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blog: Skill for Claude Code

.claude/skills/reference/SKILL.md

reference is a skill for Claude Code from gbmhunter/blog. It costs 106 tokens per session (2,256 once invoked), scanned A, original, no licence file.

A citation helper that fetches source details, formats a reference, and inserts it into a blog page's references section.

In plain words
What is it for?
Use it when adding a reference from a URL or citing a source in a blog post.
Why use it?
It removes the need to look up publication details and format each citation by hand.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is gbmhunter/blog's own configuration. It tells Claude Code how to work on blog itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything blog configures →

not rated 74repo +5 2d ago A scan 106 tokens custom licence
View source ↗ gbmhunter/blog blog.mbedded.ninja
Reuse

Borrowing it

Nothing to install: this file belongs to gbmhunter/blog. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/gbmhunter/blog/master/.claude/skills/reference/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/gbmhunter/blog

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 reference

README.md
[![agentmods](https://agentmods.dev/badge/skills/gbmhunter/blog/reference/github.svg)](https://agentmods.dev/skills/gbmhunter/blog/reference)
Your own site
<a href="https://agentmods.dev/skills/gbmhunter/blog/reference"><img src="https://agentmods.dev/badge/skills/gbmhunter/blog/reference/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 reference

Your own site · 80×15
<a href="https://agentmods.dev/skills/gbmhunter/blog/reference"><img src="https://agentmods.dev/badge/skills/gbmhunter/blog/reference.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 106 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,256 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 $0.00106 $0.02256
Opus 5.5 $0.00042 $0.00902
Sonnet 5.5 $0.00021 $0.00451
Haiku 4.5 $0.00011 $0.00226

Measured 2mo ago against content hash 5035fa667da9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

reference 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 2mo 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/skills/reference/SKILL.md · 146 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

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. 2mo ago First seen · 146 lines · 106 tokens per session scan A 5035fa667da9

Subscribe to this mod's changes

reference is a skill published in the GitHub repository gbmhunter/blog (74 stars, last pushed 2d ago), with no licence file. It adds 106 tokens to every session and 2,256 once invoked, about $0.0004 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 2026-08-30.

Writing and docsblogelectronicsembeddedengineeringhugowebsite
Related

reference compared with skills from other repositories

reference next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
referencegbmhunter/blogSkill742d agononeA106Claude Code
volt-otatonone-ai/tononeSkill7723d agoMITA70Claude Code
volt-firmwaretonone-ai/tononeSkill7723d agoMITA76Claude Code
volt-drivertonone-ai/tononeSkill7723d agoMITA63Claude Code
volt-powertonone-ai/tononeSkill7723d agoMITA65Claude Code
volt-recontonone-ai/tononeSkill7723d agoMITA52Claude Code
nuedcProfYangShengXu/nuedc-skillsSkill28d agoMITA65Claude Code, Codex