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Agent skill

PR Preflight

by sillsdev in sillsdev/FieldWorks

The required entrypoint whenever asked to write, make, open, create, update, or ship a PR for this repo -- do not post a PR body without running this first.

Custom licenceAuto-check passedDevelopment

Install PR Preflight

skills CLI
$ npx skills add sillsdev/FieldWorks --skill pr-preflight -a claude-code

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

GitHub CLI
$ gh skill install sillsdev/FieldWorks pr-preflight --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/pr-preflight .claude/skills/pr-preflight && 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
pr-preflight
GitHub stars
110
Token cost
~1.6k tokens
SKILL.md length
879 words
Files
2 (incl. references)
Skills in repo
29
Repo updated
First seen
Licence
Custom licence

At a glance

The required entrypoint whenever asked to write, make, open, create, update, or ship a PR for this repo -- do not post a PR body without running this first.

  • Works in 5 steps: git branch --show-current. Stop if it is… → git status --porcelain. If dirty, ask… → git fetch origin --quiet, then… → …
  • Branch readiness
  • SKILL.md covers Setup, Analysis, Interview and In-review fixes, plus 1 more section
  • Calls git and dotnet

What it does

PR Preflight is an agent skill from sillsdev/FieldWorks. The required entrypoint whenever asked to write, make, open, create, update, or ship a PR for this repo -- do not post a PR body without running this first. Also use for pre-PR review, branch readiness, author interview, review summary generation, or validation evidence.

Its SKILL.md is about 1.6k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/summary-template.md`).

It sits in Development, covering Pull requests. 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

  • Branch readiness
  • Author interview
  • Review summary generation
  • Validation evidence

Example prompts

  • “/pr-preflight”

Workflow steps

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

  1. git branch --show-current. Stop if it is main.
  2. git status --porcelain. If dirty, ask whether to commit first; in-review
  3. git fetch origin --quiet, then merge-base against origin/main. Record
  4. If .review is not gitignored, ask to add it -- as its own question.
  5. Ask the branch purpose in the author's own words, unless supplied.

What it can do on your machine

Read from SKILL.md and the folder at commit 44b1d04. 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

    Shell commands in SKILL.md call:

    • git
    • dotnet

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use git, which can reach the network depending on how they are called.

    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

PR Preflight loads about 1.6k tokens when it runs, and up to ~2.1k if it reads all its reference files. Until then it costs about 71 tokens; SKILL.md has 879 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~71
When it runs · the whole SKILL.md, loaded when a task matches
~1.6k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~2.1k

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

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 879 words (~1,603 tokens).

“Interactive branch review before a PR is posted or updated. This is the orchestration layer: review policy lives in .github/instructions/review-analyzer.instructions.md, shared terminology in CONTEXT.md, and the write-up belongs to pr-pitch.”

— opening of SKILL.md by sillsdev, Custom licence
name
pr-preflight
argument-hint
Optional branch purpose or PR goal
user-invocable
true

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file (references) in .claude/skills/pr-preflight of sillsdev/FieldWorks.

  • SKILL.md
  • references/summary-template.md

Open the folder on GitHubat commit 44b1d04

Compare with similar skills

PR Preflight 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.

PR Preflight compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
PR Preflight this skillsillsdev/FieldWorks110—~1.6kAutomated safety check: PassCustom licence
Finishing a Development Branchobra/superpowers296k5 repos~1.9kAutomated safety check: PassMIT
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Check PRonyx-dot-app/onyx32k2 repos~2.3kAutomated safety check: PassMIT
Understand Diff AnalysisEgonex-AI/Understand-Anything85k1 repos~1.4kAutomated safety check: PassMIT
PR Design DocOpenHands/OpenHands90k—~2.4kAutomated safety check: PassMIT

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    296k GitHub starsUsed in 5 repos~1.9k tokens
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  • PR Babysitter

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  • Understand Diff Analysis

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More from sillsdev/FieldWorks

All 29 skills in this repo

  • Atlassian Readonly Skills

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    Read-only Python utilities for Jira (SIL Data Center): fetch an issue, search with JQL, read transitions, links, worklogs, agile boards and projects.

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  • Atlassian Skills

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  • Fieldworks Winapp

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    Control and document the FieldWorks desktop application with WinForms MCP or WinApp MCP.

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  • Convert Slice

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    Drive the conversion of one legacy slice type to the Avalonia detail view through analysis, developer alignment, integration-test planning, route/exemplar mapping, design, and scaffold/implement.

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  • Dependabot Consolidation

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    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…

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  • Fieldworks Semantic Render Parity

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    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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Categories

Questions about PR Preflight

What does PR Preflight do?

The required entrypoint whenever asked to write, make, open, create, update, or ship a PR for this repo -- do not post a PR body without running this first. PR Preflight is an agent skill from sillsdev/FieldWorks. The required entrypoint whenever asked to write, make, open, create, update, or ship a PR for this repo -- do not post a PR body without running this first.

When should I use PR Preflight?

PR Preflight fits situations like: branch readiness; author interview; review summary generation; validation evidence.

How do I install PR Preflight in Claude Code?

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

How do I install PR Preflight in Codex?

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

Can I use PR Preflight 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 pr-preflight -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/pr-preflight, .gemini/skills/pr-preflight, .github/skills/pr-preflight and .opencode/skills/pr-preflight in your project.

What does PR Preflight need to run?

Going by SKILL.md and its folder, PR Preflight needs the command-line tools its instructions call (git and dotnet).

Does PR Preflight access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is PR Preflight 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 PR Preflight use?

PR Preflight 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 PR Preflight use?

About 1.6k tokens (SKILL.md is roughly 6.4k 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 453 tokens, read only when the agent opens those files.

What are the alternatives to PR Preflight?

Skills that share tags, products or a category with PR Preflight: Finishing a Development Branch (obra/superpowers, 296k stars), PR Babysitter (openinterpreter/openinterpreter, 69k stars), Check PR (onyx-dot-app/onyx, 32k stars) and Understand Diff Analysis (Egonex-AI/Understand-Anything, 85k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains PR Preflight?

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 7, 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.