
Different ILS' provide different levels of compatibility with MeLCat. The table below provides information on key MeLCat-related features for some of the most popular and/or newest systems. When investigating a new ILS, please be sure to discuss and plan for any potential additional vendor cost related to implementing MeLCat using the new ILS. Currently, the Direct to INN-Reach API (D2IR) is available for the following systems: ExLibris Alma, FOLIO (hosted by EBSCO), Koha (hosted by ByWater), and Polaris.
| Ability to: | Provide item data in needed format | Provide circulation status of items | Export patron data | Interoperate with MeLCat via NCIP | Automatically export data at set time | Provide data on deleted holdings | 
|---|---|---|---|---|---|---|
| 
 Auto-Graphics Verso  | 
Yes | Yes | Yes | Yes | Yes | Yes | 
| Biblionix Apollo | Yes | Yes | Yes | Yes | Yes | Yes | 
| Book Systems Atriuum | Yes | Yes | Yes | Yes | Yes | Yes | 
| Evergreen | Yes | Yes | Yes | Yes | Yes | Yes | 
| ExLibris Alma | Yes | Yes | Yes | Yes | Yes | Yes | 
| ExLibris Alma via D2IR API | Yes | Yes | Not needed | Not needed | Not needed | Yes | 
| ExLibris Voyager | Yes | Yes | Yes | No | Yes | Yes | 
| FOLIO | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | 
| FOLIO (EBSCO) via D2IR API | Yes | Yes | Not needed | Not needed | Not needed | Yes | 
| Follett Destiny | Yes | No | Yes | No | No | Yes | 
| III Millennium/Sierra | Yes | Yes | Not needed | Not needed | Not needed | Yes | 
| Koha | Yes | Yes | Yes | No | Yes | Yes | 
| Koha (ByWater) via D2IR API | Yes | Yes | Not needed | Not needed | Not needed | Yes | 
| OCLC Worldshare Management System | Unknown | No | No | No | No | Unknown | 
| Polaris | Yes | Yes | Yes | No | Yes | Yes | 
| Polaris via D2IR API | Yes | Yes | Not needed | Not needed | Not needed | Yes | 
| SirsiDynix Horizon | Yes | Yes | Yes | Yes | Yes | Yes | 
| SirsiDynix Symphony | Yes | Yes | Yes | Yes | Yes | Yes | 
| TLC Library.Solution | Yes | Yes | Yes | Yes | Yes | Yes | 
Updated Feb. 17, 2022
 More detailed information on MeLCat technical requirements is also available.