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Agent skill

Fieldworks Avalonia UI

by sillsdev in sillsdev/FieldWorks

Build, review, or fix Avalonia UI code in FieldWorks: XAML, MVVM, view models, owned controls, headless tests, preview host, accessibility identity, and product-vs-preview wiring.

Custom licenceAuto-check passedFrontend & Design

Install Fieldworks Avalonia UI

skills CLI
$ npx skills add sillsdev/FieldWorks --skill fieldworks-avalonia-ui -a claude-code

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

GitHub CLI
$ gh skill install sillsdev/FieldWorks fieldworks-avalonia-ui --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/sillsdev/FieldWorks.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/fieldworks-avalonia-ui .claude/skills/fieldworks-avalonia-ui && 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
fieldworks-avalonia-ui
GitHub stars
110
Token cost
~3.1k tokens
SKILL.md length
1,330 words
Files
4 (incl. references)
Skills in repo
29
Repo updated
First seen
Licence
Custom licence

At a glance

Build, review, or fix Avalonia UI code in FieldWorks: XAML, MVVM, view models, owned controls, headless tests, preview host, accessibility identity, and product-vs-preview wiring.

  • Works in 3 steps: View XyzDialogView.axaml (+ .axaml.cs):… → View-model XyzDialogViewModel.cs:… → Tests XyzDialogTests.cs (headless…
  • Any change under Src/Common/FwAvalonia/
  • SKILL.md covers Use This For, Start From the Established…, Converting a WinForms dialog… and Required Checks, plus 4 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Fieldworks Avalonia UI is an agent skill from sillsdev/FieldWorks. Build, review, or fix Avalonia UI code in FieldWorks: XAML, MVVM, view models, owned controls, headless tests, preview host, accessibility identity, and product-vs-preview wiring. Use for any change under Src/Common/FwAvalonia/, Src/Common/FwAvaloniaPreviewHost/, or Src//.Avalonia/, and for net48/net8 Avalonia test changes — even if the request only mentions a control, a binding, a style, or a flaky UI test. For whole-surface migration planning use fieldworks-winforms-to-avalonia-migration first.

Its SKILL.md is about 3.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `references/dialog-conversion.md`, `references/style-system.md` and `references/visual-snapshot-testing.md`).

It sits in Frontend & Design. It works with Avalonia. The repository describes itself as: FieldWorks is a suite of software tools for language and cultural data, with support for complex scripts.

When your agent uses it

  • Any change under Src/Common/FwAvalonia/
  • Src/Common/FwAvaloniaPreviewHost/
  • Src//.Avalonia/
  • For net48/net8 Avalonia test changes — even if the request only mentions a control

Example prompts

  • “/fieldworks-avalonia-ui”

Workflow steps

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

  1. View XyzDialogView.axaml (+ .axaml.cs): a UserControl (not a
  2. View-model XyzDialogViewModel.cs: ObservableObject with
  3. Tests XyzDialogTests.cs (headless [AvaloniaTest]): assert the

What it can do on your machine

Read from SKILL.md and the folder at commit bd0608d. 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

Fieldworks Avalonia UI loads about 3.1k tokens when it runs, and up to ~14k if it reads all its reference files. Until then it costs about 132 tokens; SKILL.md has 1,330 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~132
When it runs · the whole SKILL.md, loaded when a task matches
~3.1k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~14k

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 1,330 words (~3,055 tokens).

name
fieldworks-avalonia-ui

Read the full SKILL.md on GitHub

Files

SKILL.md and 3 other files (references) in .claude/skills/fieldworks-avalonia-ui of sillsdev/FieldWorks.

  • SKILL.md
  • references/dialog-conversion.md
  • references/style-system.md
  • references/visual-snapshot-testing.md

Open the folder on GitHubat commit bd0608d

Compare with similar skills

Fieldworks Avalonia UI 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.

Fieldworks Avalonia UI compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Fieldworks Avalonia UI this skillsillsdev/FieldWorks110—~3.1kAutomated safety check: PassCustom licence
Format StylePixeval/Pixeval3.2k—~1.2kAutomated safety check: PassGPL-3.0
Docusaurus StylingAvaloniaUI/avalonia-docs166—~3.3kAutomated safety check: PassNone
Code StylePixeval/Pixeval3.2k—~730Automated safety check: PassGPL-3.0
API Link BuilderAvaloniaUI/avalonia-docs166—~3.1kAutomated safety check: PassNone
Discussion Gap FinderAvaloniaUI/avalonia-docs166—~2.2kAutomated safety check: PassNone

Similar skills

  • Format Style

    Pixeval/Pixeval

    工程代码格式化风格指引

    3.2k GitHub stars~1.2k tokensUpdated yesterday
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  • Docusaurus Styling

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  • Code Style

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  • API Link Builder

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    Scans the /docs directory for opportunities to cross-link with API reference documentation in /api, and vice versa.

