Doc
nexu-io/open-design
Read, create, and edit .docx documents with formatting and layout fidelity via OpenAI's document skill.
A skill your agent uses when you are asked to fill in a subset doc (./doc/lang/subset.md)
Apache-2.0Auto-check passed
Install Filling Subset Doc
$ npx skills add ballerina-nutcracker/ballerina --skill filling-subset-doc -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install ballerina-nutcracker/ballerina filling-subset-doc --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/ballerina-nutcracker/ballerina.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/filling-subset-doc .claude/skills/filling-subset-doc && 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 "filling-subset-doc" agent skill from https://github.com/ballerina-nutcracker/ballerina/tree/main/.agents/skills/filling-subset-doc into .claude/skills/filling-subset-doc/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "filling-subset-doc", 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/ballerina-nutcracker/ballerina/tree/main/.agents/skills/filling-subset-docType 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 ballerina-nutcracker/ballerina --skill filling-subset-doc -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install ballerina-nutcracker/ballerina filling-subset-doc --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ballerina-nutcracker/ballerina.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/filling-subset-doc .agents/skills/filling-subset-doc && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "filling-subset-doc" agent skill from https://github.com/ballerina-nutcracker/ballerina/tree/main/.agents/skills/filling-subset-doc into .agents/skills/filling-subset-doc/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "filling-subset-doc", 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 ballerina-nutcracker/ballerina --skill filling-subset-doc -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install ballerina-nutcracker/ballerina filling-subset-doc --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ballerina-nutcracker/ballerina.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/filling-subset-doc .cursor/skills/filling-subset-doc && 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 "filling-subset-doc" agent skill from https://github.com/ballerina-nutcracker/ballerina/tree/main/.agents/skills/filling-subset-doc into .cursor/skills/filling-subset-doc/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "filling-subset-doc", 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/ballerina-nutcracker/ballerina.git --path .agents/skills/filling-subset-doc--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 ballerina-nutcracker/ballerina --skill filling-subset-doc -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install ballerina-nutcracker/ballerina filling-subset-doc --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ballerina-nutcracker/ballerina.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/filling-subset-doc .gemini/skills/filling-subset-doc && 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 "filling-subset-doc" agent skill from https://github.com/ballerina-nutcracker/ballerina/tree/main/.agents/skills/filling-subset-doc into .gemini/skills/filling-subset-doc/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "filling-subset-doc", 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 ballerina-nutcracker/ballerina filling-subset-docInstalls 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 ballerina-nutcracker/ballerina --skill filling-subset-doc -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/ballerina-nutcracker/ballerina.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/filling-subset-doc .github/skills/filling-subset-doc && 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 "filling-subset-doc" agent skill from https://github.com/ballerina-nutcracker/ballerina/tree/main/.agents/skills/filling-subset-doc into .github/skills/filling-subset-doc/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "filling-subset-doc", 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 ballerina-nutcracker/ballerina --skill filling-subset-doc -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install ballerina-nutcracker/ballerina filling-subset-doc --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ballerina-nutcracker/ballerina.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/filling-subset-doc .opencode/skills/filling-subset-doc && 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 "filling-subset-doc" agent skill from https://github.com/ballerina-nutcracker/ballerina/tree/main/.agents/skills/filling-subset-doc into .opencode/skills/filling-subset-doc/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "filling-subset-doc", 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
filling-subset-doc- GitHub stars
- 120
- Token cost
- ~119 tokens
- SKILL.md length
- 53 words
- Files
- 1
- Skills in repo
- 7
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
A skill your agent uses when you are asked to fill in a subset doc (./doc/lang/subset.md)
- You are asked to fill in a subset doc (./doc/lang/subset.md)
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Filling Subset Doc is an agent skill from ballerina-nutcracker/ballerina. Use when you are asked to fill in a subset doc (./doc/lang/subset.md)
Its SKILL.md is about 120 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: Native Ballerina Interpreter. The licence is Apache-2.0.
When your agent uses it
- You are asked to fill in a subset doc (./doc/lang/subset.md)
Example prompts
- “/filling-subset-doc”
What it can do on your machine
Read from SKILL.md and the folder at commit 4b649aa. 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
Filling Subset Doc loads about 119 tokens when it runs. Until then it costs about 23 tokens; SKILL.md has 53 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); files beside SKILL.md are not scanned.
