Jacobian vs Starwell: World Data & Statistics
A side-by-side look at the Jacobian and Starwell: World Data & Statistics MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Jacobian for data science tools work as a local process; choose Starwell: World Data & Statistics 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 Jacobian when
- You need dedicated capabilities in the Data Science Tools domain.
- You prefer a local stdio subprocess transport.
Choose Starwell: World Data & Statistics when
- You need dedicated capabilities in the Data Science Tools domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
STARWELL_MCP_URL, STARWELL_API_KEY.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Data Science Tools | Data Science Tools |
| Quality signal | 49/100 · Fair | 41/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | STARWELL_MCP_URLSTARWELL_API_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 318 | 0 |
| Directory activity | 1 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View Jacobian | View Starwell: World Data & Statistics |
Tools & capabilities
Jacobian tools
No tool names declared yet. Check the project README from the listing page.
Starwell: World Data & Statistics 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.
Jacobian
{
"mcpServers": {
"jacobian": {
"command": "npx",
"args": [
"-y",
"jacobian@latest"
]
}
}
}
Starwell: World Data & Statistics
{
"mcpServers": {
"starwell-world-data-statistics": {
"command": "npx",
"args": [
"-y",
"starwell-mcp"
],
"env": {
"STARWELL_MCP_URL": "YOUR_STARWELL_MCP_URL_HERE",
"STARWELL_API_KEY": "YOUR_STARWELL_API_KEY_HERE"
}
}
}
}
Frequently asked questions
Jacobian is categorized under Data Science Tools and uses a local stdio subprocess. Starwell: World Data & Statistics belongs to Data Science Tools and uses a local stdio subprocess. Pick Jacobian for data science tools work and Starwell: World Data & Statistics 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.
Jacobian has no declared pricing — check the project's own site. Starwell: World Data & Statistics has no declared pricing — check the project's own site. 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 jacobian and starwell-world-data-statistics as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Jacobian has a quality signal of 49/100 (Fair) with 1 views, 0 installs and 318 GitHub stars. Starwell: World Data & Statistics has 41/100 (Fair) with 3 views, 0 installs and 0 GitHub stars.