c-code-style

c-code-style is a plugin for Claude Code from MaJerle/c-code-style. Its manifest loads nothing; the 1 skill it bundles cost 79 tokens per session together, scanned A, original, MIT.

A plugin containing C coding-style rules and clang-format enforcement for coding agents. clang-format is a tool that automatically applies consistent C code formatting.

In plain words
What is it for?
Use it when an agent writes or reformats C code and the project follows that style guide.
Why use it?
It helps keep generated C code consistent with Tilen Majerle's style guide and reduces formatting differences between contributions.

Plugin for Claude Code

Written for Claude Code: a Claude Code plugin manifest.

Good fit Use it when an agent writes or reformats C code and the project follows that style guide.

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Install in Claude Code
/plugin marketplace add MaJerle/c-code-style
/plugin install c-code-style
About the project

MaJerle/c-code-style is a set of recommended rules for writing, editing, and formatting standard C99-or-later code. It helps C developers keep source code consistent, and its catalogue entry includes an AI agent skill for applying those rules.

MaJerle/c-code-style · 1,357 stars · on GitHub · majerle.eu

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.

Clone the repo
git clone --depth 1 https://github.com/MaJerle/c-code-style

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 c-code-style

README.md
[![agentmods](https://agentmods.dev/badge/plugins/majerle/c-code-style/c-code-style/github.svg)](https://agentmods.dev/plugins/majerle/c-code-style/c-code-style)
Your own site
<a href="https://agentmods.dev/plugins/majerle/c-code-style/c-code-style"><img src="https://agentmods.dev/badge/plugins/majerle/c-code-style/c-code-style/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 c-code-style

Your own site · 80×15
<a href="https://agentmods.dev/plugins/majerle/c-code-style/c-code-style"><img src="https://agentmods.dev/badge/plugins/majerle/c-code-style/c-code-style.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured The manifest loads nothing itself; its 1 skill cost 79 tokens a session between them.
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.
Security

Grade A, and why

c-code-style 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 1mo 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-plugin/plugin.json · 12 lines

What it actually says

{
  "name": "c-code-style",
  "version": "1.0.0",
  "description": "C coding style rules and clang-format enforcement for AI coding agents, based on Tilen Majerle's C style guide.",
  "author": {
    "name": "Tilen Majerle",
    "url": "https://github.com/MaJerle"
  },
  "homepage": "https://github.com/MaJerle/c-code-style",
  "license": "MIT"
}
Contents

What it installs

The manifest is a name and a version. 1 skill travel with it, and installing the plugin installs all of them — 79 tokens a session between them. Each is measured on its own page, and each can be installed alone.

Files

What ships with it

1 file beside plugin.json 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. 1mo ago First seen · 12 lines scan A 94f19fc9ff96

Subscribe to this mod's changes

c-code-style is a plugin published in the GitHub repository MaJerle/c-code-style (1,357 stars, last pushed 1mo ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. 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 2026-08-30.