SkillWorks

Skills

Subagents

Plugins

Marketplaces

SkillWorks

Skills

Subagents

Plugins

Marketplaces

Submit a repo

SkillWorks

Skills

Subagents

Plugins

Marketplaces

Submit a repo

Loading

Also from Kynth Studios

Built for the same person as SkillWorks

Toolproof

Independent measurement of AI agent tooling

toolproof.kynth.studio

BlockDex

Search public shadcn registries, item by item

blockdex.kynth.studio

KitGrade

SaaS starter kits, scored on what can be checked

kitgrade.kynth.studio

The studio list

One product, taken apart, once a month

Kynth Studios pulls one shipped product open every month — what it does, what it cost to build, what the pipeline behind it looks like, and what the numbers did. One email a month, nothing in between.

Double opt-in — we send one confirmation link and nothing else until you click it.

SkillWorks

Built by

Kynth Studios

the studio behind Toolproof, BlockDex and KitGrade

part of Toolproof, the measurement layer for AI agent tooling

Browse

Skills
Subagents
Plugins
Marketplaces
CLAUDE.md examples

Rankings

Best subagents
Best plugins
Most installed
Will not load

The index

Search
Categories
How we score

Reference

Submit a repository
Sponsor a section
Listings JSON
Privacy

© 2026 SkillWorks. A Kynth Studios product. Changelog

SkillWorks

The studio list

One product, taken apart, once a month

Kynth Studios pulls one shipped product open every month — what it does, what it cost to build, what the pipeline behind it looks like, and what the numbers did. One email a month, nothing in between.

Double opt-in — we send one confirmation link and nothing else until you click it.

SkillWorks

Built by

Kynth Studios

the studio behind Toolproof, BlockDex and KitGrade

part of Toolproof, the measurement layer for AI agent tooling

Browse

Skills
Subagents
Plugins
Marketplaces
CLAUDE.md examples

Rankings

Best subagents
Best plugins
Most installed
Will not load

The index

Search
Categories
How we score

Reference

Submit a repository
Sponsor a section
Listings JSON
Privacy

© 2026 SkillWorks. A Kynth Studios product. Changelog

SkillWorks

The studio list

One product, taken apart, once a month

Kynth Studios pulls one shipped product open every month — what it does, what it cost to build, what the pipeline behind it looks like, and what the numbers did. One email a month, nothing in between.

Double opt-in — we send one confirmation link and nothing else until you click it.

SkillWorks

Built by

Kynth Studios

the studio behind Toolproof, BlockDex and KitGrade

part of Toolproof, the measurement layer for AI agent tooling

Browse

Skills
Subagents
Plugins
Marketplaces
CLAUDE.md examples

Rankings

Best subagents
Best plugins
Most installed
Will not load

The index

Search
Categories
How we score

Reference

Submit a repository
Sponsor a section
Listings JSON
Privacy

© 2026 SkillWorks. A Kynth Studios product. Changelog

SkillWorks

SkillWorks

Skills

Subagents

Plugins

Marketplaces

SkillWorks

Skills

Subagents

Plugins

Marketplaces

Submit a repo

SkillWorks

Skills

Subagents

Plugins

Marketplaces

Submit a repo

Subagents/Backend & APIs/maquina-app/rails-claude-code

upgrade

maquina-app/rails-claude-code
SubagentLoads cleanly

Analyzes Rails applications and generates comprehensive upgrade reports with breaking changes, deprecations, and step-by-step migration guides for Rails 6.0…

Scores
80
out of 100 · grade B+

2026-08-18

Works

40% of the score

100/100

  • Loads cleanly: valid frontmatter, required fields present, no dangling references.

Maintained

25% of the score

100/100

  • no commits in the last 12 weeks

Adopted

20% of the score

23/100

  • 47 stars on the source repo.

Documented

15% of the score

66/100

  • 739 words with worked examples.
Loads cleanly. Every structural check Claude Code needs to register this passed. Last commit 2 days ago.

What it says it does

Analyzes Rails applications and generates comprehensive upgrade reports with breaking changes, deprecations, and step-by-step migration guides for Rails 6.0 through 8.1.1. Use when upgrading Rails applications, planning multi-hop upgrades, or querying version-specific changes.

Every number above came out of reading the file and its repository. Nothing is a judgement call, nothing is a model’s opinion, and nothing can be paid for. The full method is published. Source last committed 2026-08-16.

