OPDS Options

malkie13 · 09-16-2026, 03:39 AM

Running Calibre itself (not web) and using the content server on Windows 11, and have two libraries because I need a specific format of epub for a given device and use standard epubs for everything else. OPDS works great, but I'm wondering if there is a way to tailor what a given reader will show. Specifically I'm wondering if two different things are possible -

1) Is there a way to default to a specific library via OPDS, possible through the URL being used? I can select one library or the other with the OPDS reader, but it would be nice to just default to a specific one.

2) Is there a server side way to limit which categories are fed to OPDS? I don't need to be able to browse by publisher, language, or rating as an example. Is there a way to stop those from being sent?

kovidgoyal · 09-16-2026, 03:55 AM

Library yes, as with all the server URLs you specify a specific library with ?library_id=whatever

the rest no, OPDS is meant to be client controlled not server controlled.

malkie13 · 09-16-2026, 01:33 PM

(Apologies for dual post if that happens, I thought I quick replied and it disappeared, so I'm trying again)

This worked great AND I can still hop to the other library from the reader if I want to.

I still wonder if there's a way to manipulate what gets fed out to the OPDS feed. I've used three different OPDS servers (Calibre Content, Mayberry, and TinyOPDS) on the literal same directory of files, and all three have different feeds when viewed from the same reader. I have to assume that something is happening server side which changes what gets published to the feed, though it sounds like there is not a way to change that within Calibre as is currently exists.

Is it potentially something that could be changed via plugin?

09-16-2026, 03:39 AM	#1
malkie13 Member Posts: 16 Karma: 10 Join Date: Feb 2009 Device: PRS-505	OPDS Options Running Calibre itself (not web) and using the content server on Windows 11, and have two libraries because I need a specific format of epub for a given device and use standard epubs for everything else. OPDS works great, but I'm wondering if there is a way to tailor what a given reader will show. Specifically I'm wondering if two different things are possible - 1) Is there a way to default to a specific library via OPDS, possible through the URL being used? I can select one library or the other with the OPDS reader, but it would be nice to just default to a specific one. 2) Is there a server side way to limit which categories are fed to OPDS? I don't need to be able to browse by publisher, language, or rating as an example. Is there a way to stop those from being sent?

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09-16-2026, 03:55 AM	#2
kovidgoyal creator of calibre Posts: 46,491 Karma: 29634066 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Library yes, as with all the server URLs you specify a specific library with ?library_id=whatever the rest no, OPDS is meant to be client controlled not server controlled.

09-16-2026, 01:33 PM	#3
malkie13 Member Posts: 16 Karma: 10 Join Date: Feb 2009 Device: PRS-505	(Apologies for dual post if that happens, I thought I quick replied and it disappeared, so I'm trying again) This worked great AND I can still hop to the other library from the reader if I want to. I still wonder if there's a way to manipulate what gets fed out to the OPDS feed. I've used three different OPDS servers (Calibre Content, Mayberry, and TinyOPDS) on the literal same directory of files, and all three have different feeds when viewed from the same reader. I have to assume that something is happening server side which changes what gets published to the feed, though it sounds like there is not a way to change that within Calibre as is currently exists. Is it potentially something that could be changed via plugin?

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