my prefect server setup
prefect-metrics.waow.tech
python
orchestration
fix: construct AnthropicModel directly with provider
passing "anthropic:claude-haiku-4-5" as the model string causes
infer_model() to create a new AnthropicProvider() with no key,
ignoring the provider kwarg. construct AnthropicModel directly instead.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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flows/curate.py
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flows/curate.py
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import duckdb
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from pydantic_ai import Agent
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from pydantic_ai.durable_exec.prefect import PrefectAgent, TaskConfig
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from pydantic_ai.models.anthropic import AnthropicModel
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from pydantic_ai.providers.anthropic import AnthropicProvider
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from prefect import flow, task, get_run_logger
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from prefect.blocks.system import Secret
···
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def make_agent(api_key: str) -> PrefectAgent[Briefing]:
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"""Build agent after API key is available (provider validates key at init)."""
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model = AnthropicModel("claude-haiku-4-5", provider=AnthropicProvider(api_key=api_key))
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agent = Agent(
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"anthropic:claude-haiku-4-5",
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model,
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output_type=Briefing,
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system_prompt=SYSTEM_PROMPT,
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name="hub-curator",
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provider=AnthropicProvider(api_key=api_key),
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)
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return PrefectAgent(
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agent,