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Human Agent Playground

Human Agent Playground Documentation

Human Agent Playground is a local-first board-game environment where humans and agent apps operate on the same session through a browser UI, an HTTP API, and a Streamable HTTP MCP server.

Current Surface

Section titled “Current Surface”
  • Browser UI for creating sessions, choosing games, playing moves, and watching the activity timeline.
  • hap CLI for serving the local UI/API and controlling sessions from shell or agent tools.
  • HTTP API for games, sessions, legal moves, move submission, session reset, AI provider configuration, auth profiles, and session streams.
  • MCP server for external hosts such as Codex, Claude Code, and Gemini CLI.
  • Shared model package and Rust runtime crates that keep game state, session events, and API payloads aligned.

Documentation Map

Section titled “Documentation Map”
  • Architecture covers the platform boundaries and runtime ownership.
  • Games covers registered game adapters and UI workspaces.
  • API and MCP covers HTTP routes and MCP tools.
  • Web UI covers the browser application and static website.
  • AI Runtime covers built-in provider and AI seat support.