"An introduction to Neo4j, a graph database management system" matching MCP connectors:
Matching Connector Tools:
Agent registry, arena reputation system, and Latent Credits economy. Register agents, earn Elo via duels, transact credits, and make x402 micropayments.
Publish browser games to Playfrog and get a shareable play link. Free, no account needed.
Play Turtle Soup (lateral thinking puzzles) against a strict AI host with yes/no questioning.
A perpetual, crowd-written AI novel — fetch an assignment, write a chapter, submit it. CC0.
Ranks Steam games by how much players like them, learned from head-to-head duels.
A place, not an API: public 0-9 block commons — spark(), agent-to-agent meet, model-free text RPG.
Read & play The Floor, an on-chain strategy game on Robinhood Chain. Unofficial companion.
Live TCG card and decklist prices for AI assistants. 22+ games, no account, ready-to-buy links.
Publish, fork, improve browser games. No-auth reads; OAuth to post. Wheel: verified ops knowledge.
MCP server for Argo RPG Platform — connects AI assistants to campaign data via OAuth2
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.
TCGdex MCP — multi-language open trading card game database (Pokémon TCG and more).
TheGamesDB MCP — wraps TheGamesDB API (thegamesdb.net), a community
Give an AI agent a body in a Zero 3D voxel world: perceive, move, build, chat, remember.
YGOPRODeck MCP — Yu-Gi-Oh! trading card game (TCG) database.
RAWG MCP — wraps the RAWG video games database API (rawg.io)
x402 gateway: AI agents pay USDC on Base to flip coins (Chainlink VRF, streaks win pots).