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Cria decks Mira, Studio, Studio Full e Vertical com planejamento e folhas sobrepostos, instrumentação e montagem determinística.
Install Mira Ultrafast
$ npx skills add sandeco/mira-animator --skill mira-ultrafast -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install sandeco/mira-animator mira-ultrafast --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/sandeco/mira-animator.git skills-src && mkdir -p .claude/skills && cp -r skills-src/agents/mira-ultrafast .claude/skills/mira-ultrafast && rm -rf skills-srcUse ~/.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/
Install the "mira-ultrafast" agent skill from https://github.com/sandeco/mira-animator/tree/main/agents/mira-ultrafast into .claude/skills/mira-ultrafast/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mira-ultrafast", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/sandeco/mira-animator/tree/main/agents/mira-ultrafastType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add sandeco/mira-animator --skill mira-ultrafast -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install sandeco/mira-animator mira-ultrafast --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sandeco/mira-animator.git skills-src && mkdir -p .agents/skills && cp -r skills-src/agents/mira-ultrafast .agents/skills/mira-ultrafast && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "mira-ultrafast" agent skill from https://github.com/sandeco/mira-animator/tree/main/agents/mira-ultrafast into .agents/skills/mira-ultrafast/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mira-ultrafast", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add sandeco/mira-animator --skill mira-ultrafast -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install sandeco/mira-animator mira-ultrafast --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sandeco/mira-animator.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/agents/mira-ultrafast .cursor/skills/mira-ultrafast && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "mira-ultrafast" agent skill from https://github.com/sandeco/mira-animator/tree/main/agents/mira-ultrafast into .cursor/skills/mira-ultrafast/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mira-ultrafast", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/sandeco/mira-animator.git --path agents/mira-ultrafast--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add sandeco/mira-animator --skill mira-ultrafast -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install sandeco/mira-animator mira-ultrafast --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sandeco/mira-animator.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/agents/mira-ultrafast .gemini/skills/mira-ultrafast && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "mira-ultrafast" agent skill from https://github.com/sandeco/mira-animator/tree/main/agents/mira-ultrafast into .gemini/skills/mira-ultrafast/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mira-ultrafast", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install sandeco/mira-animator mira-ultrafastInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add sandeco/mira-animator --skill mira-ultrafast -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/sandeco/mira-animator.git skills-src && mkdir -p .github/skills && cp -r skills-src/agents/mira-ultrafast .github/skills/mira-ultrafast && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "mira-ultrafast" agent skill from https://github.com/sandeco/mira-animator/tree/main/agents/mira-ultrafast into .github/skills/mira-ultrafast/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mira-ultrafast", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add sandeco/mira-animator --skill mira-ultrafast -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install sandeco/mira-animator mira-ultrafast --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sandeco/mira-animator.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/agents/mira-ultrafast .opencode/skills/mira-ultrafast && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "mira-ultrafast" agent skill from https://github.com/sandeco/mira-animator/tree/main/agents/mira-ultrafast into .opencode/skills/mira-ultrafast/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mira-ultrafast", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
mira-ultrafast- GitHub stars
- 218
- Token cost
- ~599 tokens
- SKILL.md length
- 277 words
- Files
- 14 (incl. scripts, references)
- Skills in repo
- 57
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Cria decks Mira, Studio, Studio Full e Vertical com planejamento e folhas sobrepostos, instrumentação e montagem determinística.
- Works in 5 steps: Resolva o slug e crie essa estrutura… → Informe o caminho absoluto de… → Invoque o workflow… → …
- Documents & Office work in your project
- SKILL.md covers Motor obrigatório, Invariantes and Artefatos
- Runs JavaScript scripts from its folder; calls node
What it does
Mira Ultrafast is an agent skill from sandeco/mira-animator. Cria decks Mira, Studio, Studio Full e Vertical com planejamento e folhas sobrepostos, instrumentação e montagem determinística.
Its SKILL.md is about 600 tokens, which your agent loads only when the skill is triggered. The skill folder holds 15 other files, including scripts and reference files (for example `references/contrato-animado.md`, `references/contrato-base.md` and `references/contrato-estatico.md`).
It sits in Documents & Office. The repository describes itself as: Agentes e templates para criação de slides animados com D3.js em HTML.
When your agent uses it
- Documents & Office work in your project
Example prompts
- “/mira-ultrafast”
Requirements
- Node.js
Workflow steps
5 steps, taken from the first numbered list in SKILL.md.
- Resolva o slug e crie essa estrutura completa na sessão principal. Nenhuma outra ação pode vir antes.
- Informe o caminho absoluto de references/, sem pausar.
- Invoque o workflow .claude/workflows/mira-ultrafast-engine.js com um objeto estruturado contendo os argumentos originais, slug, deck_dir…
- Não emule o workflow. Sem workflow, falhe com MIRA_ULTRAFAST_PARALLELISM_UNAVAILABLE.
