# LispCookbook/cl-cookbook

The Common Lisp Cookbook

Repository: https://github.com/LispCookbook/cl-cookbook
Canonical: https://ross.abutalabs.com/products/cl-cookbook
Homepage: http://lispcookbook.github.io/cl-cookbook/
Language: JavaScript
License: NOASSERTION
License Family: other
Topics: common-lisp, lisp, examples, cookbooks
Last push: 2026-07-28T19:07:41+00:00

## Health v2 (maintenance only)
Score: 74/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 94, release rhythm 33, longevity 100
- inputs: {"age_days": 4050, "days_push": 36, "days_rel": 233, "gap_med": 368, "n_releases_24m": 2}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1069, forks 157 (observed 2026-08-28T04:03:27.724814+00:00)

## What it is
The Common Lisp Cookbook is a community-maintained collection of code-first recipes covering Common Lisp topics from beginner basics to advanced subjects like macros, CLOS, and web development. It is published as a Jekyll website with downloadable EPUB and PDF editions.

## Use cases
- learn common lisp with practical examples
- look up how to do common tasks in common lisp
- find common lisp code recipes for strings, files, and loops
- get started with a common lisp development environment
- reference for macros, CLOS, and error handling in common lisp
- download a common lisp book in epub or pdf

## When to choose
- you want concise, example-driven answers instead of reading the HyperSpec or full books
- you are a beginner setting up Common Lisp or an intermediate developer looking up specific tasks
- you need a free, regularly updated Common Lisp reference

## When to avoid
- you need the authoritative language specification (use the HyperSpec)
- you want a structured tutorial course rather than a recipe collection
- you are not working with Common Lisp

## Facets
- artifact type: learning-resource
- maturity: active
- function: documentation, developer-tools
- domain: programming-languages, tutorials, developer-tools, documentation
- platform: cross-platform
- tags: common-lisp, cookbook, code-examples, reference, jekyll, epub, pdf, web-server

## Member repositories
- LispCookbook/cl-cookbook (main) score 74

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:27.724814+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:54:15.723937+00:00, confidence not recorded.
  - readme: https://github.com/LispCookbook/cl-cookbook (fetched 2026-08-28T04:03:27.724814+00:00, sha c487dccaf23d)
  - homepage: http://lispcookbook.github.io/cl-cookbook/ (fetched 2026-08-29T12:56:23.281498+00:00, sha b90e4e929cc8)
- Data as of 2026-08-30T08:39:29.467469+00:00.