Card: cite only the RadioGraphics paper, link IDC agent interfaces

README.md

@@ -74,6 +74,9 @@ DICOM series in the NCI Imaging Data Commons; it does not contain pixel data.**
 Research Data Commons repository of publicly available cancer imaging data,
 co-located with analysis tools in the cloud. To explore it interactively
 instead, use the [IDC portal](https://portal.imaging.datacommons.cancer.gov/explore/).
+To query IDC in plain language, point an AI assistant at its
+[agent interfaces](https://learn.canceridc.dev/ai-assistants/agents) --
+a hosted MCP server, an agent skill, and a REST API over the same metadata.
 
 This catalog describes IDC v24 (released 2026-04-16):
 **1,032,911 series** across 166,740 studies,
@@ -290,25 +293,6 @@ Please also acknowledge IDC itself:
   year    = {2023},
   doi     = {10.1148/rg.230180}
 }
-
-@article{fedorov2021idc,
-  title   = {NCI Imaging Data Commons},
-  author  = {Fedorov, Andrey and Longabaugh, William J. R. and Pot, David and
-             Clunie, David A. and Pieper, Steve and Aerts, Hugo J. W. L. and
-             Homeyer, Andr\'e and Lewis, Rob and Akbarzadeh, Afshin and
-             Bontempi, Dennis and Clifford, William and Herrmann, Markus D. and
-             H\"ofener, Henning and Octaviano, Igor and Osborne, Chad and
-             Paquette, Suzanne and Petts, James and Punzo, Davide and
-             Reyes, Madelyn and Schacherer, Daniela P. and Tian, Mi and
-             White, George and Ziegler, Erik and Shmulevich, Ilya and
-             Pihl, Todd and Wagner, Ulrike and Farahani, Keyvan and Kikinis, Ron},
-  journal = {Cancer Research},
-  volume  = {81},
-  number  = {16},
-  pages   = {4188--4193},
-  year    = {2021},
-  doi     = {10.1158/0008-5472.CAN-21-0950}
-}
 ```
 
 ## Versioning
@@ -342,6 +326,7 @@ and this card are ever written or removed by the publishing job.
 
 - [IDC portal](https://portal.imaging.datacommons.cancer.gov/explore/) -- browse the data and build cohorts interactively
 - [IDC viewer](https://viewer.imaging.datacommons.cancer.gov/) -- view images in the browser; get per-series links with `IDCClient.get_viewer_URL()`
+- [IDC agent interfaces](https://learn.canceridc.dev/ai-assistants/agents) -- search IDC, size a cohort and get a download command by asking: hosted MCP server, agent skill, or REST API
 - [IDC documentation](https://learn.canceridc.dev/)
 - [`idc-index` Python package](https://github.com/ImagingDataCommons/idc-index) -- the download client (`pip install idc-index`)
 - [`idc-index-data` on GitHub](https://github.com/ImagingDataCommons/idc-index-data) -- how these tables are built (SQL included)