Ollama custom provider error : agent configured model is not valid #8950

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1. jmtemmos

   added

   bugSomething isn't workingSomething isn't working

   on Jan 16, 2026
2. jmtemmos

   changed the title [-]Ollama custum provide : agent configured model is not valid[/-] [+]Ollama custom provider error : agent configured model is not valid[/+] on Jan 16, 2026
3. github-actions

   assigned

   rekram1-node

   on Jan 16, 2026
4. github-actions commented on Jan 16, 2026

   

   github-actionsBot

   on Jan 16, 2026 – with GitHub Actions

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   This issue might be a duplicate of existing issues. Please check:

   • Using local Ollama models doesnt return any results. #7083: Using local Ollama models doesnt return any results (similar Ollama model configuration issues)
   • Custom subagents with explicit model config throw ProviderModelNotFoundError #5623: Custom subagents with explicit model config throw ProviderModelNotFoundError (agent model configuration validation)
   • ProviderModelNotFoundError for custom provider in GitHub Action (worked until 07 Jan) #7958: ProviderModelNotFoundError for custom provider in GitHub Action (custom provider model validation failures)
   • Custom OpenAI-compatible provider options not being passed to API calls #5674: Custom OpenAI-compatible provider options not being passed to API calls (custom provider configuration issues)
   • ProviderModelNotFoundError: minimax/MiniMax-M2.1 #6691: ProviderModelNotFoundError: minimax/MiniMax-M2.1 (similar model validation errors in different context)

   Feel free to ignore if none of these address your specific case.
5. jmtemmos commented on Jan 17, 2026

   

   jmtemmos

   on Jan 17, 2026

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   Yes probably related to them. It seems to be a problem with a wide range of side effects. still not working in 1.1.125
6. jmtemmos commented on Jan 17, 2026

   

   jmtemmos

   on Jan 17, 2026

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   Ok. Problem solved.

   all of a sudden, since probably version 1.1.123, it appears that in agent markdown conf:

   model: ollama/gpt-oss:20b-opencode

   does not work anymore.

   Now doubles quotes are required. So replacing by

   model: "ollama/gpt-oss:20b-opencode"

   fixed the problem for me :)

   Had to do it in all agent markdown files.

   Hope it will help

   👍React with 👍5Reacted by Askar, zutto, Luke Mattfeld, aikakira and 林博仁 Buo-ren Lin
7. ezterry commented on Jan 31, 2026

   

   ezterry

   on Jan 31, 2026

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   Yes quotes fixed it, ideally https://opencode.ai/docs/agents/#markdown is updated to show this if this is intended
8. rekram1-node commented on Jan 31, 2026

   

   rekram1-node

   on Jan 31, 2026

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   The quotes shouldn't be required, I think there was a frontmatter bug but it should just work fine without them on latest
9. ezterry commented on Jan 31, 2026

   

   ezterry

   on Jan 31, 2026

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   ok I can confirm re built container today 1.1.48 works the one from 6 days ago did not
10. github-actions commented on Apr 2, 2026

    

    github-actionsBot

    on Apr 2, 2026 – with GitHub Actions

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    To stay organized issues are automatically closed after 90 days of no activity. If the issue is still relevant please open a new one.
11. github-actions

    closed this as completedon Apr 2, 2026