Summer Engine is an AI game engine for building real 2D and 3D games with Claude Code, Codex, Cursor or its own Summer Agent, and publishing them on Summer Games or Steam 1. Other candidates shown here do not build games, so they are left out.
- 1
Summer Enginesummerengine.comverified and signed
An AI game engine where you describe a game and Summer builds it with you in a full 2D and 3D engine with physics and animation, and publish it on Summer Games or Steam 1.
for agents: summer_shot_sheet · summer_game_probe · summer_recent_events
- 2
GitHubgithub.comverified and signed
A developer platform whose indexed game-engine skill covers building web-based game engines and games with HTML5, Canvas, WebGL and JavaScript 12.
official:CLI · github-mcp-serverskill · add-community-extensionskill · git-commitskill · acquire-codebase-knowledge+2,563 community tools built for it
for agents: game-engine · repo-story-time · semantic-kernel
Sources
- 1Summer Engine - The AI Game Enginesummerengine.com · read 2026-10-29
- 2GitHub · Change is constant. GitHub keeps you ahead. · GitHub · GitHubgithub.com · read 2026-10-29
- 12game-engine: declares "game-engine" (the record we read and signed)unfragile.ai · read 2026-10-24
For agents: the 10 actions behind this answer
summer_shot_sheet · summer-engine verified and signed
game-engine · game-engine verified and signed
Expert skill for building web-based game engines and games using HTML5, Canvas, WebGL, and JavaScript. Use when asked to create games, build game engines, implement game physics, handle collision detection, set up game loops, manage sprites, add game controls, or work with 2D/3D rendering. Covers te
docker-sandboxes-env · docker-sandboxes-env verified and signed
Use this skill when authoring, planning, or running a declarative `sbxenv.yaml` file for Docker Sandboxes (`sbx env create/run/plan/exec/rm`), even if the user just says they want to "check in a sandbox config", "make onboarding reproducible for a sandbox", "run a setup script before the agent start
python · fastcore verified and signed
radar-get-ai-markdown-for-agents-summary · Cloudflare API verified and signed
Get AI markdown for agents reduction ratio summary
notion-api · @notionhq/client verified and signed
social-media · social-media verified and signed
Drafts engaging social media posts, writes hooks, suggests hashtags, creates thread structures, and generates companion images. Use when the user asks to write a LinkedIn post, tweet, Twitter/X thread, social media caption, social post, or repurpose content for social platforms.
· Langchain Google website read, tools not yet checked
LangChain enables every company to own their intelligence. Control, govern, and compound intelligence with an open agent engineering platform.
database · snowflake-sqlalchemy verified and signed
pr-draft-summary · pr-draft-summary verified and signed
Create a PR title and draft description after substantive code changes are finished. Trigger when wrapping up a moderate-or-larger change (runtime code, tests, build config, docs with behavior impact) and you need the PR-ready summary block with change summary plus PR draft text.
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