A side-by-side look at the Data Nantes and Astrofabric MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Data Nantes for data platforms work as a local process; choose Astrofabric MCP for data platforms as a local process. You can also run both side by side in one mcpServers block.
search_datasets, dataset_info, query.ASTROFABRIC_API_KEY.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Data Platforms | Data Platforms |
| Quality signal | 53/100 · Good | 49/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | API key required |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | ASTROFABRIC_API_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 1 |
| Directory activity | 1 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 3 | Not listed |
| Full listing | View Data Nantes | View Astrofabric MCP |
search_datasetsSearch Nantes Métropole Open Data for datasets by keyword (mobility, urban services, environment & geography). Returns dataset_ids (pass to query/dataset_info), titles, themes and record counts.dataset_infoGet metadata for one Nantes Métropole Open Data dataset (fields/schema, themes, record count) — call before query to learn the column names.queryQuery records from a Nantes Métropole Open Data dataset with ODSQL. Filter (where), aggregate (group_by/select), sort (order_by), paginate (limit/offset).No tool names declared yet. Check the project README from the listing page.
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.
{
"mcpServers": {
"data-nantes": {
"command": "npx",
"args": [
"-y",
"@pipeworx/mcp-data-nantes"
]
}
}
}
{
"mcpServers": {
"sam1siam-astrofabric-mcp": {
"command": "npx",
"args": [
"-y",
"github:sam1siam/astrofabric-mcp"
],
"env": {
"ASTROFABRIC_API_KEY": "YOUR_ASTROFABRIC_API_KEY_HERE"
}
}
}
}