Agent skill

Fantasia Worldbuilding Domain

by vishiri in vishiri/fantasia-archive

Aligns AI suggestions with Fantasia Archive as a worldbuilding database manager: projects, documents, and in-app concepts.

GPL-3.0Auto-check passedWriting & Content

Install Fantasia Worldbuilding Domain

skills CLI
$ npx skills add vishiri/fantasia-archive --skill fantasia-worldbuilding-domain -a claude-code

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

GitHub CLI
$ gh skill install vishiri/fantasia-archive fantasia-worldbuilding-domain --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/vishiri/fantasia-archive.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.cursor/skills/fantasia-worldbuilding-domain .claude/skills/fantasia-worldbuilding-domain && 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
fantasia-worldbuilding-domain
GitHub stars
409
Token cost
~408 tokens
SKILL.md length
137 words
Files
1
Skills in repo
35
Repo updated
First seen
Licence
GPL-3.0

At a glance

Aligns AI suggestions with Fantasia Archive as a worldbuilding database manager: projects, documents, and in-app concepts.

  • Copy that should match the product purpose
  • SKILL.md covers What the app is, Vocabulary (prefer in UI and…, License and Implementation note, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Tasks that involve Creative writing and fiction

What it does

Fantasia Worldbuilding Domain is an agent skill from vishiri/fantasia-archive. Aligns AI suggestions with Fantasia Archive as a worldbuilding database manager: projects, documents, and in-app concepts. Use when designing UX, data models, menus, or copy that should match the product purpose.

Its SKILL.md is about 410 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 Writing & Content, covering Creative writing and fiction. The repository describes itself as: A world-builder's best friend! The licence is GPL-3.0.

When your agent uses it

  • Copy that should match the product purpose
  • Tasks that involve Creative writing and fiction

Example prompts

  • “Use the fantasia-worldbuilding-domain skill to align AI suggestions with Fantasia Archive as a worldbuilding database manager: projects, documents…”
  • “/fantasia-worldbuilding-domain”

What it can do on your machine

Read from SKILL.md and the folder at commit 26d4648. 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

    No scripts in the folder and no shell commands in SKILL.md.

    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

Fantasia Worldbuilding Domain loads about 408 tokens when it runs. Until then it costs about 61 tokens; SKILL.md has 137 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~61
When it runs · the whole SKILL.md, loaded when a task matches
~408

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

The full file from vishiri/fantasia-archive at commit 26d4648, republished under its GPL-3.0 licence (© vishiri). 137 words, ~408 tokens.

Download SKILL.mdSave it as .claude/skills/fantasia-worldbuilding-domain/SKILL.md (or your agent's skills folder).
name
fantasia-worldbuilding-domain
description
Aligns AI suggestions with Fantasia Archive as a worldbuilding database manager: projects, documents, and in-app concepts. Use when designing UX, data models, menus, or copy that should match the product purpose.

Fantasia Archive — product domain

What the app is

  • Fantasia Archive — worldbuilding database manager (GPL-3.0)
  • Users organize fictional worlds as projects and documents (+ search, tree, noteboard, settings — AppControlMenus/_data/)
  • Floating Window* (e.g. App styling) = app chrome for theme/CSS — not in-universe lore. See AGENTS.md Floating Window*

Vocabulary (prefer in UI and models)

  • Project: worldbuilding dataset container (new/save/load/export)
  • Document: content unit in .faproject documents table — not i18n help/license markdown
  • Template: form schema via template_id; v4 = display name on document_templates; custom fields in templateCustomFields.md
  • Custom field: typed template slot with stable field_id; document values keyed by id, merged at read
  • Tools / settings: app behavior — distinct from in-universe lore unless intentionally meta

License

GPL-3.0 — respect for third-party integration and distribution.

Implementation note

Many menu items still trigger: undefined / TODO — keep terminology consistent with domain + existing i18n keys.

Types

Shared types → types/. See types-folder.mdc.

