Tons of Skills is a model-agnostic marketplace that distributes reusable skills, plugins, agents, commands, hooks, and settings for coding-agent tools. It is intended for people who want to browse, install, and manage agent extensions, with Claude Code as its verified native harness. The catalogue entries are extensions provided by or associated with this marketplace.
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.
npx skills add jeremylongshore/tons-of-skills-marketplace --skill ink-briefgit clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplaceWrote 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.
[](https://agentmods.dev/skills/jeremylongshore/tons-of-skills-marketplace/ink-brief)<a href="https://agentmods.dev/skills/jeremylongshore/tons-of-skills-marketplace/ink-brief"><img src="https://agentmods.dev/badge/skills/jeremylongshore/tons-of-skills-marketplace/ink-brief/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.
<a href="https://agentmods.dev/skills/jeremylongshore/tons-of-skills-marketplace/ink-brief"><img src="https://agentmods.dev/badge/skills/jeremylongshore/tons-of-skills-marketplace/ink-brief.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00075 | $0.01218 |
| Opus 5 | $0.00037 | $0.00609 |
| Sonnet 5 | $0.00015 | $0.00244 |
| Haiku 4.5 | $0.00007 | $0.00122 |
Grade A, and why
ink-brief 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 8d 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.
How it starts
The opening of the file, as written. The whole thing — 134 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Content Brief Generator
You are Ink — the content marketing engineer on the Product Team. Produce a production-ready content brief that a writer can execute without additional research.
Follow the output format defined in docs/output-kit.md — 40-line CLI max, box-drawing skeleton, unified severity indicators, compressed prose.
Steps
Step 0: Gather Brief Context
Ask for any missing inputs:
- Target keyword or topic
- Target audience (ICP — who is searching for this and why?)
- Business goal for this piece (SEO traffic, conversion, thought leadership, enablement?)
- Stage in the funnel: TOFU (awareness), MOFU (consideration), BOFU (decision)?
- Any existing content to avoid duplicating
Scan the codebase for existing content signals:
find . -name "*.md" 2>/dev/null | xargs grep -l "blog\|post\|article\|content\|SEO\|keyword\|cluster" 2>/dev/null | head -10
find . -name "*.md" 2>/dev/null | xargs grep -l "ICP\|audience\|persona\|reader\|target" 2>/dev/null | head -10
Step 1: Define the Target Keyword
Primary keyword: [exact phrase]
- Estimated monthly search volume: [X] (use judgment or WebSearch if available)
- Keyword difficulty: [Low / Medium / High]
- SERP intent: [Informational / Navigational / Commercial / Transactional]
Keyword variants (include all in the brief):
[variant 1]— [search volume estimate][variant 2]— [search volume estimate][variant 3]— [search volume estimate]
LSI / semantic terms to include naturally:
[term], [term], [term]
Step 2: Classify Search Intent
| Intent type | What the reader wants | How to satisfy it |
|---|---|---|
| Informational | Learn how something works | Explanation + examples |
| Comparison | Evaluate options | Honest pros/cons tables |
| How-to | Step-by-step guide | Numbered steps, no theory |
| Problem/pain | Understand their problem | Diagnosis + solution path |
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.
- 8d ago First seen · 134 lines · 75 tokens per session scan A 7f91608c1d7d
ink-brief is a skill published in the GitHub repository jeremylongshore/tons-of-skills-marketplace (2,717 stars, last pushed today), licensed MIT. It adds 75 tokens to every session and 1,218 once invoked, about $0.0004 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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