github-auth

github-auth is a skill for Claude Code, Codex from CHENyiru3/AI-Skills-Collections. It costs 48 tokens per session (1,968 once invoked), scanned F, a copy of github-auth, MIT.

A setup guide for authenticating an agent with GitHub through Git or the GitHub CLI. It covers HTTPS tokens, SSH keys, credential helpers, and choosing an available method.

In plain words
What is it for?
Use it to check the current login state and configure GitHub access with either Git credentials or the gh command-line tool.
Why use it?
It helps the agent access repositories, pull requests, issues, and continuous-integration jobs without assuming a particular authentication tool is installed.

Skill for Claude CodeCodex

Which agent this was written for is unclear — built for hermes-agent. Also seen: built for hermes-agent.

Good fit Use it to check the current login state and configure GitHub access with either Git credentials or the gh command-line tool.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/chenyiru3/ai-skills-collections/github-auth
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 CHENyiru3/AI-Skills-Collections --skill github-auth
Clone the repo
git clone --depth 1 https://github.com/CHENyiru3/AI-Skills-Collections

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 github-auth

README.md
[![agentmods](https://agentmods.dev/badge/skills/chenyiru3/ai-skills-collections/github-auth/github.svg)](https://agentmods.dev/skills/chenyiru3/ai-skills-collections/github-auth)
Your own site
<a href="https://agentmods.dev/skills/chenyiru3/ai-skills-collections/github-auth"><img src="https://agentmods.dev/badge/skills/chenyiru3/ai-skills-collections/github-auth/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 github-auth

Your own site · 80×15
<a href="https://agentmods.dev/skills/chenyiru3/ai-skills-collections/github-auth"><img src="https://agentmods.dev/badge/skills/chenyiru3/ai-skills-collections/github-auth.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,968 The whole file, excluding the scripts and references it only reads on demand.
Security scan F 4 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 91% 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 5.1 $0.00048 $0.01968
Opus 5.5 $0.00019 $0.00787
Sonnet 5.5 $0.00010 $0.00394
Haiku 4.5 $0.00005 $0.00197

Measured 6d ago against content hash 94a557d0ec94, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade F, and why

github-auth scanned grade F with 4 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 6d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/gh-env.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Enumerates the file system for secretshighData exfiltration

Searching home directories for .env, .ssh, .aws or credential files is reconnaissance for credential theft.

ls -la ~/.ssh/id_*.pub 2>/dev/null || echo "No SSH keys found"

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

3. If `gh` is not installed → use "git-only" method below (no sudo needed)

Reaches for credential fileshighPrivilege escalation

SSH keys, cloud credentials, git-credentials, .npmrc, /etc/shadow: reading these is how a config file becomes a credential leak.

ssh-keygen -t ed25519 -C "[email protected]" -f ~/.ssh/id_ed25519 -N ""

Makes network callslowCapability

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

When `gh` is not available, you can still access the full GitHub API using `curl` with a personal access token. This is how the other GitHub skills implement their fallbacks.
Origin

This is a copy

91% identical to github-auth — 22 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.

skills-market/platforms/github/github-auth/SKILL.md · 248 lines

How it starts

The opening of the file, as written. The whole thing — 248 lines — stays where its author put it; the contents beside it link to each section on GitHub.

GitHub Authentication Setup

This skill sets up authentication so the agent can work with GitHub repositories, PRs, issues, and CI. It covers two paths:

  • git (always available) — uses HTTPS personal access tokens or SSH keys
  • gh CLI (if installed) — richer GitHub API access with a simpler auth flow

Detection Flow

When a user asks you to work with GitHub, run this check first:

# Check what's available
git --version
gh --version 2>/dev/null || echo "gh not installed"

# Check if already authenticated
gh auth status 2>/dev/null || echo "gh not authenticated"
git config --global credential.helper 2>/dev/null || echo "no git credential helper"

Decision tree:

  1. If gh auth status shows authenticated → you're good, use gh for everything
  2. If gh is installed but not authenticated → use "gh auth" method below
  3. If gh is not installed → use "git-only" method below (no sudo needed)

Method 1: Git-Only Authentication (No gh, No sudo)

This works on any machine with git installed. No root access needed.

Option A: HTTPS with Personal Access Token (Recommended)

This is the most portable method — works everywhere, no SSH config needed.

Step 1: Create a personal access token

Tell the user to go to: https://github.com/settings/tokens

  • Click "Generate new token (classic)"
  • Give it a name like "hermes-agent"
  • Select scopes:
    • repo (full repository access — read, write, push, PRs)
    • workflow (trigger and manage GitHub Actions)
    • read:org (if working with organization repos)
  • Set expiration (90 days is a good default)
  • Copy the token — it won't be shown again

Step 2: Configure git to store the token

# Set up the credential helper to cache credentials
# "store" saves to ~/.git-credentials in plaintext (simple, persistent)
git config --global credential.helper store

# Now do a test operation that triggers auth — git will prompt for credentials
# Username: <their-github-username>
# Password: <paste the personal access token, NOT their GitHub password>
git ls-remote https://github.com/<their-username>/<any-repo>.git

Read the full file on GitHub · 248 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. 6d ago First seen · 248 lines · 48 tokens per session scan F 94a557d0ec94

Subscribe to this mod's changes

github-auth is a skill published in the GitHub repository CHENyiru3/AI-Skills-Collections (1 stars, last pushed 7d ago), licensed MIT. It adds 48 tokens to every session and 1,968 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it F with 4 findings (enumerates the file system for secrets, asks for root, reaches for credential files). It is 91% identical to github-auth, differing in 22 lines, and is treated as a copy.