g-onboard

g-onboard is a skill for Claude Code from onlygian/G-Forge. It costs 63 tokens per session (2,562 once invoked), scanned A, original, GPL-3.0.

An onboarding process for adding G-Forge to an existing codebase by first reading its current rules, agents, and task records.

In plain words
What is it for?
It is for producing or updating g-docs/projectbrief.md for an existing project.
Why use it?
It reduces repeated questions and helps the project brief reflect information already documented in the codebase.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the g-forge plugin — 38 skills, 1 command, 69 agents shipped together

Good fit It is for producing or updating g-docs/projectbrief.md for an existing project.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/onlygian/g-forge/g-onboard
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 onlygian/G-Forge --skill g-onboard
Clone the repo
git clone --depth 1 https://github.com/onlygian/G-Forge

Made for: Claude Code.

Or install g-forge, the plugin that ships this one along with the rest of its 38 skills, 1 command, 69 agents.

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 g-onboard

README.md
[![agentmods](https://agentmods.dev/badge/skills/onlygian/g-forge/g-onboard.svg)](https://agentmods.dev/skills/onlygian/g-forge/g-onboard)
Your own site
<a href="https://agentmods.dev/skills/onlygian/g-forge/g-onboard"><img src="https://agentmods.dev/badge/skills/onlygian/g-forge/g-onboard.svg" alt="Measured on agentmods" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,562 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 unknown 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 $0.00063 $0.02562
Opus 5 $0.00032 $0.01281
Sonnet 5 $0.00013 $0.00512
Haiku 4.5 $0.00006 $0.00256

Measured 4d ago against content hash 1450c453f711, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

g-onboard 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 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.

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.

skills/g-onboard/SKILL.md · 254 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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 · 254 lines · 63 tokens per session scan A 1450c453f711

Subscribe to this mod's changes

g-onboard is a skill published in the GitHub repository onlygian/G-Forge (3 stars, last pushed yesterday), licensed GPL-3.0. It adds 63 tokens to every session and 2,562 once invoked, about $0.0003 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.

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