Agent skill

Lizard Language Support

by terryyin in terryyin/lizard

Add or modify a Lizard language reader. An agent skill from terryyin/lizard.

Custom licenceAuto-check passedAI & LLM Engineering

Install Lizard Language Support

skills CLI
$ npx skills add terryyin/lizard --skill lizard-language-support -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install terryyin/lizard lizard-language-support --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/terryyin/lizard.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/lizard-language-support .claude/skills/lizard-language-support && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
lizard-language-support
GitHub stars
2.5k
Token cost
~1.1k tokens
SKILL.md length
304 words
Files
1
Skills in repo
19
Repo updated
First seen
Licence
Custom licence

At a glance

Add or modify a Lizard language reader. An agent skill from terryyin/lizard.

  • Works in 4 steps: Create Language Reader Class → Implement Token Generation → State Machine Implementation → …
  • Adding language support
  • SKILL.md covers Overview, Step-by-Step Guide, Key Concepts and Best Practices, plus 3 more sections
  • Calls python

What it does

Lizard Language Support is an agent skill from terryyin/lizard. Add or modify a Lizard language reader. Use when adding language support, changing tokenization or state-machine parsing, or working in lizardlanguages/ or test/testlanguages/.

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in AI & LLM Engineering, covering Natural language processing. The repository describes itself as: A simple code complexity analyser without caring about the C/C++ header files or Java imports, supports most of the popular languages.

When your agent uses it

  • Adding language support
  • Changing tokenization
  • State-machine parsing
  • Working in lizardlanguages/

Example prompts

  • “/lizard-language-support”

Requirements

  • Python 3

Workflow steps

4 steps, taken from the step headings in SKILL.md.

  1. Create Language Reader Class
  2. Implement Token Generation
  3. State Machine Implementation
  4. Add Test Cases

What it can do on your machine

Read from SKILL.md and the folder at commit d5228c1. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • python

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Lizard Language Support loads about 1.1k tokens when it runs. Until then it costs about 51 tokens; SKILL.md has 304 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~51
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 304 words (~1,057 tokens).

“This guide explains how to add or modify support for programming languages in the Lizard code complexity analyzer.”

— opening of SKILL.md by terryyin, Custom licence
name
lizard-language-support
paths
lizard_languages/**, test/test_languages/**

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/lizard-language-support of terryyin/lizard.

Open the folder on GitHubat commit d5228c1

Compare with similar skills

Lizard Language Support next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Lizard Language Support compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Lizard Language Support this skillterryyin/lizard2.5k—~1.1kAutomated safety check: PassCustom licence
Hugging Face TokenizersOrchestra-Research/AI-Research-SKILLs13k7 repos~3.4kAutomated safety check: PassMIT
OpenMed Model Card Writermaziyarpanahi/openmed5.5k—~1.8kAutomated safety check: PassApache-2.0
Gptqmodel Tokenizer NormalizationModelCloud/GPTQModel1.3k—~1.1kAutomated safety check: PassCustom licence
Comparetaishi-i/awesome-japanese-nlp-resources1k1 repos~4.1kAutomated safety check: NotesCC0-1.0
Researchtaishi-i/awesome-japanese-nlp-resources1k1 repos~3.5kAutomated safety check: NotesCC0-1.0

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Questions about Lizard Language Support

What does Lizard Language Support do?

Add or modify a Lizard language reader. An agent skill from terryyin/lizard. Lizard Language Support is an agent skill from terryyin/lizard. Add or modify a Lizard language reader.

When should I use Lizard Language Support?

Lizard Language Support fits situations like: adding language support; changing tokenization; state-machine parsing; working in lizardlanguages/.

How do I install Lizard Language Support in Claude Code?

Run `npx skills add terryyin/lizard --skill lizard-language-support -a claude-code`. Or copy the skill folder (.agents/skills/lizard-language-support in terryyin/lizard) into .claude/skills/lizard-language-support in your project. Claude Code loads it when a task matches its description.

How do I install Lizard Language Support in Codex?

Run `npx skills add terryyin/lizard --skill lizard-language-support -a codex`. Or copy the skill folder (.agents/skills/lizard-language-support in terryyin/lizard) into .agents/skills/lizard-language-support in your project. Codex loads it when a task matches its description.

Can I use Lizard Language Support in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add terryyin/lizard --skill lizard-language-support -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/lizard-language-support, .gemini/skills/lizard-language-support, .github/skills/lizard-language-support and .opencode/skills/lizard-language-support in your project.

What does Lizard Language Support need to run?

Going by SKILL.md and its folder, Lizard Language Support needs the command-line tools its instructions call (python). Our summary lists: Python 3.

Does Lizard Language Support access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Lizard Language Support safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Lizard Language Support use?

Lizard Language Support has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Lizard Language Support use?

About 1.1k tokens (SKILL.md is roughly 4.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Lizard Language Support?

Skills that share tags, products or a category with Lizard Language Support: Hugging Face Tokenizers (Orchestra-Research/AI-Research-SKILLs, 13k stars), OpenMed Model Card Writer (maziyarpanahi/openmed, 5.5k stars), Gptqmodel Tokenizer Normalization (ModelCloud/GPTQModel, 1.3k stars) and Compare (taishi-i/awesome-japanese-nlp-resources, 1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Lizard Language Support?

terryyin (a GitHub user) maintains it in terryyin/lizard, which has 2,549 GitHub stars. The repository holds 19 skills in this directory. The repository was last updated on October 6, 2026.

Source: terryyin/lizard on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.