# Install lispkit with Homebrew

Scheme framework for extension and scripting languages on macOS and iOS. Version 2.6.1 via Homebrew; verified from local package data.

## Install

```sh
sudo av install brew:lispkit
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install lispkit
```

  Evidence: local Homebrew formula metadata

## Package facts

- **Package key:** brew:lispkit
- **Package manager:** Homebrew
- **Package manager page:** <https://formulae.brew.sh/formula/lispkit>
- **Version:** 2.6.1
- **Source summary:** Scheme framework for extension and scripting languages on macOS and iOS
- **Homepage:** <https://lisppad.app>
- **Repository:** <https://github.com/objecthub/swift-lispkit>
- **Upstream docs:** <https://lisppad.app>
- **License:** Apache-2.0
- **Source archive:** <https://github.com/objecthub/swift-lispkit/archive/refs/tags/2.6.1.tar.gz>
- **Generated:** 2026-08-04T22:13:35+00:00

## Executables

- lispkit (cli)
- lispkit (alias)

## Install behavior

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

## Freshness

- Page generated: 2026-08-04
- Package-manager version: 2.6.1
- Local data: ok
- Upstream repository: https://github.com/objecthub/swift-lispkit
- Upstream latest detected: 2.6.1 (current)
- info: No package-manager update timestamp was available.
## Project history and usage

LispKit is a Swift implementation of a Scheme system and framework for embedding Lisp-based extension and scripting languages in macOS and iOS applications. The project describes its core language as based on R7RS small Scheme, with a compiler, virtual machine, core libraries, and a command-line tool.

### Project history

LispKit grew out of the ObjectHub/LispPad ecosystem rather than from a traditional Unix Scheme lineage. Its repository positions the framework as a Swift-native way to add Scheme-like scripting to Apple-platform applications, while still exposing a large library surface for standalone use.

The project evolved alongside LispPad, a lightweight macOS IDE, and LispPad Go on iOS. Release notes for the 2.x series show continuing expansion of libraries for images, maps, PDF generation, locations, HTTP, OAuth, system integration, SQLite, JSON, archives, graphics, and other application-facing tasks.

### Adoption history

Adoption is centered on Apple-platform Scheme users, LispPad users, and Swift developers who want an embeddable scripting layer. The Homebrew package exposes the `lispkit` command-line tool, while the wider project remains tied to LispPad documentation and examples.

### How it is used

Users can run Scheme code through the `lispkit` executable or embed the framework in Swift applications. The documented library set makes it useful as a scripting language, educational Scheme environment, and application-extension runtime.

### Why package nerds care

LispKit is notable because it packages a Scheme implementation as a Swift framework and CLI rather than as a C, JVM, or traditional Lisp implementation. For package managers, it brings Apple-platform framework concerns into the language-runtime category.

### Timeline

- 2025-12-23: The 2.6.0 release notes documented bundled library documentation and new libraries for location, PDF, vision, image processing, maps, and web snapshots.
- 2026-04-26: The 2.6.1 release notes recorded fixes for image handling and examples.

### Related projects

- Related projects include LispPad, LispPad Go, NumericalScheme, the R7RS Scheme standard, and other embeddable Scheme implementations.

### Sources

- <https://github.com/objecthub/swift-lispkit>
- <https://github.com/objecthub/swift-lispkit/releases>
- <https://www.lisppad.app/libraries/lispkit/lispkit-core>
- <https://www.r7rs.org/>


## Security Notes

generalized runtime or code generation signal.

- **Geiger risk:** yellow / medium
- generalized runtime or code generation signal

## Source Database Details

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


## Related links

- [Secret-risk packages](https://pkg.so/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals.
- [Terminal utility packages](https://pkg.so/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Language runtime packages](https://pkg.so/language-runtime-packages/) - Matched language runtime, compiler, or interpreter metadata.
- [Networking and protocol packages](https://pkg.so/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [mit-scheme](https://pkg.so/brew/mit-scheme/) - Shares pkgdb curated category or tags: cli, language-runtime, lisp, scheme.
- [minimal-racket](https://pkg.so/brew/minimal-racket/) - Shares pkgdb curated category or tags: cli, language-runtime, lisp, scheme.
- [kawa](https://pkg.so/brew/kawa/) - Shares pkgdb curated category or tags: cli, language-runtime, lisp, scheme.
- [scheme48](https://pkg.so/brew/scheme48/) - Shares pkgdb curated category or tags: cli, language-runtime, lisp, scheme.
- [chibi-scheme](https://pkg.so/brew/chibi-scheme/) - Shares pkgdb curated category or tags: cli, language-runtime, scheme.
- [chicken](https://pkg.so/brew/chicken/) - Shares pkgdb curated category or tags: cli, language-runtime, scheme.
- [chezscheme](https://pkg.so/brew/chezscheme/) - Shares pkgdb curated category or tags: cli, language-runtime, scheme.
- [bigloo](https://pkg.so/brew/bigloo/) - Shares pkgdb curated category or tags: cli, language-runtime, scheme.

## Combined YAML source

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


## Sources

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