# ToolCatalog

> **Class** in `deepagents_code`

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

Everything `dcode tools list` needs to render, in display order.

## Signature

```python
ToolCatalog(
    self,
    groups: tuple[ToolGroup, ...],
    unavailable: tuple[UnavailableServer, ...] = (),
    mcp_error: str | None = None,
)
```

## Constructors

```python
__init__(
    self,
    groups: tuple[ToolGroup, ...],
    unavailable: tuple[UnavailableServer, ...] = (),
    mcp_error: str | None = None,
) -> None
```

| Name | Type |
|------|------|
| `groups` | `tuple[ToolGroup, ...]` |
| `unavailable` | `tuple[UnavailableServer, ...]` |
| `mcp_error` | `str \| None` |


## Properties

- `groups`
- `unavailable`
- `mcp_error`

---

[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/e14e0adcbe78565ed3650e7f24b2a775d5437d25/libs/code/deepagents_code/tool_catalog.py#L114)