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Agent skill

Fantasia Action Manager

by vishiri in vishiri/fantasia-archive

Centralized renderer action manager: registry, sync FIFO queue, fire-and-forget async dispatch, unified error reporting (single console row + single toast), session-only action history, and the…

GPL-3.0Auto-check passed

Install Fantasia Action Manager

skills CLI
$ npx skills add vishiri/fantasia-archive --skill fantasia-action-manager -a claude-code

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

GitHub CLI
$ gh skill install vishiri/fantasia-archive fantasia-action-manager --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-action-manager .claude/skills/fantasia-action-manager && 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-action-manager
GitHub stars
409
Token cost
~1k tokens
SKILL.md length
254 words
Files
1
Skills in repo
35
Repo updated
First seen
Licence
GPL-3.0

At a glance

Centralized renderer action manager: registry, sync FIFO queue, fire-and-forget async dispatch, unified error reporting (single console row + single toast), session-only action history, and the…

  • Works in 6 steps: types/I_faActionManagerDomain.ts —… → faActionDefinitionHandlers.ts + row in… → Call sites → runFaAction /… → …
  • Migrating user-meaningful UI actions
  • SKILL.md covers What exists today, Single-toast rule, Migrated call sites (today) and Adding a new action (checklist), plus 4 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Fantasia Action Manager is an agent skill from vishiri/fantasia-archive. Centralized renderer action manager: registry, sync FIFO queue, fire-and-forget async dispatch, unified error reporting (single console row + single toast), session-only action history, and the DialogActionMonitor surface. Use when adding or migrating user-meaningful UI actions, when a save/dialog needs consistent failure surfacing, or when working on the in-app action monitor.

Its SKILL.md is about 1k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: A world-builder's best friend! The licence is GPL-3.0.

When your agent uses it

  • Migrating user-meaningful UI actions
  • A save/dialog needs consistent failure surfacing
  • Working on the in-app action monitor

Example prompts

  • “/fantasia-action-manager”

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. types/I_faActionManagerDomain.ts — append id + payload map entry
  2. faActionDefinitionHandlers.ts + row in faActionDefinitions.ts (kind, optional dedup)
  3. Call sites → runFaAction / runFaActionAwait
  4. i18n: reuse globalFunctionality.faActionManager.actionFailed template
  5. Tests: src/scripts/actionManager/_tests/ + call site tests; keybind routes → faKeybindRunCommand tests
  6. Strip duplicate negative Notify from handlers/stores

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 Action Manager loads about 1k tokens when it runs. Until then it costs about 101 tokens; SKILL.md has 254 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~101
When it runs · the whole SKILL.md, loaded when a task matches
~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

The full file from vishiri/fantasia-archive at commit 26d4648, republished under its GPL-3.0 licence (© vishiri). 254 words, ~1,048 tokens.

Download SKILL.mdSave it as .claude/skills/fantasia-action-manager/SKILL.md (or your agent's skills folder).
name
fantasia-action-manager
description
Centralized renderer action manager: registry, sync FIFO queue, fire-and-forget async dispatch, unified error reporting (single console row + single toast), session-only action history, and the DialogActionMonitor surface. Use when adding or migrating user-meaningful UI actions, when a save/dialog needs consistent failure surfacing, or when working on the in-app action monitor.

Fantasia Archive — action manager (faActionManager)

What exists today

  • Registry: types/I_faActionManagerDomain.ts (FA_ACTION_IDS, T_faActionId, I_faActionPayloadMap)
  • Definitions: faActionDefinitions.ts + handlers faActionDefinitionHandlers.ts; lookup findFaActionDefinition
  • Run APIs: faActionManagerRun.ts — runFaAction (fire-and-forget), runFaActionAwait → boolean
  • Sync queue: faActionManagerSyncQueue.ts — FIFO, FA_ACTION_SYNC_TIMEOUT_MS = 30_000, max 32, opt-in dedup, awaitSyncQueueDrain()
  • Async: immediate dispatch; tracked in S_FaActionManager.inFlightAsyncActions
  • Error reporting: faActionManagerErrorReporting_manager.ts — one console.error + one Notify.create per failure via reportFaActionFailure
  • History: faActionManagerHistory.ts — session ring (FA_ACTION_HISTORY_MAX = 500), snapshotActionHistory()
  • Store: S_FaActionManager.ts — mirrors runtime state; orchestration in actionManager/ scripts
  • Bridge: faActionManagerStoreBridge.ts — resolveFaActionManagerStore() boot/test safe
  • DialogActionMonitor: src/components/dialogs/DialogActionMonitor/ — snapshot on @show; story tags: ['skip-visual']
  • Menu: Help / Info → Action Monitor → runFaAction('openActionMonitorDialog')

Single-toast rule

Action manager = only error toasts for registered actions. Handlers throw or return false; stores must not emit duplicate negative Notify. Success toasts may stay in store when user-relevant.

saveProjectSettings: project name + optional worlds snapshot via faProjectWorldsPersistSnapshotFromDialog.

