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BetaAsyncBuiltinFunctionTool Class — anthropic-sdk-python Architecture

Architecture documentation for the BetaAsyncBuiltinFunctionTool class in _beta_functions.py from the anthropic-sdk-python codebase.

Class python ExtensibilityTools

Entity Profile

Dependency Diagram

graph TD
  a076b136_74cf_8d21_4bad_0286750910e3["BetaAsyncBuiltinFunctionTool"]
  2f4a4b61_2541_5c7b_c70e_93f4b752f987["_beta_functions.py"]
  a076b136_74cf_8d21_4bad_0286750910e3 -->|defined in| 2f4a4b61_2541_5c7b_c70e_93f4b752f987
  e8916034_d4bd_28d3_503d_525501c3fba8["to_dict()"]
  a076b136_74cf_8d21_4bad_0286750910e3 -->|method| e8916034_d4bd_28d3_503d_525501c3fba8
  685e05ef_3a4c_58b1_2146_7defe2c5a8a6["call()"]
  a076b136_74cf_8d21_4bad_0286750910e3 -->|method| 685e05ef_3a4c_58b1_2146_7defe2c5a8a6
  980c2dc2_1eda_4eea_e1c9_b96c84045c95["name()"]
  a076b136_74cf_8d21_4bad_0286750910e3 -->|method| 980c2dc2_1eda_4eea_e1c9_b96c84045c95

Relationship Graph

Source Code

src/anthropic/lib/tools/_beta_functions.py lines 48–60

class BetaAsyncBuiltinFunctionTool(ABC):
    @abstractmethod
    def to_dict(self) -> BetaToolUnionParam: ...

    @abstractmethod
    async def call(self, input: object) -> BetaFunctionToolResultType: ...

    @property
    def name(self) -> str:
        raw = self.to_dict()
        if "mcp_server_name" in raw:
            return raw["mcp_server_name"]
        return raw["name"]

Domain

Defined In

Source

Frequently Asked Questions

What is the BetaAsyncBuiltinFunctionTool class?
BetaAsyncBuiltinFunctionTool is a class in the anthropic-sdk-python codebase, defined in src/anthropic/lib/tools/_beta_functions.py.
Where is BetaAsyncBuiltinFunctionTool defined?
BetaAsyncBuiltinFunctionTool is defined in src/anthropic/lib/tools/_beta_functions.py at line 48.

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