Hydroxyl
Rank #9,725io.github.trebeljahr/hydroxyl
Local stdio MCP server: publication figures, structure checks and conversions for AI assistants
What you can do with Hydroxyl
Hydroxyl is a Model Context Protocol (MCP) server published by trebeljahr. It ranks #9,725 of 150,963 active servers on MCP Toplist. Hydroxyl is listed on Official MCP, with 1 tracked version. It was first listed on Oct 8, 2026 and most recently updated on Oct 8, 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 Hydroxyl 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 Hydroxyl
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 the Official MCP Registry, last synced Oct 22, 2026. Not independently verified by MCP Toplist.
- HYDROXYL_EDITOR_URL · optional
Connect Hydroxyl and confirm it works
claude mcp add hydroxyl -e "HYDROXYL_EDITOR_URL=<your HYDROXYL_EDITOR_URL>" -- npx -y hydroxyl-mcpReplace each placeholder with your own value before saving.
[mcp_servers.hydroxyl]
command = "npx"
args = ["-y", "hydroxyl-mcp"]
[mcp_servers.hydroxyl.env]
HYDROXYL_EDITOR_URL = "<your HYDROXYL_EDITOR_URL>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"hydroxyl": {
"command": "npx",
"args": [
"-y",
"hydroxyl-mcp"
],
"env": {
"HYDROXYL_EDITOR_URL": "<your HYDROXYL_EDITOR_URL>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"hydroxyl": {
"command": "npx",
"args": [
"-y",
"hydroxyl-mcp"
],
"env": {
"HYDROXYL_EDITOR_URL": "<your HYDROXYL_EDITOR_URL>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"hydroxyl": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"hydroxyl-mcp"
],
"env": {
"HYDROXYL_EDITOR_URL": "<your HYDROXYL_EDITOR_URL>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"hydroxyl": {
"command": "npx",
"args": [
"-y",
"hydroxyl-mcp"
],
"env": {
"HYDROXYL_EDITOR_URL": "<your HYDROXYL_EDITOR_URL>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"hydroxyl": {
"command": "npx",
"args": [
"-y",
"hydroxyl-mcp"
],
"env": {
"HYDROXYL_EDITOR_URL": "<your HYDROXYL_EDITOR_URL>"
}
}
}
}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.
When to choose another server
No task-specific alternatives are catalogued for Hydroxylyet; the list above is its publisher's other servers.
What changed, and when this was checked
- First listed
- Oct 8, 2026
- Latest version published
- Oct 8, 2026
- Version history
- 1 version tracked (below)
- Requirements evidence
- Declared by the Official MCP Registry, 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 8, 2026
- Official MCP ↗listed since Oct 8, 2026 · still listed
Do you maintain Hydroxyl? to correct or enrich this profile.
Available versions (1)
| Version | Published |
|---|---|
| 0.1.0 | Oct 8, 2026 |
Ranks ahead of 141,238 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.trebeljahr%2Fhydroxyl)<a href="https://mcptoplist.com/server/io.github.trebeljahr%2Fhydroxyl"><img src="https://mcptoplist.com/badge/io.github.trebeljahr%2Fhydroxyl.svg" alt="MCP Toplist: Top 10% of 150,963" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains Hydroxyl?
- Hydroxyl is maintained by trebeljahr, which publishes 2 MCP servers (2 total versions) tracked on MCP Toplist.
- Is Hydroxyl listed on the Official MCP Registry?
- Yes — Hydroxyl is listed on the Official MCP Registry.
- How many versions does Hydroxyl have?
- MCP Toplist tracks 1 version of Hydroxyl, most recently published on Oct 8, 2026.
- Where can I find the source code for Hydroxyl?
- The source code for Hydroxyl is hosted at github.com/trebeljahr/hydroxyl.app.
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.