Migrated call sites (today)

  • Async: dev tools, settings dialogs, markdown docs, saves, window chrome, language, Action Monitor, …
  • Sync: close app, refresh after language change
  • Keybinds: faKeybindRunCommand.ts → FA_KEYBIND_COMMAND_TO_ACTION_ID → runFaAction

Adding a new action (checklist)

  1. types/I_faActionManagerDomain.ts — append id + payload map entry
  2. faActionDefinitionHandlers.ts + row in faActionDefinitions.ts (kind, optional dedup)
  3. Call sites → runFaAction / runFaActionAwait
  4. i18n: reuse globalFunctionality.faActionManager.actionFailed template
  5. Tests: src/scripts/actionManager/_tests/ + call site tests; keybind routes → faKeybindRunCommand tests
  6. Strip duplicate negative Notify from handlers/stores

File map

  • Domain: types/I_faActionManagerDomain.ts
  • Manager: src/scripts/actionManager/ (definitions, run, queue, error reporting, history, store bridge)
  • Store: src/stores/S_FaActionManager.ts
  • Monitor UI: DialogActionMonitor/
  • Menu: AppControlMenus/_data/helpInfo.ts
  • Keybinds: faKeybindRunCommand.ts
  • i18n: L_faActionManager.ts, L_DialogActionMonitor.ts

Tests

Key suites: faActionDefinitions, faActionManagerRun, faActionManagerSyncQueue, faActionManagerHistory, faActionManagerErrorReporting*, faActionManagerStoreBridge, migrated call sites, DialogActionMonitor Vitest/Playwright, checkActionMonitor.playwright.spec.ts

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-action-manager of vishiri/fantasia-archive.

Open the folder on GitHubat commit 26d4648

Compare with similar skills

Fantasia Action Manager 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 Action Manager compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Fantasia Action Manager this skillvishiri/fantasia-archive409—~1kAutomated safety check: PassGPL-3.0
ActionsJetBrains/intellij-community21k—~341Automated safety check: PassCustom licence
Laravel Actionscoollabsio/coolify63k—~2.4kAutomated safety check: PassApache-2.0
Render Blockingthedaviddias/Front-End-Checklist74k—~430Automated safety check: PassMIT
React Syncvercel/next.js143k—~486Automated safety check: PassMIT
ActionsBuilderIO/agent-native7.1k—~4.5kAutomated safety check: PassNone

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Questions about Fantasia Action Manager

What does Fantasia Action Manager do?

Centralized renderer action manager: registry, sync FIFO queue, fire-and-forget async dispatch, unified error reporting (single console row + single toast), session-only action history, and the…. Fantasia Action Manager is an agent skill from vishiri/fantasia-archive. Centralized renderer action manager: registry, sync FIFO queue, fire-and-forget async dispatch, unified error reporting (single console row + single toast), session-only action history, and the DialogActionMonitor surface.

When should I use Fantasia Action Manager?

Fantasia Action Manager fits situations like: migrating user-meaningful UI actions; A save/dialog needs consistent failure surfacing; working on the in-app action monitor.

How do I install Fantasia Action Manager in Claude Code?

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

How do I install Fantasia Action Manager in Codex?

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

Can I use Fantasia Action Manager 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-action-manager -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-action-manager, .gemini/skills/fantasia-action-manager, .github/skills/fantasia-action-manager and .opencode/skills/fantasia-action-manager in your project.

What does Fantasia Action Manager need to run?

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

Does Fantasia Action Manager 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 Action Manager 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 Action Manager use?

Fantasia Action Manager 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 Action Manager use?

About 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 Fantasia Action Manager?

Skills that share tags, products or a category with Fantasia Action Manager: Actions (JetBrains/intellij-community, 21k stars), Laravel Actions (coollabsio/coolify, 63k stars), Render Blocking (thedaviddias/Front-End-Checklist, 74k stars) and React Sync (vercel/next.js, 143k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Fantasia Action Manager?

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.