coding-standards

coding-standards is a skill for Claude Code, Codex from Fmarzochi/EGC. It costs 35 tokens per session (3,105 once invoked), scanned A, a copy of coding-standards, Apache-2.0.

A baseline set of coding conventions for naming, readability, immutability, error handling, and maintainable code.

In plain words
What is it for?
Use it when starting modules, reviewing or refactoring code, setting up linting and formatting, or onboarding contributors.
Why use it?
It gives projects a shared minimum standard without replacing guidance for a particular framework or backend architecture.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/fmarzochi/egc/coding-standards
Any agent
npx skills add Fmarzochi/EGC --skill coding-standards
Clone the repo
git clone --depth 1 https://github.com/Fmarzochi/EGC

Made for: Claude Code, Codex.

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 coding-standards

README.md
[![agentmods](https://agentmods.dev/badge/skills/fmarzochi/egc/coding-standards.svg)](https://agentmods.dev/skills/fmarzochi/egc/coding-standards)
Your own site
<a href="https://agentmods.dev/skills/fmarzochi/egc/coding-standards"><img src="https://agentmods.dev/badge/skills/fmarzochi/egc/coding-standards.svg" alt="Measured on agentmods" height="20"></a>
Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,105 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin 89% copy Near-identical to another mod 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 $0.00035 $0.03105
Opus 5 $0.00017 $0.01553
Sonnet 5 $0.00007 $0.00621
Haiku 4.5 $0.00003 $0.00311

Measured 4d ago against content hash 27355736d21e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

coding-standards scanned grade A with 1 finding 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 4d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

const response = await fetch(url)
Origin

This is a copy

89% identical to coding-standards — 7 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agents/skills/coding-standards/SKILL.md · 549 lines

How it starts

The opening of the file, as written. The whole thing — 549 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Coding Standards & Best Practices

Baseline coding conventions applicable across projects.

This skill is the shared floor, not the detailed framework playbook.

  • Use frontend-patterns for React, state, forms, rendering, and UI architecture.
  • Use backend-patterns or api-design for repository/service layers, endpoint design, validation, and server-specific concerns.
  • Use rules/common/coding-style.md when you need the shortest reusable rule layer instead of a full skill walkthrough.

When to Activate

  • Starting a new project or module
  • Reviewing code for quality and maintainability
  • Refactoring existing code to follow conventions
  • Enforcing naming, formatting, or structural consistency
  • Setting up linting, formatting, or type-checking rules
  • Onboarding new contributors to coding conventions

Scope Boundaries

Activate this skill for:

  • descriptive naming
  • immutability defaults
  • readability, KISS, DRY, and YAGNI enforcement
  • error-handling expectations and code-smell review

Do not use this skill as the primary source for:

  • React composition, hooks, or rendering patterns
  • backend architecture, API design, or database layering
  • domain-specific framework guidance when a narrower EGC skill already exists

Code Quality Principles

1. Readability First

  • Code is read more than written
  • Clear variable and function names
  • Self-documenting code preferred over comments
  • Consistent formatting

2. KISS (Keep It Simple, Stupid)

  • Simplest solution that works
  • Avoid over-engineering
  • No premature optimization
  • Easy to understand > clever code

3. DRY (Don't Repeat Yourself)

  • Extract common logic into functions
  • Create reusable components
  • Share utilities across modules
  • Avoid copy-paste programming

4. YAGNI (You Aren't Gonna Need It)

  • Don't build features before they're needed
  • Avoid speculative generality
  • Add complexity only when required
  • Start simple, refactor when needed

TypeScript/JavaScript Standards

Variable Naming

Read the full file on GitHub · 549 lines

Files

What ships with it

1 file 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. 4d ago First seen · 549 lines · 35 tokens per session scan A 27355736d21e

Subscribe to this mod's changes

coding-standards is a skill published in the GitHub repository Fmarzochi/EGC (48 stars, last pushed today), licensed Apache-2.0. It adds 35 tokens to every session and 3,105 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 89% identical to coding-standards, differing in 7 lines, and is treated as a copy.

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