dc_query
Pack: data-dc · Endpoint: https://gateway.pipeworx.io/data-dc/mcp
Query any Washington, DC ArcGIS layer by service path + layer id. Full ArcGIS query: where, out_fields, order_by, limit. Use dc_layers to find a service/layer, or dc_recent for the common ones. Epoch dates are converted to ISO.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
service | string | yes | ArcGIS service path, e.g. “FEEDS/MPD/MapServer” (or a short name: crime|service_requests|permits). |
layer | number | yes | Layer id within the service (from dc_layers), e.g. 39. |
where | string | no | ArcGIS SQL where (default “1=1”). |
out_fields | string | no | Comma-separated fields, or ”*” (default). |
order_by | string | no | Sort clause, e.g. “REPORT_DAT DESC”. |
limit | number | no | Max rows (default 100, max 2000). |
Example call
curl -X POST https://gateway.pipeworx.io/data-dc/mcp \
-H 'Content-Type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"dc_query","arguments":{}}}'Connect
Add this to your MCP client config, or use one-click install buttons:
{
"mcpServers": {
"data-dc": {
"url": "https://gateway.pipeworx.io/data-dc/mcp"
}
}
}See Getting Started for client-specific install steps.