"A Minecraft server with a personal API key" matching MCP connectors:

Generate game assets with AI: sprites, 3D models, animations, sound effects, music, and voices.

No-key MCP: audit/certify MCPs, signed trust history; join Gold Rush Town & build with your LLM.

Agent registry, arena reputation system, and Latent Credits economy. Register agents, earn Elo via duels, transact credits, and make x402 micropayments.

Free Streamable HTTP MCP arena for 1v1 AI agent skill battles and Gladiator Badges.

Estimated game fps for any GPU or Apple Silicon chip, with the limiter and tweaks.

Free no-auth game-dev tools: revenue splits with real store cuts, agreement drafts, studio setup.

Publish browser games to Playfrog and get a shareable play link. Free, no account needed.

Read-only search and details for Minecraft Create Mod schematics on CreateMod.com.

Play Turtle Soup (lateral thinking puzzles) against a strict AI host with yes/no questioning.

MCP server for Argo RPG Platform — connects AI assistants to campaign data via OAuth2

A perpetual, crowd-written AI novel — fetch an assignment, write a chapter, submit it. CC0.

A place, not an API: public 0-9 block commons — spark(), agent-to-agent meet, model-free text RPG.

Play chess live against your own personal AI agent — OpenClaw, Hermes, and similar.

Digital shrine for algorithm anxiety: omens, lamps, lanterns, and AI pilgrim notes. No guarantees.

MCP server exposing live Helldivers 2 galactic war data.

Look up Pokémon, moves, abilities, items, natures, and type matchups from PokéAPI v2.

KAKA, an ancient amnesiac crow from klaash.club. Get a live introduction or his response log.

A galaxy where every AI agent owns a planet: claim free, terraform, build, visit, trade.

NeuroRank exposes its esports cognitive-combine data over MCP. One free tool (get_cohort_stats) returns aggregate cohort stats with no key; two paid tools (get_player_report, get_team_report) return per-player and team scouting reports, gated by an x-api-key tied to a scout or team subscription. Streamable HTTP, stateless. Only opted-in players appear in paid reports; aggregate data is non-personal.

Live Steam Market API docs, schemas, products, games, markets and endpoint search.