---
title: inspect
sidebarTitle: inspect
---

# `fastmcp.utilities.inspect`


Utilities for inspecting FastMCP instances.

## Functions

### `inspect_fastmcp_v2` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L83" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
inspect_fastmcp_v2(mcp: FastMCP[Any]) -> FastMCPInfo
```


Extract information from a FastMCP v2.x instance.

**Args:**
- `mcp`: The FastMCP v2.x instance to inspect

**Returns:**
- FastMCPInfo dataclass containing the extracted information


### `inspect_fastmcp_v1` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L185" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
inspect_fastmcp_v1(mcp: FastMCP1x) -> FastMCPInfo
```


Extract information from a FastMCP v1.x instance using a Client.

**Args:**
- `mcp`: The FastMCP v1.x instance to inspect

**Returns:**
- FastMCPInfo dataclass containing the extracted information


### `inspect_fastmcp` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L306" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
inspect_fastmcp(mcp: FastMCP[Any] | FastMCP1x) -> FastMCPInfo
```


Extract information from a FastMCP instance into a dataclass.

This function automatically detects whether the instance is FastMCP v1.x or v2.x
and uses the appropriate extraction method.

**Args:**
- `mcp`: The FastMCP instance to inspect (v1.x or v2.x)

**Returns:**
- FastMCPInfo dataclass containing the extracted information


## Classes

### `ToolInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L17" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>


Information about a tool.


### `PromptInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L30" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>


Information about a prompt.


### `ResourceInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L42" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>


Information about a resource.


### `TemplateInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L55" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>


Information about a resource template.


### `FastMCPInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L68" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>


Information extracted from a FastMCP instance.