A skill for Claude/Codex based on Winston Churchill's 1940 War Cabinet memo, "Brevity."
On 9 August 1940, with the Battle of Britain underway, Churchill took the time to order his entire government to write shorter reports. One page, four rules, signed W.S.C.
This skill makes your AI follow those rules: main points first in short crisp paragraphs, detail in an appendix, headings instead of prose when headings suffice, and an end to woolly phrases.
One command. Works with Claude Code, Cursor, Codex, and any agent that supports Agent Skills:
npx skills add franparga/brevityAdd -g to install it globally across projects:
npx skills add franparga/brevity -gClaude.ai: Settings, Capabilities, Skills, upload the brevity folder.
Manual: copy the brevity folder into ~/.claude/skills/.
That's it. Next time you ask for a report, memo, or email, it writes like it's 1940 and there's a war on.
SECRET. W.P.(G)(40) 211. 9TH AUGUST, 1940.
WAR CABINET. BREVITY.
Memorandum by the Prime Minister.
To do our work, we all have to read a mass of papers. Nearly all of them are far too long. This wastes time, while energy has to be spent in looking for the essential points.
I ask my colleagues and their staffs to see to it that their Reports are shorter.
(i) The aim should be Reports which set out the main points in a series of short, crisp paragraphs.
(ii) If a Report relies on detailed analysis of some complicated factors, or on statistics, these should be set out in an Appendix.
(iii) Often the occasion is best met by submitting not a full-dress Report, but an Aide-memoire consisting of headings only, which can be expanded orally if needed.
(iv) Let us have an end of such phrases as these: "It is also of importance to bear in mind the following considerations......", or "Consideration should be given to the possibility of carrying into effect.....". Most of these woolly phrases are mere padding, which can be left out altogether, or replaced by a single word. Let us not shrink from using the short expressive phrase, even if it is conversational.
Reports drawn up on the lines I propose may at first seem rough as compared with the flat surface of officialese jargon. But the saving in time will be great, while the discipline of setting out the real points concisely will prove an aid to clearer thinking.
W.S.C.
10, Downing Street. 9TH AUGUST, 1940.
Skill text: MIT. The original memo (W.P.(G)(40) 211, UK National Archives) is in the public domain, Crown copyright expired.