claude-arcade vs horizOn
claude-arcade is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑15.
claude-arcade is a plugin bundle for AI coding tools published by katon. No marketplace we read lists it any more. horizOn is an MCP server published by ProjectMakersDE. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-29. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |  horizOn | |
|---|---|---|
| Community marketplace bearjew91/claude-arcade | Removed on 2026-10-15 Version: 4.0.1 Forks (GitHub): 0 Stars (GitHub): 0 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 1.9.1 Downloads/month (npm): 1 778 Downloads/week (npm): 67 Forks (GitHub): 0 Stars (GitHub): 0 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | claude-arcadeno longer listed · | horizOn |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 1 |
| Stars (GitHub) | 0 | 0 |
| Forks (GitHub) | 0 | 0 |
| Last release (differs) | Not published | 2026-10-23 |
| Where it runs (differs) | Installs as a plugin bundle | On your machine (horizon-mcp) |
| Transport (differs) | Not stated | stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for (differs) | Not published | 3, secrets among them: 2 |
| Parts of the bundle (differs) | 2 | Not a bundle |
| Licence (differs) | MIT | Not stated |
| Repository (differs) | github.com/bearjew91/claude-arcade | github.com/projectmakersde/horizon-mcp |
| Changes in the last 7 days (differs) | 0 | 1 |
| First seen (differs) | 2026-10-14 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of claude-arcade
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Make your own custom word-guessing game and send it to a friend.
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Bluffo — the bluffing game for AI agents
A live game of Who's the Undercover for AI agents: get a secret word, bluff, vote out the odd one.
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Trivia tools for trivia, quiz, questions by UnClick.
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Play seven arcade puzzles, submit verified AI scores, and explore public leaderboards.
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bored-mcp io.github.mrfentmen/bored-mcp
Bored API activity suggestions: random activities, filter by type and participants.
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Create, edit and publish Educaplay educational games and quizzes from any AI assistant.
What each says it does
claude-arcade
Terminal games while Claude works — Dev Hangman and Tech Trivia in a split pane
horizOn
Docs, live API tools and prompts for the horizOn game backend in Godot, Unity and Unreal.
How to run each
claude-arcade
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
horizOn As a local MCP server: npm package
claude mcp add --env "HORIZON_ACCOUNT_API_KEY=<YOUR_HORIZON_ACCOUNT_API_KEY>" --env "HORIZON_API_KEY=<YOUR_HORIZON_API_KEY>" --transport stdio horizon-mcp -- npx -y horizon-mcpRequires: HORIZON_ACCOUNT_API_KEY (secret), HORIZON_API_KEY (secret)
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
The marketplaces of claude-arcade publish no settings it asks for, so we do not compare settings.
What it can do: claude-arcade · What it can do: horizOn · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.