Helionyx
Rank #24,433io.github.Jayzilva/helionyx
Size hybrid solar PV, wind, battery, diesel and grid systems: hourly simulation, NPC ranking.
What you can do with Helionyx
Helionyx is a Model Context Protocol (MCP) server published by Jayzilva. It ranks #24,433 of 150,963 active servers on MCP Toplist. Helionyx is listed across 2 registries — Official MCP and Glama, with 1 tracked version. It was first listed on Oct 7, 2026 and most recently updated on Oct 7, 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 Helionyx 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 Helionyx
The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.
Declared by Glama, last synced Oct 22, 2026. Not independently verified by MCP Toplist.
- HNX_WORKSPACE · optional
- HNX_OFFLINE · optional
- HNX_REOPT_API_KEY · optional
Connect Helionyx and confirm it works
claude mcp add helionyx -e "HNX_WORKSPACE=<your HNX_WORKSPACE>" -e "HNX_OFFLINE=<your HNX_OFFLINE>" -e "HNX_REOPT_API_KEY=<your HNX_REOPT_API_KEY>" -- uvx helionyx serveReplace each placeholder with your own value before saving.
[mcp_servers.helionyx]
command = "uvx"
args = ["helionyx", "serve"]
[mcp_servers.helionyx.env]
HNX_WORKSPACE = "<your HNX_WORKSPACE>"
HNX_OFFLINE = "<your HNX_OFFLINE>"
HNX_REOPT_API_KEY = "<your HNX_REOPT_API_KEY>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"helionyx": {
"command": "uvx",
"args": [
"helionyx",
"serve"
],
"env": {
"HNX_WORKSPACE": "<your HNX_WORKSPACE>",
"HNX_OFFLINE": "<your HNX_OFFLINE>",
"HNX_REOPT_API_KEY": "<your HNX_REOPT_API_KEY>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"helionyx": {
"command": "uvx",
"args": [
"helionyx",
"serve"
],
"env": {
"HNX_WORKSPACE": "<your HNX_WORKSPACE>",
"HNX_OFFLINE": "<your HNX_OFFLINE>",
"HNX_REOPT_API_KEY": "<your HNX_REOPT_API_KEY>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"helionyx": {
"type": "stdio",
"command": "uvx",
"args": [
"helionyx",
"serve"
],
"env": {
"HNX_WORKSPACE": "<your HNX_WORKSPACE>",
"HNX_OFFLINE": "<your HNX_OFFLINE>",
"HNX_REOPT_API_KEY": "<your HNX_REOPT_API_KEY>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"helionyx": {
"command": "uvx",
"args": [
"helionyx",
"serve"
],
"env": {
"HNX_WORKSPACE": "<your HNX_WORKSPACE>",
"HNX_OFFLINE": "<your HNX_OFFLINE>",
"HNX_REOPT_API_KEY": "<your HNX_REOPT_API_KEY>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"helionyx": {
"command": "uvx",
"args": [
"helionyx",
"serve"
],
"env": {
"HNX_WORKSPACE": "<your HNX_WORKSPACE>",
"HNX_OFFLINE": "<your HNX_OFFLINE>",
"HNX_REOPT_API_KEY": "<your HNX_REOPT_API_KEY>"
}
}
}
}Replace each placeholder with your own value before saving.
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 7, 2026
- Latest version published
- Oct 7, 2026
- Version history
- 1 version tracked (below)
- Requirements evidence
- Declared by Glama, last synced Oct 22, 2026. Not independently verified by MCP Toplist.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Oct 22, 2026
- Official MCP ↗listed since Oct 7, 2026 · still listed
- Glama ↗listed since Oct 8, 2026 · still listed
Do you maintain Helionyx? to correct or enrich this profile.
Available versions (1)
| Version | Published |
|---|---|
| 0.3.0 | Oct 7, 2026 |
Ranks ahead of 126,530 of 150,963 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.Jayzilva%2Fhelionyx)<a href="https://mcptoplist.com/server/io.github.Jayzilva%2Fhelionyx"><img src="https://mcptoplist.com/badge/io.github.Jayzilva%2Fhelionyx.svg" alt="MCP Toplist: Top 25% of 150,963" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains Helionyx?
- Helionyx is maintained by Jayzilva, which publishes 1 MCP server (1 total version) tracked on MCP Toplist.
- Is Helionyx listed on the Official MCP Registry?
- Yes — Helionyx is listed on the Official MCP Registry, alongside Glama.
- How many versions does Helionyx have?
- MCP Toplist tracks 1 version of Helionyx, most recently published on Oct 7, 2026.
- Where can I find the source code for Helionyx?
- The source code for Helionyx is hosted at github.com/Jayzilva/helionyx.
Do you run this server?
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