source-code-management

source-code-management is a skill for Codex from greenpau/caddy-security. It costs 35 tokens per session (2,129 once invoked), scanned A, original, Apache-2.0.

A guide for writing repository commit messages. A commit is a saved set of code changes in Git, and the guide requires a specific subject format and supporting details.

In plain words
What is it for?
Use it to inspect a requested change and prepare a compliant commit-message file without staging or committing files.
Why use it?
It keeps commit messages consistent and makes clear that writing a message does not create a commit, tag a release, or publish code. It also requires the message to describe the actual change and validation.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: mentions AGENTS.md.

Good fit Use it to inspect a requested change and prepare a compliant commit-message file without staging or committing files.

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Install with agentmods
npx agentmods add skills/greenpau/caddy-security/source-code-management
About the project

caddy-security is a security application and set of plugins for Caddy v2, a web server, that handles user authentication and controls access to HTTP requests. It supports methods including local, LDAP, OpenID Connect, OAuth 2.0, SAML, JWT, and PASETO, and is used to protect web services behind Caddy.

greenpau/caddy-security · 2,263 stars · on GitHub · authcrunch.com

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 greenpau/caddy-security --skill source-code-management
Clone the repo
git clone --depth 1 https://github.com/greenpau/caddy-security

Made for: 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 source-code-management

README.md
[![agentmods](https://agentmods.dev/badge/skills/greenpau/caddy-security/source-code-management/github.svg)](https://agentmods.dev/skills/greenpau/caddy-security/source-code-management)
Your own site
<a href="https://agentmods.dev/skills/greenpau/caddy-security/source-code-management"><img src="https://agentmods.dev/badge/skills/greenpau/caddy-security/source-code-management/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 source-code-management

Your own site · 80×15
<a href="https://agentmods.dev/skills/greenpau/caddy-security/source-code-management"><img src="https://agentmods.dev/badge/skills/greenpau/caddy-security/source-code-management.svg" alt="Reviewed on agentmods" width="80" 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 2,129 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 $0.00035 $0.02129
Opus 5.5 $0.00014 $0.00852
Sonnet 5.5 $0.00007 $0.00426
Haiku 4.5 $0.00003 $0.00213

Measured today against content hash 39eb01d353b8, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

source-code-management 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 today.

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.

.codex/skills/source-code-management/SKILL.md · 208 lines

How it starts

The opening of the file, as written. The whole thing — 208 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Source Code Management

Commit Message Rules

All commits must have a proper commit message. Inspect the requested diff and git status --short, including staged and unstaged work, before describing it. Use the user's requested scope; do not include unrelated work merely because it is present in the checkout. Describe the final behavior and actual validation, not a transcript or an abandoned implementation. Creating a message does not stage files, create a commit, tag a release, or publish changes.

A hand-written commit message subject line must conform to the following rules:

  • The first line of each commit message is the subject.
  • The subject line MUST be less than 87 characters long.
  • The subject line MUST NOT terminate with a period (.).
  • The subject line MUST start with a change indicator followed by a colon (:).

Change Indicators

This repository uses change indicators as a mix of product-surface labels and maintenance labels. Prefer the most specific product surface when the change is clearly about one Caddy security directive, parser, provider, or runtime path. Use a maintenance label when the change is repository plumbing, documentation, testing, release work, or a bug fix that cuts across multiple surfaces.

Selection rules:

  • Use exactly one indicator. Do not combine indicators or add parenthesized scopes.
  • Prefer public Caddyfile and module names over internal abbreviations. For example, use authenticate instead of authn, and authorize instead of authz.
  • Use caddyfile for parser/adaptation infrastructure that affects several directives, Caddyfile fixture changes, or generic config loading.
  • Use provider indicators such as ldap, oauth, or saml only when the change is provider-specific. Use identity when the change is shared by identity stores or identity providers.
  • Use breakfix for a reported regression, panic, or shipped behavior that is visibly broken for users. Use fix for narrower correctness fixes that are not tied to a known user breakage.
  • Use tests, not unittest, for Go tests, Caddyfile adapt fixtures, and testdata changes whose primary purpose is coverage.
  • Use skills for AI agent skills, skill metadata, or agent-facing repository instructions. Prefer it over docs or ops when the primary purpose is helping AI agents work with this repository.
  • Use ops for dependency or toolchain version bumps. Use build only when the build behavior itself changes.
  • The Makefile release target creates the subject ops: released v<VERSION>. For hand-written release workflow changes, use ops. Follow release-and-versioning for the release procedure and publication scope; an automated subject does not replace the body requirements for hand-written commit messages.
  • Use various only when a commit intentionally spans unrelated surfaces and no more specific indicator is honest.
  • Normalize older repository labels when creating new messages: use authenticate for authn, authorize for authz, ldap for ids/ldap, local for ids/local, feat for feature, and tests for unittest. Replace misc or chore with a more specific indicator when possible, or ops/various when it is truly general maintenance.
  • Use colon form for new dependency bumps, such as ops: update go-authcrunch dependency.

Read the full file on GitHub · 208 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. today First seen · 208 lines · 35 tokens per session scan A 39eb01d353b8

Subscribe to this mod's changes

source-code-management is a skill published in the GitHub repository greenpau/caddy-security (2,263 stars, last pushed today), licensed Apache-2.0. It adds 35 tokens to every session and 2,129 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-10-25.

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