Optuna MCP vs Stats Compass
A side-by-side look at the Optuna MCP and Stats Compass MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Optuna MCP for data science tools work; choose Stats Compass for data science tools as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Optuna MCP when
- You need dedicated capabilities in the Data Science Tools domain.
- Its auth model fits you: No auth required.
- You want tools like
create_study, study_name, directions.
Choose Stats Compass when
- You need dedicated capabilities in the Data Science Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You have the keys it needs:
STATS_COMPASS_PORT, STATS_COMPASS_SERVER_URL, STATS_COMPASS_MAX_UPLOAD_MB.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Data Science Tools | Data Science Tools |
| Quality signal | 74/100 · Great | 44/100 · Fair |
| Install command | Not confirmed yet | Confirmed |
| Transport | — | Local subprocess (stdio) |
| Auth | No auth required | No auth required |
| Pricing | Free | Free |
| Required env vars | None listed | STATS_COMPASS_PORTSTATS_COMPASS_SERVER_URLSTATS_COMPASS_MAX_UPLOAD_MB |
| Verified owner | Verified | Community listing |
| GitHub stars | 88 | 17 |
| Directory activity | 4 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | 41 | Not listed |
| Full listing | View Optuna MCP | View Stats Compass |
Tools & capabilities
Optuna MCP tools 41
create_studyCreate a new Optuna study with the given study_name and directions.study_namename of the study (string, required).directionsThe directions of optimization (list of literal strings minimize/maximize, optional).set_samplerSet the sampler for the study.namethe name of the sampler (string, required).get_all_study_namesGet all study names from the storage.set_metric_namesSet metric_names. Metric_names are labels used to distinguish what each objective value is.metric_namesThe list of metric names for each objective (list of strings, required).get_metric_namesGet metric_names.get_directionsGet the directions of the study.get_trialsGet all trials in a CSV format.best_trialGet the best trial.- +29 more on the listing page
Stats Compass tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Optuna MCP
No confirmed install command for Optuna MCP yet — follow the setup steps linked from its listing page rather than a guessed package name.
Stats Compass
{
"mcpServers": {
"stats-compass": {
"command": "uvx",
"args": [
"stats-compass-mcp"
],
"env": {
"STATS_COMPASS_PORT": "YOUR_STATS_COMPASS_PORT_HERE",
"STATS_COMPASS_SERVER_URL": "YOUR_STATS_COMPASS_SERVER_URL_HERE",
"STATS_COMPASS_MAX_UPLOAD_MB": "YOUR_STATS_COMPASS_MAX_UPLOAD_MB_HERE"
}
}
}
}
Frequently asked questions
Optuna MCP is categorized under Data Science Tools and uses an install path we have not confirmed yet. Stats Compass belongs to Data Science Tools and uses a local stdio subprocess. Pick Optuna MCP for data science tools work and Stats Compass for data science tools.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Optuna MCP has no confirmed install command yet — follow its own setup instructions.
Optuna MCP is listed as free. Auth: no auth required. Stats Compass is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add optuna-optuna-mcp and stats-compass as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Optuna MCP has a quality signal of 74/100 (Great) with 4 views, 0 installs and 88 GitHub stars. Stats Compass has 44/100 (Fair) with 3 views, 0 installs and 17 GitHub stars.