report-writing

report-writing is a skill for Claude Code from zircote-plugins/sigint. It costs 61 tokens per session (3,168 once invoked), scanned A, original, MIT.

A guide for turning research findings into clear reports for decision-makers. It defines how to structure summaries, findings, recommendations, risks, sources, and diagrams without making up unsupported data.

In plain words
What is it for?
Use it to write executive summaries, research reports, analysis documents, business reports, and professional presentations of findings.
Why use it?
It helps readers understand the conclusion and its implications quickly instead of sorting through unstructured research notes. It also makes recommendations more specific and accountable.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: positional $N argument.

Part of the sigint plugin — 16 skills, 9 commands, 6 agents, 1 hook shipped together

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.

agentmods
npx agentmods add skills/zircote-plugins/sigint/report-writing
Any agent
npx skills add zircote-plugins/sigint --skill report-writing
Clone the repo
git clone --depth 1 https://github.com/zircote-plugins/sigint

Made for: Claude Code.

Or install sigint, the plugin that ships this one along with the rest of its 16 skills, 9 commands, 6 agents, 1 hook.

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 report-writing

README.md
[![agentmods](https://agentmods.dev/badge/skills/zircote-plugins/sigint/report-writing.svg)](https://agentmods.dev/skills/zircote-plugins/sigint/report-writing)
Your own site
<a href="https://agentmods.dev/skills/zircote-plugins/sigint/report-writing"><img src="https://agentmods.dev/badge/skills/zircote-plugins/sigint/report-writing.svg" alt="Measured on agentmods" height="20"></a>
Per session 61 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,168 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original 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 $0.00061 $0.03168
Opus 5 $0.00030 $0.01584
Sonnet 5 $0.00012 $0.00634
Haiku 4.5 $0.00006 $0.00317

Measured 6d ago against content hash c9178892861a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

report-writing 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 6d 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/report-writing/SKILL.md · 335 lines

How it starts

The opening of the file, as written. The whole thing — 335 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Report Writing

Overview

Report writing transforms research findings into clear, actionable documents for decision-makers. This skill covers best practices for structuring, writing, and visualizing market research outputs.

Critical Rules

  1. ALWAYS start with the Executive Summary — no report should open with methodology, background, or definitions. The first substantive section must state the bottom-line findings and recommendation.
  2. NEVER fabricate data — if a number is not provided, say so explicitly. Present ranges when sources disagree. Use hedging language ("data suggests", "estimated") for uncertain claims.
  3. EVERY finding must have a "so what" — orphan facts that don't connect to implications or recommendations waste the reader's time.
  4. ALWAYS use active voice — passive voice obscures who did what. Write "Stripe captured 40% share" not "40% share was captured by Stripe".
  5. ALWAYS include at least one Mermaid diagram — visualization is not optional. Use pie charts for composition, quadrant charts for positioning, state diagrams for scenarios.
  6. Recommendations MUST include What/Why/How/Risk — vague recommendations ("consider expanding") are useless. Be specific and actionable.
  7. Preserve exact data from the user — do not round, reinterpret, or omit numbers the user provides. Every data point given must appear in the output.
  8. Match report type to audience — executive briefs for C-suite (1-2 pages), research summaries for VPs (3-5 pages), full reports for analysts (10-30 pages).

Report Type Selection

When the user does not specify a report type, use this decision table:

Signal in User Prompt Default Report Type
"executive brief", "for the CEO", "quick summary" Executive Brief
"research summary", "3-5 pages", "for VPs" Research Summary
"full report", "comprehensive", "detailed", "include everything" Full Report
"data pack", "supporting data", "appendix only" Appendix/Data Pack
No clear signal Research Summary (safest default)

Read the full file on GitHub · 335 lines

Files

What ships with it

7 files 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 · 335 lines · 61 tokens per session scan A c9178892861a

Subscribe to this mod's changes

report-writing is a skill published in the GitHub repository zircote-plugins/sigint (20 stars, last pushed 19d ago), licensed MIT. It adds 61 tokens to every session and 3,168 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 2026-08-30.

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