- Após sucesso, rode node .claude/skills/mira-ultrafast/scripts/assemble-run.mjs "" e abra o arquivo_saida retornado.
What it can do on your machine
Read from SKILL.md and the folder at commit d857f32. 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
Ships 5 files in scripts/ (JavaScript), which the agent can run.
Shell commands in SKILL.md call:
node
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
Mira Ultrafast loads about 599 tokens when it runs, and up to ~1.5k if it reads all its reference files. Until then it costs about 36 tokens; SKILL.md has 277 words of instructions outside code blocks.
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); the scripts in this folder 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 277 words (~599 tokens).
“Produz o mesmo contrato visual e estrutural do /mira-fast, removendo trabalho determinístico dos agentes.”
- name
- mira-ultrafast
Files
SKILL.md and 13 other files (scripts, references) in agents/mira-ultrafast of sandeco/mira-animator.
- SKILL.md
- references/contrato-animado.md
- references/contrato-base.md
- references/contrato-estatico.md
- references/detalhamento.md
- references/formato-mira-studio-full.md
- references/formato-mira-studio.md
- references/formato-mira-vertical.md
- references/formato-mira.md
- scripts/assemble-run.mjs
- scripts/build-skeleton.mjs
- scripts/render-board.mjs
- scripts/timings.mjs
- scripts/validate-run.mjs
Open the folder on GitHubat commit d857f32
Compare with similar skills
Mira Ultrafast 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Mira Ultrafast this skillsandeco/mira-animator | 218 | — | ~599 | Automated safety check: Pass | Custom licence | |
| Markdown Article FormatterJimLiu/baoyu-skills | 27k | 6 repos | ~3.5k | Automated safety check: Pass | MIT | |
| MarkitdownImCa0/just-laws | 781 | 14 repos | ~3.2k | Automated safety check: Notes | MIT | |
| Obsidian MarkdownAtmosphere/atmosphere | 3.8k | 20 repos | ~1.3k | Automated safety check: Pass | Apache-2.0 | |
| DOCXrvdbreemen/OTGW-firmware | 207 | 33 repos | ~4.3k | Automated safety check: Pass | Proprietary | |
| Word Document Reader and WriterHKUDS/DeepTutor | 41k | — | ~2.5k | Automated safety check: Pass | Apache-2.0 |
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A skill your agent uses whenever the user wants to create, read, edit, or manipulate Word documents (.docx files).
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Reads, creates and edits Word .docx files with python-docx, and drops to raw OOXML for tracked changes, comments and byte-exact edits.
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Categories
Questions about Mira Ultrafast
What does Mira Ultrafast do?
Cria decks Mira, Studio, Studio Full e Vertical com planejamento e folhas sobrepostos, instrumentação e montagem determinística. Mira Ultrafast is an agent skill from sandeco/mira-animator. Cria decks Mira, Studio, Studio Full e Vertical com planejamento e folhas sobrepostos, instrumentação e montagem determinística.
When should I use Mira Ultrafast?
Mira Ultrafast fits situations like: documents & Office work in your project.
How do I install Mira Ultrafast in Claude Code?
Run `npx skills add sandeco/mira-animator --skill mira-ultrafast -a claude-code`. Or copy the skill folder (agents/mira-ultrafast in sandeco/mira-animator) into .claude/skills/mira-ultrafast in your project. Claude Code loads it when a task matches its description.
How do I install Mira Ultrafast in Codex?
Run `npx skills add sandeco/mira-animator --skill mira-ultrafast -a codex`. Or copy the skill folder (agents/mira-ultrafast in sandeco/mira-animator) into .agents/skills/mira-ultrafast in your project. Codex loads it when a task matches its description.
Can I use Mira Ultrafast 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 sandeco/mira-animator --skill mira-ultrafast -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/mira-ultrafast, .gemini/skills/mira-ultrafast, .github/skills/mira-ultrafast and .opencode/skills/mira-ultrafast in your project.
What does Mira Ultrafast need to run?
Going by SKILL.md and its folder, Mira Ultrafast needs JavaScript for the scripts in its folder and the command-line tools its instructions call (node). Our summary lists: Node.js.
Does Mira Ultrafast 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 Mira Ultrafast 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Mira Ultrafast use?
Mira Ultrafast 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 Mira Ultrafast use?
About 599 tokens (SKILL.md is roughly 2.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 903 tokens, read only when the agent opens those files.
What are the alternatives to Mira Ultrafast?
Skills that share tags, products or a category with Mira Ultrafast: Markdown Article Formatter (JimLiu/baoyu-skills, 27k stars), Markitdown (ImCa0/just-laws, 781 stars), Obsidian Markdown (Atmosphere/atmosphere, 3.8k stars) and DOCX (rvdbreemen/OTGW-firmware, 207 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Mira Ultrafast?
sandeco (a GitHub user) maintains it in sandeco/mira-animator, which has 218 GitHub stars. The repository holds 57 skills in this directory. The repository was last updated on September 14, 2026.
Source: sandeco/mira-animator on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.