SKILL.md
The full file from ballerina-nutcracker/ballerina at commit 4b649aa, republished under its Apache-2.0 licence (© ballerina-nutcracker). 53 words, ~119 tokens.
Download SKILL.mdSave it as
.claude/skills/filling-subset-doc/SKILL.md (or your agent's skills folder).- name
- filling-subset-doc
- description
- Use when you are asked to fill in a subset doc (`./doc/lang/subset*.md`)
- First identify the relevant sections of the spec
- For each section, if the implementation doesn't fully match the spec (extra restrictions, or cases the spec doesn't cover), document it under that statement's or expression's bullet
- If the implementation now supports the full spec, remove all restrictions instead of listing each part as supported
© ballerina-nutcracker, Apache-2.0. 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 .agents/skills/filling-subset-doc of ballerina-nutcracker/ballerina.
Open the folder on GitHubat commit 4b649aa
Compare with similar skills
Filling Subset Doc 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 |
|---|---|---|---|---|---|---|
| Filling Subset Doc this skillballerina-nutcracker/ballerina | 120 | — | ~119 | Automated safety check: Pass | Apache-2.0 | |
| Docnexu-io/open-design | 100k | — | ~266 | Automated safety check: Pass | Apache-2.0 | |
| Docsremotion-dev/remotion | 63k | — | ~248 | Automated safety check: Pass | Custom licence | |
| Update Docsvercel/next.js | 143k | — | ~1.9k | Automated safety check: Pass | MIT | |
| DocsPrefectHQ/fastmcp | 28k | — | ~1k | Automated safety check: Pass | Apache-2.0 | |
| Docs Diagramsvercel/next.js | 143k | — | ~2.9k | Automated safety check: Pass | MIT |
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Questions about Filling Subset Doc
What does Filling Subset Doc do?
A skill your agent uses when you are asked to fill in a subset doc (./doc/lang/subset.md). Filling Subset Doc is an agent skill from ballerina-nutcracker/ballerina.
When should I use Filling Subset Doc?
Filling Subset Doc fits situations like: you are asked to fill in a subset doc (./doc/lang/subset.md).
How do I install Filling Subset Doc in Claude Code?
Run `npx skills add ballerina-nutcracker/ballerina --skill filling-subset-doc -a claude-code`. Or copy the skill folder (.agents/skills/filling-subset-doc in ballerina-nutcracker/ballerina) into .claude/skills/filling-subset-doc in your project. Claude Code loads it when a task matches its description.
How do I install Filling Subset Doc in Codex?
Run `npx skills add ballerina-nutcracker/ballerina --skill filling-subset-doc -a codex`. Or copy the skill folder (.agents/skills/filling-subset-doc in ballerina-nutcracker/ballerina) into .agents/skills/filling-subset-doc in your project. Codex loads it when a task matches its description.
Can I use Filling Subset Doc 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 ballerina-nutcracker/ballerina --skill filling-subset-doc -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/filling-subset-doc, .gemini/skills/filling-subset-doc, .github/skills/filling-subset-doc and .opencode/skills/filling-subset-doc in your project.
What does Filling Subset Doc need to run?
SKILL.md names no scripts, command-line tools or credentials: Filling Subset Doc is instructions for the agent only.
Does Filling Subset Doc 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 Filling Subset Doc 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 Filling Subset Doc use?
Filling Subset Doc is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Filling Subset Doc use?
About 119 tokens (SKILL.md is roughly 476 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 Filling Subset Doc?
Skills that share tags, products or a category with Filling Subset Doc: Doc (nexu-io/open-design, 100k stars), Docs (remotion-dev/remotion, 63k stars), Update Docs (vercel/next.js, 143k stars) and Docs (PrefectHQ/fastmcp, 28k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Filling Subset Doc?
ballerina-nutcracker (a GitHub organization) maintains it in ballerina-nutcracker/ballerina, which has 120 GitHub stars. The repository holds 7 skills in this directory. The repository was last updated on October 9, 2026.
Source: ballerina-nutcracker/ballerina on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.