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Kilo Code uses NagaAI as a custom provider on the Responses API, and any chat model from the catalog can answer. Messages works as well. The fields below follow the Kilo Code docs.

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Before you start

You need a NagaAI API key and Kilo Code installed in your editor.

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Connect Kilo Code

1

Add the provider

Open Settings → Providers → Custom provider and fill in the fields.
2

Pick a model

Kilo Code loads the model list from /v1/models. The list includes image, audio and embedding models, so search for the chat model you want, such as anthropic/claude-sonnet-5.5.
3

Set the context limit

Set the context limit of each model you use. Without it Kilo Code assumes 0 and can’t manage the context. Take the value from limits.context_window of the model’s chat operation in /v1/models.
4

Check the connection

Send a short task. The request appears in Logs in your dashboard.

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Use a config file

The same provider fits in ~/.config/kilo/kilo.json. With @ai-sdk/openai, Kilo Code sends Responses requests with store: false, so each turn carries the full history:

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Troubleshooting

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401 invalid_api_key

Kilo Code sent no key or a wrong one. Re-enter your NagaAI API key in the provider settings. A provisioning key doesn’t work there.

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Context errors or no context management

The model has no context limit in Kilo Code. Set it from limits.context_window, as in the third step.