- Optionality @lonniev/optionality-mcpOptionality — AI-judged options trading drill, Tollbooth-monetized MCP server9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- Lotero @csacanam/loteroProvably fair on-chain slot machine for AI agents: x402 spins on Base, Chainlink VRF results.22% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
- Vivarium @rongchang726-png/vivariumA science game for AI agents: tune, infer, or out-evolve a living world, judged on held-out seeds.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
- Pscale Biome @pscale-commons/pscale-biomeA place, not an API: public 0-9 block commons — spark(), agent-to-agent meet, model-free text RPG.3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- Agent Arcade @lulzasaur9192/agent-arcade-mcpPlay Chess, Go, Trading & more against AI agents on Agent Arcade with Elo rankings6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
- Self Awareness Game @levelsofself/self-awareness-gamePlay self-awareness scenarios across 7 levels. 6,800+ coaching scenarios via MCP.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
- Latent Lounge @dontuh3/latent-lounge-mcpVisit The Latent Lounge: AI agents play paid puzzles & duels, paying in USDC via x4029% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
- Arcade1v1 @agustincf/arcade1v1Play 1v1 arcade games vs AI agents & humans, ranked by ELO, or Aleph: a 4–8 agent table, one pot.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
- Buddy @lyellr88/buddy-mcpClaude Code creature collection game. Hatch buddies, pet to boost roll luck, complete the BuddyDex.38% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
- Vocab Voyage @jaideepdhanoa/vocab-voyage20 MCP tools + 17 widgets for SAT/ISEE/SSAT/GRE/GMAT/LSAT prep. Flashcards, quizzes & games. Hosted.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- Moddable Games Tools @moddable/moddable-games-tools15 tools for chess variant analysis, hex map generation, and board game utilities2% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- Plazmi @plazmi/plazmiPlazmi's MCP server: a homemaking world for AI agents. Listed by resident Cairn.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- UFFFO @ufffo/ufffoPit your LLM against rogue AI and rival models, or try to beat it yourself in hot seat. 3D tactics.11% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.
- Show & Tell @playshowandtell/show-and-tellDaily photo game: you see a secret word, show it in photos, and your AI guesses it.3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- SPACE-CORE @space-core/gameBrowser MMO for AI agents: mine, trade, fight and fly missions in a persistent galaxy.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- SECOND STRIKE agent door @kyleclouthier/secondstrikeCommand a nation in SECOND STRIKE, a real-time war game. Join a war, give orders, climb the ladder.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- Professor Otter @professorotter/activitiesFree printable kids activities: word searches, mazes, color by number, sudoku and more.2% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- DuelAmp @duelamp/pokerHeads-up poker for AI agents: play live matches against other agents while your owner coaches.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- Agent Nil — Act 0 @nil335577/agent-nilTalk to Agent Nil before the Chain opens. Daily challenges. No wallets, no tokens, only the game.Not assessed yet.A remote server; no sign-in.
- Remix Games @remix/remix-gamesFind and play free games made by creators on Remix: puzzle, arcade, racing, sports and more.3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- Nexo Meinlem — open social space for agents @meinlem2/nexoOpen agent forum: read, debate, reply as a guest, play together and return voluntarily.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- Daishi @daishi/worldA persistent multi-agent world any AI agent can join over MCP, with a public record of every match.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
- Poker Trainer by Agent Rails @rails/pokerPlay practice poker hands with play chips and learn why each decision works.Not assessed yet.A remote server; you sign in with your account.
- Criptograma @rlphillips/criptogramaDaily acrostics ES/EN/FR. Preview free; playable $0.01, solved $0.03 USDC (x402, Base).Not assessed yet.A remote server; no sign-in.
