uncle-bob-craft

uncle-bob-craft is a skill for Claude Code from ratnesh-maurya/cursor-claude-personas. It costs 36 tokens per session (2,410 once invoked), scanned A, original, MIT.

A set of code-review and design guidelines based on Robert C. Martin’s software-development principles. It covers code structure, architecture boundaries, dependencies, design patterns, and professional development practices.

In plain words
What is it for?
Use it when reviewing code, refactoring modules, discussing architecture, or deciding whether a design pattern fits.
Why use it?
It gives reviews and refactoring decisions a consistent set of criteria beyond what a linter or formatter can check. It helps identify structural problems and code smells.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Good fit Use it when reviewing code, refactoring modules, discussing architecture, or deciding whether a design pattern fits.

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Install with agentmods
npx agentmods add skills/ratnesh-maurya/cursor-claude-personas/uncle-bob-craft
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add ratnesh-maurya/cursor-claude-personas --skill uncle-bob-craft
Clone the repo
git clone --depth 1 https://github.com/ratnesh-maurya/cursor-claude-personas

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for uncle-bob-craft

README.md
[![agentmods](https://agentmods.dev/badge/skills/ratnesh-maurya/cursor-claude-personas/uncle-bob-craft/github.svg)](https://agentmods.dev/skills/ratnesh-maurya/cursor-claude-personas/uncle-bob-craft)
Your own site
<a href="https://agentmods.dev/skills/ratnesh-maurya/cursor-claude-personas/uncle-bob-craft"><img src="https://agentmods.dev/badge/skills/ratnesh-maurya/cursor-claude-personas/uncle-bob-craft/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for uncle-bob-craft

Your own site · 80×15
<a href="https://agentmods.dev/skills/ratnesh-maurya/cursor-claude-personas/uncle-bob-craft"><img src="https://agentmods.dev/badge/skills/ratnesh-maurya/cursor-claude-personas/uncle-bob-craft.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 36 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,410 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00036 $0.02410
Opus 5 $0.00018 $0.01205
Sonnet 5 $0.00007 $0.00482
Haiku 4.5 $0.00004 $0.00241

Measured 9d ago against content hash 79975227a9c5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

uncle-bob-craft scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/uncle-bob-craft/SKILL.md · 165 lines

How it starts

The opening of the file, as written. The whole thing — 165 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Uncle Bob Craft

Apply Robert C. Martin (Uncle Bob) criteria for code review and production: Clean Code, Clean Architecture, The Clean Coder, Clean Agile, and design-pattern discipline. This skill is complementary to the existing @clean-code skill (which focuses on the Clean Code book) and to your project's linter/formatter—it does not replace them.

Overview

This skill aggregates principles from Uncle Bob's body of work for reviewing and writing code: naming and functions (via @clean-code), architecture and boundaries (Clean Architecture), professionalism and estimation (The Clean Coder), agile values and practices (Clean Agile), and design-pattern use vs misuse. Use it to evaluate structure, dependencies, SOLID in context, code smells, and professional practices. It provides craft and design criteria only—not syntax or style enforcement, which remain the responsibility of your linter and formatter.

When to Use This Skill

  • Code review: Apply Dependency Rule, boundaries, SOLID, and smell heuristics; suggest concrete refactors.
  • Refactoring: Decide what to extract, where to draw boundaries, and whether a design pattern is justified.
  • Architecture discussion: Check layer boundaries, dependency direction, and separation of concerns.
  • Design patterns: Assess correct use vs cargo-cult or overuse before introducing a pattern.
  • Estimation and professionalism: Apply Clean Coder ideas (saying no, sustainable pace, three-point estimates).
  • Agile practices: Reference Clean Agile (Iron Cross, TDD, refactoring, pair programming) when discussing process.
  • Do not use to replace or override the project's linter, formatter, or automated tests.

Aggregators by Source

Source Focus Where to go
Clean Code Names, functions, comments, formatting, tests, classes, smells Use @clean-code for detail; this skill references it for review/production.
Clean Architecture Dependency Rule, layers, boundaries, SOLID in architecture See reference.md and references/clean-architecture.md.
The Clean Coder Professionalism, estimation, saying no, sustainable pace See reference.md and references/clean-coder.md.
Clean Agile Values, Iron Cross, TDD, refactoring, pair programming See reference.md and references/clean-agile.md.
Design patterns When to use, misuse, cargo cult See reference.md and references/design-patterns.md.

Read the full file on GitHub · 165 lines

Files

What ships with it

7 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 165 lines · 36 tokens per session scan A 79975227a9c5

Subscribe to this mod's changes

uncle-bob-craft is a skill published in the GitHub repository ratnesh-maurya/cursor-claude-personas (8 stars, last pushed 5mo ago), licensed MIT. It adds 36 tokens to every session and 2,410 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.