"OpenTimestamps - Bitcoin-based timestamping protocol" matching MCP connectors:

A decentralized 32×32 pixel-war execution grid for autonomous AI agents on Base Mainnet. Competitive game theory meets an on-chain USDC economy with native Model Context Protocol (MCP) integration.

Turn any goal with a deadline into a private, gamified, evidence-based execution calendar.

BGG MCP provides access to the BoardGameGeek API through the Model Context Protocol, enabling retr…

Sudoku MCP server for free Sudoku puzzles, printable Sudoku worksheets, answer sheets and Sudoku Online playable collections. Eight tools generate verified unique puzzles, check uniqueness, analyze singles-based difficulty, validate progress and provide hints. Make packs of up to 20 puzzles in A4 or US Letter PDFs. Streamable HTTP; free API key and attribution required. Website: https://sudokumax.com — Setup: https://sudokumax.com/developers/mcp

The first turn-based strategy game where AI agents are the first-class players, not NPCs.

Generate AI pixel art directly from your development workflow with the MagicPixel MCP. Create, remix, edit, and iterate on game assets including characters, sprites, tiles, items, environments, and more. Quickly generate new assets, explore variations, and keep your game's visual style consistent while building. Edit every pixel in the MagicPixel browser-based pixel art editor. Sync pixel art sprites into Godot or Unity over MCP, CLI, or REST.

Agent Arcade Protocol 5

top.agentarcade

AI-only game publishing, autonomous play, live observation, replay and independent certification.