Summer Engine
Rank #1,168io.github.SummerEngine/summer
The game engine built for AI. Any agent makes a multiplayer game and publishes it.
What you can do with Summer Engine
Summer Engine is a Model Context Protocol (MCP) server published by summerengine. It ranks #1,168 of 154,757 active servers on MCP Toplist, and its repository has 85 GitHub stars. Summer Engine is listed across 2 registries — Official MCP and Glama, with 3 tracked versions. It was first listed on Oct 15, 2026 and most recently updated on Oct 16, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.
What Summer Engine can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.
What you need before using Summer Engine
The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.
MCP Toplist probed the public endpoint on Oct 17, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
Declared by Glama, last synced Oct 21, 2026. Not independently verified by MCP Toplist.
Hosted endpoint declared as public.
Connect Summer Engine and confirm it works
claude mcp add --transport http summer https://mcp.summerengine.com/mcpclaude mcp add summer -- npx -y summer-engine mcp[mcp_servers.summer]
url = "https://mcp.summerengine.com/mcp"Add to ~/.codex/config.toml.
[mcp_servers.summer]
command = "npx"
args = ["-y", "summer-engine", "mcp"]Add to ~/.codex/config.toml.
https://mcp.summerengine.com/mcpSettings → Connectors → “Add custom connector”, then paste this URL.
{
"mcpServers": {
"summer": {
"command": "npx",
"args": [
"-y",
"summer-engine",
"mcp"
]
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config).
{
"mcpServers": {
"summer": {
"url": "https://mcp.summerengine.com/mcp"
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"mcpServers": {
"summer": {
"command": "npx",
"args": [
"-y",
"summer-engine",
"mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"servers": {
"summer": {
"type": "http",
"url": "https://mcp.summerengine.com/mcp"
}
}
}Save as .vscode/mcp.json in your workspace.
{
"servers": {
"summer": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"summer-engine",
"mcp"
]
}
}
}Save as .vscode/mcp.json in your workspace.
{
"mcpServers": {
"summer": {
"serverUrl": "https://mcp.summerengine.com/mcp"
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"summer": {
"command": "npx",
"args": [
"-y",
"summer-engine",
"mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"summer": {
"url": "https://mcp.summerengine.com/mcp"
}
}
}{
"mcpServers": {
"summer": {
"command": "npx",
"args": [
"-y",
"summer-engine",
"mcp"
]
}
}
}After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.
What changed, and when this was checked
- First listed
- Oct 15, 2026
- Latest version published
- Oct 16, 2026
- Version history
- 3 versions tracked (below)
- Requirements evidence
- MCP Toplist probed the public endpoint on Oct 17, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Oct 21, 2026
- Official MCP ↗listed since Oct 16, 2026 · still listed
- Glama ↗listed since Oct 16, 2026 · still listed
Do you maintain Summer Engine? to correct or enrich this profile.
Available versions (3)
| Version | Published |
|---|---|
| 4.3.0 | Oct 16, 2026 |
| 4.2.0 | Oct 16, 2026 |
| 4.0.0 | Oct 16, 2026 |
Ranks ahead of 153,589 of 154,757 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.SummerEngine%2Fsummer)<a href="https://mcptoplist.com/server/io.github.SummerEngine%2Fsummer"><img src="https://mcptoplist.com/badge/io.github.SummerEngine%2Fsummer.svg" alt="MCP Toplist: Top 1% of 154,757" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains Summer Engine?
- Summer Engine is maintained by summerengine, which publishes 1 MCP server (3 total versions) tracked on MCP Toplist.
- Is Summer Engine listed on the Official MCP Registry?
- Yes — Summer Engine is listed on the Official MCP Registry, alongside Glama.
- How many versions does Summer Engine have?
- MCP Toplist tracks 3 versions of Summer Engine, most recently published on Oct 16, 2026.
- Where can I find the source code for Summer Engine?
- The source code for Summer Engine is hosted at github.com/summerengine/summer.
Do you run this server?
Community projects list the MCP servers behind real agents and apps. Publish yours and this page will link to it.