# get_core_dependency_versions

> **Function** in `deepagents_code`

📖 [View in docs](https://reference.langchain.com/python/deepagents-code/extras_info/get_core_dependency_versions)

Return `(package, version)` pairs for the core ecosystem dependencies.

## Signature

```python
get_core_dependency_versions() -> list[tuple[str, str | None]]
```

## Returns

`list[tuple[str, str | None]]`

One entry per package in `CORE_DEPENDENCIES`, in declaration order.
The version is `None` when the package is not installed.

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/e14e0adcbe78565ed3650e7f24b2a775d5437d25/libs/code/deepagents_code/extras_info.py#L1002)