© vishiri, GPL-3.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .cursor/skills/fantasia-worldbuilding-domain of vishiri/fantasia-archive.

Open the folder on GitHubat commit 26d4648

Compare with similar skills

Fantasia Worldbuilding Domain 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.

Fantasia Worldbuilding Domain compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Fantasia Worldbuilding Domain this skillvishiri/fantasia-archive409—~408Automated safety check: PassGPL-3.0
Story Multi-Perspective Reviewzenstory-ai/oh-story-claudecode7.4k3 repos~3kAutomated safety check: PassMIT
Short Web Fiction Trend Scanzenstory-ai/oh-story-claudecode7.4k2 repos~1.2kAutomated safety check: PassMIT
InkOS Creative HarnessNarcooo/inkos10k1 repos~1.1kAutomated safety check: PassAGPL-3.0
Novel Arteternityspring/shuohao-skills4.3k—~1.1kAutomated safety check: NotesApache-2.0
SepiaNanako0129/sepia3.1k—~3.6kAutomated safety check: PassMIT

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  • Cavecrew

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Questions about Fantasia Worldbuilding Domain

What does Fantasia Worldbuilding Domain do?

Aligns AI suggestions with Fantasia Archive as a worldbuilding database manager: projects, documents, and in-app concepts. Fantasia Worldbuilding Domain is an agent skill from vishiri/fantasia-archive. Aligns AI suggestions with Fantasia Archive as a worldbuilding database manager: projects, documents, and in-app concepts.

When should I use Fantasia Worldbuilding Domain?

Fantasia Worldbuilding Domain fits situations like: copy that should match the product purpose; tasks that involve Creative writing and fiction.

How do I install Fantasia Worldbuilding Domain in Claude Code?

Run `npx skills add vishiri/fantasia-archive --skill fantasia-worldbuilding-domain -a claude-code`. Or copy the skill folder (.cursor/skills/fantasia-worldbuilding-domain in vishiri/fantasia-archive) into .claude/skills/fantasia-worldbuilding-domain in your project. Claude Code loads it when a task matches its description.

How do I install Fantasia Worldbuilding Domain in Codex?

Run `npx skills add vishiri/fantasia-archive --skill fantasia-worldbuilding-domain -a codex`. Or copy the skill folder (.cursor/skills/fantasia-worldbuilding-domain in vishiri/fantasia-archive) into .agents/skills/fantasia-worldbuilding-domain in your project. Codex loads it when a task matches its description.

Can I use Fantasia Worldbuilding Domain 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 vishiri/fantasia-archive --skill fantasia-worldbuilding-domain -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/fantasia-worldbuilding-domain, .gemini/skills/fantasia-worldbuilding-domain, .github/skills/fantasia-worldbuilding-domain and .opencode/skills/fantasia-worldbuilding-domain in your project.

What does Fantasia Worldbuilding Domain need to run?

SKILL.md names no scripts, command-line tools or credentials: Fantasia Worldbuilding Domain is instructions for the agent only.

Does Fantasia Worldbuilding Domain 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 Fantasia Worldbuilding Domain 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 Fantasia Worldbuilding Domain use?

Fantasia Worldbuilding Domain is published under the GPL-3.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Fantasia Worldbuilding Domain use?

About 408 tokens (SKILL.md is roughly 1.6k 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 Fantasia Worldbuilding Domain?

Skills that share tags, products or a category with Fantasia Worldbuilding Domain: Story Multi-Perspective Review (zenstory-ai/oh-story-claudecode, 7.4k stars), Short Web Fiction Trend Scan (zenstory-ai/oh-story-claudecode, 7.4k stars), InkOS Creative Harness (Narcooo/inkos, 10k stars) and Novel Art (eternityspring/shuohao-skills, 4.3k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Fantasia Worldbuilding Domain?

vishiri (a GitHub user) maintains it in vishiri/fantasia-archive, which has 409 GitHub stars. The repository holds 35 skills in this directory. The repository was last updated on October 7, 2026.

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