## 1.5.0 (2026-09-10)
Full Changelog: [v1.4.0...v1.5.0](https://github.com/anthropics/anthropic-sdk-python/compare/v1.4.0...v1.5.0)
### Features
* **api:** add auto mode tool permissions for Managed Agents ([62aa21b](https://github.com/anthropics/anthropic-sdk-python/commit/62aa21bb10c5d058d44ac969b06421f169495bee))
* **api:** add content_too_large web_fetch tool error code ([4b5dec6](https://github.com/anthropics/anthropic-sdk-python/commit/4b5dec6cb427528f3a4f144f11b1010be80a493b))
* **api:** add the user-profiles-2026-09-04 beta value and external_user_details to user profiles ([5f881a5](https://github.com/anthropics/anthropic-sdk-python/commit/5f881a587a730455a935ca0e85080026f0c5e6d9))
* **api:** support mounting public GitHub repositories without an authorization_token in Managed Agents sessions ([285937c](https://github.com/anthropics/anthropic-sdk-python/commit/285937cd7f4d0d63ee55735d74dbb2e643643d8c))
* **client:** add Message.to_param() and BetaMessage.to_param() ([192a2b2](https://github.com/anthropics/anthropic-sdk-python/commit/192a2b251df49f257d8f73e612b12a3c297d9a6c))
* **credentials:** add CredentialsError and IdentityTokenFileError ([9acd79f](https://github.com/anthropics/anthropic-sdk-python/commit/9acd79f3d6306c6c9d33e4f9f542db9f67f8dd80))
* **tools:** accept tool objects directly in messages.create, parse, stream and count_tokens ([ebd2fc5](https://github.com/anthropics/anthropic-sdk-python/commit/ebd2fc5cf6572b37dca115e7f82af0cc7b43d25d))
### Bug Fixes
* **client:** merge extra_body before client hooks run ([7aaf887](https://github.com/anthropics/anthropic-sdk-python/commit/7aaf887dd1ffd71b2fa5a8368afd16c39a3d3d18))
* **credentials:** refuse credentials files accessible by group or others ([7af3e2b](https://github.com/anthropics/anthropic-sdk-python/commit/7af3e2b783ff5231b0172e03c2c89d741427b25b))
* **streaming:** keep partial tool input JSON off content blocks ([4605bca](https://github.com/anthropics/anthropic-sdk-python/commit/4605bcaf758e0a87ec9257928a347b005235761c))
* **types:** leave parsed_output out of dumped text blocks ([ca0706d](https://github.com/anthropics/anthropic-sdk-python/commit/ca0706dee59642c2ec45354bca05e1b2a1fac7e1))
### Chores
* **client:** clean up the unused idempotency request option ([c97830c](https://github.com/anthropics/anthropic-sdk-python/commit/c97830cb3d1779f84d6456e45cc1717328c8c42c))
* **client:** keep the idempotency_key request option as a deprecated no-op ([#621](https://github.com/anthropics/anthropic-sdk-python/issues/621)) ([c2ab92e](https://github.com/anthropics/anthropic-sdk-python/commit/c2ab92ef19b4e482001c5ada85b29eebd5909054))
* **docs:** correct the environment scope field description ([b903ee0](https://github.com/anthropics/anthropic-sdk-python/commit/b903ee02cb192d91dab138e12c9ddf7ccde13336))
* **internal:** remove generated file header comments ([ae671f8](https://github.com/anthropics/anthropic-sdk-python/commit/ae671f8377dde9f5764ea570a3586fe138db9706))
* **internal:** restore package version ([f3aefc7](https://github.com/anthropics/anthropic-sdk-python/commit/f3aefc718125b1a1b7cc1586d11f23a6f6ed82d8))
* **internal:** restore package version ([e3c70e8](https://github.com/anthropics/anthropic-sdk-python/commit/e3c70e8d85bcba86cc4eb2bfbdf7f7bdcb71ecae))
* **internal:** stop stamping the package version into generated files ([e7a6a28](https://github.com/anthropics/anthropic-sdk-python/commit/e7a6a28a85ab26db86bb093037043d1bef4f33b2))
* **tests:** restore empty test package marker files ([0803af0](https://github.com/anthropics/anthropic-sdk-python/commit/0803af0f3a2c03ddd5e5c113ec1822f1a7380bf2))
▸ 主项目介绍 · anthropics/anthropic-sdk-python
▸ README 原文（同步于 2026-07-19 13:24）
# Claude SDK for Python
[](https://pypi.org/project/anthropic/)
The Claude SDK for Python provides access to the [Claude API](https://docs.anthropic.com/en/api/) from Python applications.
## Documentation
Full documentation is available at **[platform.claude.com/docs/en/api/sdks/python](https://platform.claude.com/docs/en/api/sdks/python)**.
## Installation
```sh
pip install anthropic
```
## Getting started
```python
import os
from anthropic import Anthropic
client = Anthropic(
api_key=os.environ.get("ANTHROPIC_API_KEY"), # This is the default and can be omitted
)
message = client.messages.create(
max_tokens=1024,
messages=[
{
"role": "user",
"content": "Hello, Claude",
}
],
model="claude-opus-4-6",
)
print(message.content)
```
## Requirements
Python 3.9+
## Contributing
See [CONTRIBUTING.md](./CONTRIBUTING.md).
## License
This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.