jharness-models

OpenAI Chat Completions and Anthropic Messages adapters, DeepSeek profiles, and provider-neutral model composition for the JHarness kernel.

uv add jharness-models

from jharness.models.openai import OpenAIChatCompletionsModel

Retry and fallback compose directly around model values:

from jharness.models.decorators import FallbackModel, RetryingModel

model = FallbackModel(
    RetryingModel(primary_model, max_attempts=3),
    RetryingModel(backup_model, max_attempts=2),
)

Installing this distribution installs the exact matching jharness-kernel version. Provider configuration and composition details are in the model adapter guide.

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