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Evan Mattson 8bb4692678 Python: Add base_url parameter to AnthropicClient and RawAnthropicClient (#5685 )

* feat(anthropic): add base_url parameter to AnthropicClient and RawAnthropicClient

Add base_url support to AnthropicSettings TypedDict, RawAnthropicClient,
and AnthropicClient so users can point the client at Foundry or other
Anthropic-compatible endpoints without having to construct AsyncAnthropic
manually.

- Add base_url field to AnthropicSettings (resolved from ANTHROPIC_BASE_URL env var)
- Add base_url parameter to RawAnthropicClient.__init__ and pass it to AsyncAnthropic
- Add base_url parameter to AnthropicClient.__init__ and forward to super
- Add unit tests for base_url on both client classes

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Python: Add `base_url` parameter to `AnthropicClient` and `RawAnthropicClient`

Fixes #5683

* test: add ANTHROPIC_BASE_URL env fallback tests for issue #5683

Add unit tests verifying that both AnthropicClient and RawAnthropicClient
pick up base_url from the ANTHROPIC_BASE_URL environment variable via
load_settings when base_url is not passed explicitly as a constructor arg.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* test(anthropic): explicit base_url kwarg beats ANTHROPIC_BASE_URL env var (#5683)

Add regression tests asserting that when both ANTHROPIC_BASE_URL is set
in the environment *and* an explicit base_url kwarg is passed to
AnthropicClient / RawAnthropicClient, the explicit kwarg wins.

This closes the priority-ordering contract (explicit arg > env var) that
the existing tests left implicit.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

8bb4692678 · 2026-05-07 17:57:09 +00:00

History

agent_framework_anthropic

Python: Add base_url parameter to AnthropicClient and RawAnthropicClient (#5685 )

2026-05-07 17:57:09 +00:00

tests

Python: Add base_url parameter to AnthropicClient and RawAnthropicClient (#5685 )

2026-05-07 17:57:09 +00:00

AGENTS.md

Python: [BREAKING] Standardize model selection on model (#4999 )

2026-04-01 19:00:18 +00:00

LICENSE

Python: Introducing the Anthropic Client (#1819 )

2025-11-03 19:32:28 +00:00

pyproject.toml

Python: bump package versions for 1.2.2 release (#5561 )

2026-04-29 17:51:48 +09:00

README.md

Python: [BREAKING] Standardize model selection on model (#4999 )

2026-04-01 19:00:18 +00:00

README.md

Get Started with Microsoft Agent Framework Anthropic

Please install this package via pip:

pip install agent-framework-anthropic --pre

Anthropic Integration

The Anthropic integration enables communication with the Anthropic API, allowing your Agent Framework applications to leverage Anthropic's capabilities.

The package also includes Anthropic-hosted transport wrappers for:

Azure AI Foundry via AnthropicFoundryClient
Amazon Bedrock via AnthropicBedrockClient
Google Vertex AI via AnthropicVertexClient

Basic Usage Example

See the Anthropic agent examples which demonstrate:

Connecting to a Anthropic endpoint with an agent
Streaming and non-streaming responses