    166 GitHub stars~3.1k tokensUpdated yesterday
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    AvaloniaUI/avalonia-docs

    Analyzes GitHub discussion links to identify documentation gaps.

    166 GitHub stars~2.2k tokensUpdated yesterday
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  • Oneware Styling

    one-ware/OneWare

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More from sillsdev/FieldWorks

All 29 skills in this repo

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  • Atlassian Skills

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  • Fieldworks Winapp

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  • Convert Slice

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    110 GitHub stars~3.3k tokensUpdated yesterday
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  • Dependabot Consolidation

    sillsdev/FieldWorks

    Combine several open Dependabot pull requests into a single branch and PR: enumerate the open Dependabot PRs, cherry-pick them onto fresh main, rewrite commit messages to satisfy…

    110 GitHub stars~3.5k tokensUpdated yesterday
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  • Fieldworks Semantic Render Parity

    sillsdev/FieldWorks

    Capture or review FieldWorks parity evidence: semantic snapshots, render/visual baselines, layout parity, failure artifacts, XML view definitions, and the Avalonia presentation IR.

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Works with

Categories

Questions about Fieldworks Avalonia UI

What does Fieldworks Avalonia UI do?

Build, review, or fix Avalonia UI code in FieldWorks: XAML, MVVM, view models, owned controls, headless tests, preview host, accessibility identity, and product-vs-preview wiring. Fieldworks Avalonia UI is an agent skill from sillsdev/FieldWorks. Build, review, or fix Avalonia UI code in FieldWorks: XAML, MVVM, view models, owned controls, headless tests, preview host, accessibility identity, and product-vs-preview wiring.

When should I use Fieldworks Avalonia UI?

Fieldworks Avalonia UI fits situations like: any change under Src/Common/FwAvalonia/; src/Common/FwAvaloniaPreviewHost/; src//.Avalonia/; for net48/net8 Avalonia test changes — even if the request only mentions a control.

How do I install Fieldworks Avalonia UI in Claude Code?

Run `npx skills add sillsdev/FieldWorks --skill fieldworks-avalonia-ui -a claude-code`. Or copy the skill folder (.claude/skills/fieldworks-avalonia-ui in sillsdev/FieldWorks) into .claude/skills/fieldworks-avalonia-ui in your project. Claude Code loads it when a task matches its description.

How do I install Fieldworks Avalonia UI in Codex?

Run `npx skills add sillsdev/FieldWorks --skill fieldworks-avalonia-ui -a codex`. Or copy the skill folder (.claude/skills/fieldworks-avalonia-ui in sillsdev/FieldWorks) into .agents/skills/fieldworks-avalonia-ui in your project. Codex loads it when a task matches its description.

Can I use Fieldworks Avalonia UI 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 sillsdev/FieldWorks --skill fieldworks-avalonia-ui -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/fieldworks-avalonia-ui, .gemini/skills/fieldworks-avalonia-ui, .github/skills/fieldworks-avalonia-ui and .opencode/skills/fieldworks-avalonia-ui in your project.

What does Fieldworks Avalonia UI need to run?

SKILL.md names no scripts, command-line tools or credentials: Fieldworks Avalonia UI is instructions for the agent only.

Does Fieldworks Avalonia UI 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 Fieldworks Avalonia UI 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 Fieldworks Avalonia UI use?

Fieldworks Avalonia UI 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 Fieldworks Avalonia UI use?

About 3.1k tokens (SKILL.md is roughly 12k 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 11k tokens, read only when the agent opens those files.

What are the alternatives to Fieldworks Avalonia UI?

Skills that share tags, products or a category with Fieldworks Avalonia UI: Format Style (Pixeval/Pixeval, 3.2k stars), Docusaurus Styling (AvaloniaUI/avalonia-docs, 166 stars), Code Style (Pixeval/Pixeval, 3.2k stars) and API Link Builder (AvaloniaUI/avalonia-docs, 166 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Fieldworks Avalonia UI?

sillsdev (a GitHub organization) maintains it in sillsdev/FieldWorks, which has 110 GitHub stars. The repository holds 29 skills in this directory. The repository was last updated on October 8, 2026.

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