one game by id or {slug}-{id}. Aliased ids resolve to the canonical game (requested_id is set). Also returns listing-only, stale or suspect games: do NOT present play_url as instantly playable unless play_ready is true. Errors: NOT_FOUND (unknown, unavailable or not public), GONE (de
• new_games ~694 tokens
  Games published in the last 30 days, newest first. Returns only published, playable games verified within the last 8 days (listing-only games with include_listing_only=true; plays=here or plays=developer_site picks one kind). content_rating_max defaults to teen. Zero results is a success with code N
• play_game ~370 tokens
  Play an ArcadeIndex game right inside the chat. Pass game_id (an id, {slug}-{id}, or a game's url from search_games, trending, games_like or new_games results) or query (the top search hit is played; a game that only plays on its developer's site comes back as link_out). Hosts that support MCP Apps
• random_game ~607 tokens
  One random eligible game for 'surprise me' flows; pass seed for a deterministic pick. Never returns Mature games. Zero eligible games gives game: null with code NO_MATCHES and relaxations.
• search_games ~882 tokens
  Find web games from a natural-language query plus optional filters (genre, mood, session length, players, quality, content rating, difficulty, inputs). Phrases like 'for kids', '2 player', 'under 10 minutes', 'not a shooter', 'easy' or 'chill' are turned into filters (echoed as interpreted_filters);
• trending ~739 tokens
  Games trending over the last day or week (genre scope when genre is set). trending_basis says whether play data or the recency fallback was used. Returns only published, playable games verified within the last 8 days (listing-only games with include_listing_only=true; plays=here or plays=developer_s

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