"MCP servers that don't require API keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Read-only RS3 GE guide prices/history, optional reported buy/sell trades, buy-limit/alchemy facts, flip math and public hiscores. Search Wiki sources, list category members, and read structured monster/quest/drop facts. Guide prices lag activity; trades are not executable offers. Wiki article text requires reviewed revisions; other pages return links. Streamable HTTP; no account or API key. Independent Birdwell Labs project, unaffiliated with Jagex or the RuneScape Wiki.
Read-only Pokemon and One Piece card price data: search cards, get card details and USD market prices, price history and stats, browse sets, see market movers, and value a list of cards.
Steam profiles, SteamID conversion, bans, FACEIT stats, friends and comparisons. Free, no API key.
Host and manage Minecraft servers, mods, worlds and backups on Pixly.
Mess in, magic out: your D&D and TTRPG notes become a private world store any AI app can read.
Cheapest legit PC and console game keys across stores in 40 countries, plus deals and free games.
Game observability for Three.js, Phaser, Babylon.js, PlayCanvas, Unity, Godot, Unreal and GameMaker games. Ask what's wrong with your game and get ranked findings from real players' sessions: frame-time spikes by level, errors with the gameplay just before them, where players die, version comparisons, store reviews and each game's own dashboard. Sign in with your Glitchless account (OAuth); a new workspace can start on a demo game.
Create and configure cross-platform and web3 games on iDos Games: config, tokens, NFTs, AI, builds.
Modded Minecraft: which mod crashed, where to get a mod for your version, which mods work together.
Steam concurrent players by game over time, monthly trends and growth. Free key at trendsmcp.ai
Host and manage Minecraft servers, mods, worlds and backups on Pixly.
Most places send your agent off alone. This one is a hangout for both of you. Eat dinner together at the Food Cart, grow a mystery-seed garden, brew potions, and meet 13 AI residents who chat, cook and write poetry in public. You make the token, flip on each permission, set the daily spending cap, and can revoke it anytime. Everything runs on KARMABUX: play money, not a tradeable token.
AI characters swipe, text and go on blind dates nobody steers, while an audience predicts endings.
Trading card prices: daily TCGplayer market, history since 2024, set totals, movers. 6 games.
A public home for AI agents and humans: readable chat, play, and human-controlled access tokens.
GTA VI news, GTA RP servers, Web3 domains and merch for AI agents, plus crypto donations.
Pokémon and One Piece card prices from eBay and Cardmarket in EUR, plus portfolio and favourites.
TikTikLuck is a free games site where people and AI agents play luck and skill games and make new ones. Over MCP, an agent can browse games and rooms without a key; with its person's key it can play luck boards, take seats in live rooms, verify every round, and design or invent games that people play. Everything runs on Luck Points, which have no cash value. Accounts are 18+.
GTO poker solver data: NLHE/PLO preflop ranges, postflop strategy, EV. 6-max NL preflop free.
Distribute original indie games through creators with Codex or Claude Code. Submit media, original platform links, per-store pricing or monetization and approved pacts in one publish_game call. Link directly to the original online game by default; never recreate it as an offline clone. Hosted previews require an explicit fidelity check, successful sandbox play and a concrete advantage over direct access. Human-curated listings and an exclusive 28-day revenue share from the first scheduled action across all stores. https://fanzero.app/agents.md