# 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
- **Package manager page:** <https://formulae.brew.sh/formula/cppinsights>
- **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>
- **Upstream docs:** <https://cppinsights.io/>
- **License:** MIT
- **Source archive:** <https://github.com/andreasfertig/cppinsights/archive/refs/tags/v_21.1.tar.gz>
- **Last updated:** 2026-06-22T14:03:05-07:00
- **Generated:** 2026-07-08T07:18:31+00:00

## Executables

- insights (cli)
- insights (alias)

## Dependencies

- llvm@21

## Build dependencies

- cmake

## Install behavior

- Post-install hook: not defined
- Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux

## Freshness

- Page generated: 2026-07-08
- Package-manager version: 21.1
- Package-manager updated: 2026-06-22
- Local data: ok
- Upstream repository: https://github.com/andreasfertig/cppinsights
- info: No cached GitHub release or tag data was available.
## 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.


## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** cppinsights
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable


## Related links

- [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Text processing packages](https://www.automicvault.com/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata.
- [Developer build packages](https://www.automicvault.com/pkg/developer-build-tools/) - Matched build, compiler, generator, or developer workflow metadata.
- [Language runtime packages](https://www.automicvault.com/pkg/language-runtime-packages/) - Matched language runtime, compiler, or interpreter metadata.
- [llvm@21](https://www.automicvault.com/pkg/brew/llvm-21/) - Runtime dependency declared by Homebrew.
- [cmake](https://www.automicvault.com/pkg/brew/cmake/) - Build dependency declared by Homebrew.
- [cargo-llvm-lines](https://www.automicvault.com/pkg/brew/cargo-llvm-lines/) - Shares av.db curated category or tags: cli, code-analysis, developer-tools.
- [castxml](https://www.automicvault.com/pkg/brew/castxml/) - Shares av.db curated category or tags: c-plus-plus, cli, code-analysis, developer-tools.
- [clang-include-graph](https://www.automicvault.com/pkg/brew/clang-include-graph/) - Shares av.db curated category or tags: cli, code-analysis, developer-tools.
- [clang-uml](https://www.automicvault.com/pkg/brew/clang-uml/) - Shares av.db curated category or tags: cli, code-analysis, developer-tools.
- [cloc](https://www.automicvault.com/pkg/brew/cloc/) - Shares av.db curated category or tags: cli, code-analysis, developer-tools.
- [fallow](https://www.automicvault.com/pkg/brew/fallow/) - Shares av.db curated category or tags: cli, code-analysis, developer-tools.
- [loc](https://www.automicvault.com/pkg/brew/loc/) - Shares av.db curated category or tags: cli, code-analysis, developer-tools.
- [ohcount](https://www.automicvault.com/pkg/brew/ohcount/) - Shares av.db curated category or tags: cli, code-analysis, developer-tools.
- [creduce](https://www.automicvault.com/pkg/brew/creduce/) - Local package facts share a topical domain. Shared terms: c-plus-plus, cli, compiler, developer, developer-tools.

## Combined YAML source

View the package source record on GitHub. [combined/cppinsights.yml](https://github.com/automic-vault/db/blob/main/combined/cppinsights.yml)


## Sources

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- curated package history
- package version freshness
- av.db category and tag curation
- package relationship graph
- cross-ecosystem install command graph
