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 furkangonel/cowrangler --skill executive-summarizergit clone --depth 1 https://github.com/furkangonel/cowranglerWrote 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/furkangonel/cowrangler/executive-summarizer)<a href="https://agentmods.dev/skills/furkangonel/cowrangler/executive-summarizer"><img src="https://agentmods.dev/badge/skills/furkangonel/cowrangler/executive-summarizer.svg" alt="Measured on agentmods" height="20"></a>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 | $0.00021 | $0.00702 |
| Opus 5 | $0.00010 | $0.00351 |
| Sonnet 5 | $0.00004 | $0.00140 |
| Haiku 4.5 | $0.00002 | $0.00070 |
Grade A, and why
executive-summarizer 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 7d 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 — 80 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Executive Summarizer Skill
Goal
Distill any long-form content into a sharp, decision-ready executive summary that a senior stakeholder can read in under 2 minutes. No fluff, no filler — only what matters.
Output Format
Always structure the summary as:
## Executive Summary: [Document/Topic Title]
**Bottom Line**
One-sentence answer to: "What do I need to know?"
**Key Points**
- [Most important finding or decision]
- [Second most important]
- [Third — stop at 5 max]
**Recommended Actions** (if applicable)
1. [Concrete next step]
2. [Next step]
**Context** (2–3 sentences max)
Brief background for why this matters now.
Steps
1. Read the full content first
Never summarize from a partial read. Understand the full scope before writing a single word of summary.
Success criteria: You can answer "what is the single most important thing in this document?" before writing.
2. Identify the core message
Ask: If the reader could only remember one thing, what should it be? That becomes the Bottom Line.
Success criteria: Bottom Line is one sentence, specific, and actionable.
3. Extract key points
Select the 3–5 findings, decisions, risks, or recommendations that most directly impact the reader's work. Skip supporting evidence, examples, and background — those belong in the full document.
Success criteria: Each key point stands alone without needing the full document to understand.
4. Surface action items
If the document implies or states next steps, list them as concrete actions with owners if mentioned.
Success criteria: Actions are specific ("Schedule Q3 review by Friday") not vague ("Consider next steps").
5. Write context (last)
Add 2–3 sentences of background only if the reader needs it to understand why this matters right now.
Success criteria: Context is shorter than the key points section.
Quality Check
- Total length: 150–250 words (never more than one page)
- No passive voice where avoidable
- No "in conclusion" or "as mentioned above" filler phrases
- If you're unsure what the bottom line is, ask the user before summarizing
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.
- 7d ago First seen · 80 lines · 21 tokens per session scan A 889de965fac1
executive-summarizer is a skill published in the GitHub repository furkangonel/cowrangler (2 stars, last pushed today), licensed MIT. It adds 21 tokens to every session and 702 once invoked, about $0.0001 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 2026-08-31.
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