# Install cppinsights with Homebrew

See your source code with the eyes of a compiler. Version 21.1 via Homebrew; verified 2026-06-22.

## Install

```sh
sudo av install brew:cppinsights
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install cppinsights
```

  Evidence: local Homebrew formula metadata

## Package facts

- **Package key:** brew:cppinsights
- **Package manager:** Homebrew
- **Version:** 21.1
- **Source summary:** See your source code with the eyes of a compiler
- **Homepage:** <https://cppinsights.io/>
- **Repository:** <https://github.com/andreasfertig/cppinsights>
- **Last updated:** 2026-06-22T14:03:05-07:00
- **Generated:** 2026-08-03T19:37:03+00:00

## Executables

- insights (alias)

## Install behavior

- Bottle: not available

## Freshness

- Page generated: 2026-08-03
- Package-manager version: 21.1
## Project history and usage

C++ Insights is a Clang-based source-to-source transformation tool that shows C++ code in a form closer to what the compiler sees.

### Project history

Andreas Fertig describes the project as emerging from 2017 work on C++11, C++14, and C++17 features such as lambdas, range-based for loops, and structured bindings. The tool started with transformations for those features and grew into a broader educational compiler-visualization tool.

### Adoption history

The project is distributed both as an online service at cppinsights.io and as a buildable command-line tool, which helped it become useful for teaching, talks, and local experimentation with compiler transformations.

### How it is used

The packaged command is insights. Typical local usage passes a C++ file followed by compiler arguments, for example a language standard flag, so the tool can perform Clang-backed transformations with the intended compilation context.

### Why package nerds care

For package maintainers, C++ Insights is interesting because it packages a Clang-dependent educational tool rather than a conventional compiler. Its build can be done inside or outside the LLVM/Clang source tree, and upstream documents platform-specific build considerations.

### Timeline

- 2017: Fertig began the work that led to C++ Insights while exploring newer C++ language features.
- 2020s: Upstream documentation continues to track newer C++ standards and Clang behavior.

### Related projects

- Upstream explicitly relates the tool to Clang AST dumps and Compiler Explorer, while distinguishing C++ Insights by producing transformed C++ source rather than assembly or raw AST output.

### Sources

- <https://docs.cppinsights.io/>
- <https://cppinsights.io/>
- <https://github.com/andreasfertig/cppinsights#readme>


## Security Notes

No matching local secret-handling manifest was found for cppinsights. Nucleus package metadata is still published here so future coverage has a stable package URL.



## Combined YAML source

View the package source record on GitHub. [combined/cppinsights.yml](https://github.com/mxcl/pkgdb/blob/main/combined/cppinsights.yml)


## Sources

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- cross-ecosystem install command graph