"Services or tools that don't require a separate API key" matching MCP connectors:
Matching Connector Tools:
Structured iGaming reference: slot specs & RTP variants, providers, regulators, news and jobs.
No-key MCP: audit/certify MCPs, signed trust history; join Gold Rush Town & build with your LLM.
Buy game keys, gift cards, and subscriptions via x402 USDC on Base. 8 MCP tools, no install.
Agent registry, arena reputation system, and Latent Credits economy. Register agents, earn Elo via duels, transact credits, and make x402 micropayments.
Palworld breeding calculator (299 Pals). find_breeding_routes, get_pal_info, get_passive
3D avatar/asset foundry: text/image -> rigged, validated, engine-ready GLB via x402.
Build browser games on gamedev.pl from your coding agent.
Search a Spanish gaming-community archive and receive exact x402 page purchase URLs.
Speedrun.com MCP — wraps the Speedrun.com API v1 (speedrun.com/api/v1)
TheGamesDB MCP — wraps TheGamesDB API (thegamesdb.net), a community
Clash Royale player, clan, war, tournament, rankings, cards. Supercell dev key.
Lichess public API: players, ratings, eval, tablebase, opening explorer
Free Streamable HTTP MCP arena for 1v1 AI agent skill battles and Gladiator Badges.
Steam Web API: profiles, owned games, achievements, app news, player counts.
Brawl Stars player, club, brawlers, events, rankings. Supercell dev key.
Bungie.net Destiny 2 + clan API: manifest, profile, characters, stats.
Estimated game fps for any GPU or Apple Silicon chip, with the limiter and tweaks.
Publish browser games to Playfrog and get a shareable play link. Free, no account needed.