Agent skill

New Rails Project

by sickn33 in sickn33/agentic-awesome-skills

“Create a new Rails project”

— description from SKILL.md by sickn33
MITAuto-check passedBackend & APIs

Install New Rails Project

skills CLI
$ npx skills add sickn33/agentic-awesome-skills --skill new-rails-project -a claude-code

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

GitHub CLI
$ gh skill install sickn33/agentic-awesome-skills new-rails-project --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/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/new-rails-project .claude/skills/new-rails-project && 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
new-rails-project
GitHub stars
47k
Used in
1 other repo
Token cost
~765 tokens
SKILL.md length
376 words
Files
1
Skills in repo
1,497
Repo updated
First seen
Licence
MIT

At a glance

  • SKILL.md covers When to Use, Example and Limitations
  • Calls bundle and rails

About this skill

New Rails Project is a skill in sickn33/agentic-awesome-skills (47k stars). Its SKILL.md is about 765 tokens, and copies of it appear in 1 other owners' repositories. Licence: MIT.

Requirements

  • Pre-approved tools (allowed-tools): Bash(rails *), Bash(bundle *), Bash(bin/*), Bash(npm *), Bash(yarn *)

What it can do on your machine

Read from SKILL.md and the folder at commit b84d35a. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Bash(rails *)
    • Bash(bundle *)
    • Bash(bin/*)
    • Bash(npm *)
    • Bash(yarn *)

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • bundle
    • rails

    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

New Rails Project loads about 765 tokens when it runs. Until then it costs about 11 tokens; SKILL.md has 376 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~11
When it runs · the whole SKILL.md, loaded when a task matches
~765

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 sickn33/agentic-awesome-skills at commit b84d35a, republished under its MIT licence (© sickn33). 376 words, ~765 tokens.

Download SKILL.mdSave it as .claude/skills/new-rails-project/SKILL.md (or your agent's skills folder).
name
new-rails-project
description
Create a new Rails project
allowed-tools
Bash(rails *), Bash(bundle *), Bash(bin/*), Bash(npm *), Bash(yarn *)
argument-hint
project name
context
fork
risk
critical
source
community
date_added
2026-09-04
metadata.author
Shpigford
metadata.version
1.0

Generate a new Rails project named $1 in the current directory. You may reference @CLAUDE.md for general guidance, though the guidance here takes precedence.

When to Use

  • You need to bootstrap a new Rails project with the opinionated stack defined in this skill.
  • The project should start with Rails, PostgreSQL, Inertia.js, React, Vite, Tailwind, Sidekiq, and Redis already planned together.
  • You want setup guidance that covers project creation, conventions, testing, and verification for a fresh Rails app.

Tech Stack

Set up the following tech stack:

  • Rails ~8 with PostgreSQL - Server-side framework and database
  • Inertia.js ~2.3 - Bridges Rails and React for SPA-like experience without API
  • React ~19.2 - Frontend UI framework
  • Vite ~5 - JavaScript bundler with HMR
  • Tailwind CSS ~4 - Utility-first CSS framework
  • Sidekiq 8 - Background job processing with scheduled jobs via sidekiq-scheduler
  • Redis - Sessions, caching, and job queue

Rails guidance

  • Do not use Kamal or Docker
  • Do not use Rails "solid_*" components/systems
  • Development should generally match production settings where possible
  • Use Redis for caching

Database

  • All tables use UUID primary keys (pgcrypto extension)
  • Timestamps use timestamptz for timezone awareness
  • JSONB columns for flexible metadata storage
  • Comprehensive indexing strategy for performance
  • Encrypted fields for sensitive data (OAuth tokens, API keys)

Background jobs

  • Use Sidekiq 8 with Redis

Testing

  • Always use minitest
  • Use mocha gem and VCR for external services (only in the providers layer)
  • Prefer OpenStruct for mock instances
  • Only mock what's necessary
Show full SKILL.md (145 more words)Show less

Code maintenace

  • Run bundle exec rubocop -a after significant code changes
  • Use .rubocop.yml for style configuration
  • Security scanning with bundle exec brakeman

Frontend

  • All React components and views should be TSX

General guidance

  • Ask lots of clarifying questions when planning. The more the better. Make extensive use of AskUserQuestionTool to gather requirements and specifications. You can't ask too many questions.

Verify

Verify the boilerplate is working by running bin/rails server and accessing the application at http://localhost:3000 via playwright MCP.

Example

User request:

Bootstrap a new Rails project with the opinionated stack defined here and verify that the generated application runs.

Limitations

  • Use this skill only when the task clearly matches the scope described above.
  • Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
  • Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

© sickn33, MIT. 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 skills/new-rails-project of sickn33/agentic-awesome-skills.

Open the folder on GitHubat commit b84d35a

Used in 1 other repository

We found 5 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in sickn33/agentic-awesome-skills, which our catalogue first saw on October 7, 2026.

Compare with similar skills

New Rails Project 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.

New Rails Project compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
New Rails Project this skillsickn33/agentic-awesome-skills47k1 repos~765Automated safety check: PassMIT
Configuring Horizoncoollabsio/coolify63k4 repos~898Automated safety check: PassMIT
Twenty Syncable Entity Cache and Transformtwentyhq/twenty58k—~2.4kAutomated safety check: PassCustom licence
Livewire Developmentcoollabsio/coolify63k—~964Automated safety check: PassMIT
Backendredis/RedisInsight8.9k—~1.6kAutomated safety check: PassCustom licence
Livewire Developmentyungifez/skuul4091 repos~1.9kAutomated safety check: PassMIT

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Works with

Categories

Questions about New Rails Project

How do I install New Rails Project in Claude Code?

Run `npx skills add sickn33/agentic-awesome-skills --skill new-rails-project -a claude-code`. Or copy the skill folder (skills/new-rails-project in sickn33/agentic-awesome-skills) into .claude/skills/new-rails-project in your project. Claude Code loads it when a task matches its description.

How do I install New Rails Project in Codex?

Run `npx skills add sickn33/agentic-awesome-skills --skill new-rails-project -a codex`. Or copy the skill folder (skills/new-rails-project in sickn33/agentic-awesome-skills) into .agents/skills/new-rails-project in your project. Codex loads it when a task matches its description.

Can I use New Rails Project 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 sickn33/agentic-awesome-skills --skill new-rails-project -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/new-rails-project, .gemini/skills/new-rails-project, .github/skills/new-rails-project and .opencode/skills/new-rails-project in your project.

What does New Rails Project need to run?

Going by SKILL.md and its folder, New Rails Project needs the command-line tools its instructions call (bundle and rails). Its frontmatter pre-approves these tools: Bash(rails *), Bash(bundle *), Bash(bin/*), Bash(npm *), Bash(yarn *).

Does New Rails Project 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 New Rails Project 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 New Rails Project use?

New Rails Project is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does New Rails Project use?

About 765 tokens (SKILL.md is roughly 3.1k 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 New Rails Project?

Skills that share tags, products or a category with New Rails Project: Configuring Horizon (coollabsio/coolify, 63k stars), Twenty Syncable Entity Cache and Transform (twentyhq/twenty, 58k stars), Livewire Development (coollabsio/coolify, 63k stars) and Backend (redis/RedisInsight, 8.9k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains New Rails Project?

sickn33 (a GitHub user) maintains it in sickn33/agentic-awesome-skills, which has 47,405 GitHub stars. The repository holds 1,497 skills in this directory. The repository was last updated on October 9, 2026.

Source: sickn33/agentic-awesome-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.