# Introspection

> USearch for Wolfram

- `DenseDescribe[receiver]` answers the metric, quantization, dimensions, connectivity, size, capacity, memory usage and dispatched capabilities.
- `DenseHealth[receiver]` answers `<|"Audited"->…, "Reachable"->…, "Sweeps"->…|>`: the entries published when the audit started, how many of them a search reaches, and the levels the sweep took to converge.
- `DenseCount[receiver, key]` counts the entries under one key.
- `VersionName[]`, `CapabilitiesCompiled[]` and `CapabilitiesAvailable[]` describe the library itself.

`Needs["USearch`"]`

## DenseHealth

`DenseHealth[receiver]` audits how much of the graph a search can reach, leaving the index unchanged.

```mathematica
DenseHealth[receiver]
```

## DenseCount

`DenseCount[receiver, key]` counts the entries stored under key.

```mathematica
DenseCount[receiver, key]
```

## DenseDescribe

`DenseDescribe[receiver]` reports the index's frozen metadata and current counters.

```mathematica
DenseDescribe[receiver]
```

## VersionName

`VersionName[]` gives the library's semantic version.

```mathematica
VersionName[]
```

## CapabilitiesCompiled

`CapabilitiesCompiled[]` lists the kernel families this build carries.

```mathematica
CapabilitiesCompiled[]
```

## CapabilitiesAvailable

`CapabilitiesAvailable[]` lists the kernel families this machine can run.

```mathematica
CapabilitiesAvailable[]
```