# FileTokenStorage

> **Class** in `deepagents_code`

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

File-backed `TokenStorage` under `~/.deepagents/.state/mcp-tokens/`.

## Signature

```python
FileTokenStorage(
    self,
    server_name: str,
    *,
    server_url: str | None = None,
)
```

## Extends

- `TokenStorage`

## Constructors

```python
__init__(
    self,
    server_name: str,
    *,
    server_url: str | None = None,
) -> None
```

| Name | Type |
|------|------|
| `server_name` | `str` |
| `server_url` | `str \| None` |


## Properties

- `path`

## Methods

- [`get_tokens()`](https://reference.langchain.com/python/deepagents-code/mcp_auth/FileTokenStorage/get_tokens)
- [`set_tokens()`](https://reference.langchain.com/python/deepagents-code/mcp_auth/FileTokenStorage/set_tokens)
- [`get_client_info()`](https://reference.langchain.com/python/deepagents-code/mcp_auth/FileTokenStorage/get_client_info)
- [`set_client_info()`](https://reference.langchain.com/python/deepagents-code/mcp_auth/FileTokenStorage/set_client_info)
- [`get_oauth_metadata()`](https://reference.langchain.com/python/deepagents-code/mcp_auth/FileTokenStorage/get_oauth_metadata)
- [`set_oauth_metadata()`](https://reference.langchain.com/python/deepagents-code/mcp_auth/FileTokenStorage/set_oauth_metadata)
- [`set_tokens_and_client_info()`](https://reference.langchain.com/python/deepagents-code/mcp_auth/FileTokenStorage/set_tokens_and_client_info)
- [`get_expires_at()`](https://reference.langchain.com/python/deepagents-code/mcp_auth/FileTokenStorage/get_expires_at)
- [`stored_loopback_port()`](https://reference.langchain.com/python/deepagents-code/mcp_auth/FileTokenStorage/stored_loopback_port)
- [`discard_client_info_if_loopback_unusable()`](https://reference.langchain.com/python/deepagents-code/mcp_auth/FileTokenStorage/discard_client_info_if_loopback_unusable)

---

[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/d1c6946218b4f0f86ab7b02b6bb6af1e4b75cede/libs/code/deepagents_code/mcp_auth.py#L218)