The record

Type
Subagent
Category
Backend & APIs
Repository
maquina-app/rails-claude-code
Last commit
2 days ago · 2026-08-16
Repository stars
47
Installs
not in the skills.sh registry
Licence
MIT
Model
sonnet
Tools it asks for
Read, Bash, Grep, Glob, Write, Edit
Instruction length
739 words
Bundled files
0
View the source on GitHub

Also in maquina-app/rails-claude-code

Other artifacts published from the same repository.
ArtifactScoreWhat the check foundTypeReachLast commit
better-stimulusmaquina-app/rails-claude-code
83
cleanSkill47 stars2 days ago
simplifymaquina-app/rails-claude-code
83
cleanSkill47 stars2 days ago
remembermaquina-app/rails-claude-code
83
cleanSkill47 stars2 days ago
audit-securitymaquina-app/rails-claude-code
82
cleanSubagent47 stars2 days ago
uimaquina-app/rails-claude-code
81
cleanSkill47 stars2 days ago
rails-hotwire-drivermaquina-app/rails-claude-code
81
Missing filesSkill47 stars2 days ago

Other backend & apis subagents

Browse all
Same category, same type, ranked by score.
ArtifactScoreWhat the check foundCategoryReachLast commit
django-revieweraffaan-m/ECC
92
cleanBackend & APIs242k starsyesterday
django-build-resolveraffaan-m/ECC
92
cleanBackend & APIs242k starsyesterday
api-scaffolding-backend-architectwshobson/agents
89
cleanBackend & APIs39k stars3 days ago
backend-api-security-backend-architectwshobson/agents
89
cleanBackend & APIs39k stars3 days ago
backend-api-security-backend-security-coderwshobson/agents
89
cleanBackend & APIs39k stars3 days ago
backend-development-backend-architectwshobson/agents
89
cleanBackend & APIs39k stars3 days ago

Put this measurement in your README

A badge carrying how many listings this index holds from the repository and how many pass every static structural check. It reads from this index every time somebody loads your page, so it changes when the measurement changes and there is nothing to keep up to date. Free, no account, and the value is not something you or we can set by hand.

SkillWorks badge

[![SkillWorks](https://toolproof.kynth.studio/badge/skillworks/maquina-app/rails-claude-code.svg)](https://skillworks.kynth.studio/?q=maquina-app%2Frails-claude-code)

Would rather not hotlink us? Every badge is also served in shields.io’s endpoint schema, so shields renders the image and your readers never talk to our domain:

Published by Toolproof, the masthead over this index and eight others. The method behind the number is at toolproof.kynth.studio/methodology, and the whole thing is readable as JSON with no key at /api.

Also from Kynth Studios

Built for the same person as SkillWorks

Toolproof

Independent measurement of AI agent tooling

toolproof.kynth.studio

BlockDex

Search public shadcn registries, item by item

blockdex.kynth.studio

KitGrade

SaaS starter kits, scored on what can be checked

kitgrade.kynth.studio

The studio list

One product, taken apart, once a month

Kynth Studios pulls one shipped product open every month — what it does, what it cost to build, what the pipeline behind it looks like, and what the numbers did. One email a month, nothing in between.

Double opt-in — we send one confirmation link and nothing else until you click it.

SkillWorks

Built by

Kynth Studios

the studio behind Toolproof, BlockDex and KitGrade

part of Toolproof, the measurement layer for AI agent tooling

Browse

Skills
Subagents
Plugins
Marketplaces
CLAUDE.md examples

Rankings

Best subagents
Best plugins
Most installed
Will not load

The index

Search
Categories
How we score

Reference

Submit a repository
Sponsor a section
Listings JSON
Privacy

© 2026 SkillWorks. A Kynth Studios product. Changelog

SkillWorks

The studio list

One product, taken apart, once a month

Kynth Studios pulls one shipped product open every month — what it does, what it cost to build, what the pipeline behind it looks like, and what the numbers did. One email a month, nothing in between.

Double opt-in — we send one confirmation link and nothing else until you click it.

SkillWorks

Built by

Kynth Studios

the studio behind Toolproof, BlockDex and KitGrade

part of Toolproof, the measurement layer for AI agent tooling

Browse

Skills
Subagents
Plugins
Marketplaces
CLAUDE.md examples

Rankings

Best subagents
Best plugins
Most installed
Will not load

The index

Search
Categories
How we score

Reference

Submit a repository
Sponsor a section
Listings JSON
Privacy

© 2026 SkillWorks. A Kynth Studios product. Changelog

SkillWorks

The studio list

One product, taken apart, once a month

Kynth Studios pulls one shipped product open every month — what it does, what it cost to build, what the pipeline behind it looks like, and what the numbers did. One email a month, nothing in between.

Double opt-in — we send one confirmation link and nothing else until you click it.

SkillWorks

Built by

Kynth Studios

the studio behind Toolproof, BlockDex and KitGrade

part of Toolproof, the measurement layer for AI agent tooling

Browse

Skills
Subagents
Plugins
Marketplaces
CLAUDE.md examples

Rankings

Best subagents
Best plugins
Most installed
Will not load

The index

Search
Categories
How we score

Reference

Submit a repository
Sponsor a section
Listings JSON
Privacy

© 2026 SkillWorks. A Kynth Studios product. Changelog

SkillWorks