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PydanticKnown publisherpydantic/pydantic-ai/pydantic_ai_slim/pydantic_ai/models/anthropic/AGENTS.md

pydantic-ai / anthropic

AGENTS.md21k starsChanged 8 days agoMITView on GitHub

These rules add to models/AGENTS.md and apply to the Anthropic package only.

We split this AGENTS.md into the rules it gives an agent

3 rules. About 0 are common, 0 are distinctive, and 3 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈0

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 3

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    Keep AnthropicModel one class in __init__.py.

    line 5
  2. Very specific:

    Never import from __init__.py at runtime in a submodule.

    line 6
  3. Very specific:

    Import every submodule inside the try block of __init__.py that imports the anthropic SDK.

    line 7

≈ “Common” is an estimate: at least 1 in 5 of the 36,368 AGENTS.md files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
AGENTS.md

pydantic_ai_slim/pydantic_ai/models/anthropic/ Guidelines

These rules add to models/AGENTS.md and apply to the Anthropic package only.

  • Keep AnthropicModel one class in __init__.py. Put a module-level helper in the _*.py submodule whose docstring names its concern. Do not split the class's methods into mixins: a mixin spreads one object's state across files.
  • Never import from __init__.py at runtime in a submodule. __init__.py imports every submodule, so that import is circular. Import the name under TYPE_CHECKING instead, as _streaming.py does for AnthropicModelName.
  • Import every submodule inside the try block of __init__.py that imports the anthropic SDK. A missing SDK then raises the install hint, not a bare ImportError.
  • In a test, patch a name in the module that calls it: pydantic_ai.models.anthropic.<name> for a call in __init__.py, pydantic_ai.models.anthropic._streaming.<name> for a call in _streaming.py. Each from ._x import name creates its own binding, so a patch on the defining submodule reaches only calls inside that submodule.

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Talked about on GitHub, Bluesky, Hacker News and the web (63 times).

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