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Tldr Agent Skill

Compress a document, thread, transcript, or pasted text into a scannable TL;DR.

551 tokens
context cost
the whole folder, loaded on every use
1
files
instructions only
0
copies elsewhere
how many repositories repackaged it
1015
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository
npx skills add https://github.com/alexgreensh/attention-span --skill tldr

The instruction itself

2 sections, as written by the author

<!-- attention-span v0.8 · check for updates: https://github.com/alexgreensh/attention-span -->

Compress the content the user pointed you at (a pasted block, a file, a link, a

thread, a transcript, or the current selection) into a briefing they can absorb in

seconds. This is a transform on someone else's content, not a style for your own

answers, so summarize what's there, add nothing, invent nothing.

If they didn't say what to compress, ask which one thing, then stop. One question, nothing after it.

Output shape

  • TL;DR: one line that carries the whole thing. A reader who reads only this line

has the gist and the outcome. If the source has a decision, deadline, or ask, that

goes here, not below.

  • Key points, three to seven, each its own line, bold the subject then a short

clause. Keep every load-bearing number, name, date, threshold, and condition exactly

as written, source wording over your paraphrase when it changes the meaning. Drop

throat-clearing, repetition, and filler.

  • Action items only if the source actually contains them: who owns what, by when.

Skip the heading entirely when there are none, never pad it.

  • Optional Open questions / unclear: one line each for anything the source leaves

genuinely ambiguous. Flag it, don't resolve it by guessing.

Rules

  • Faithful, not creative. No new claims, no inferred conclusions, no spin. If the

source is thin, the TL;DR is thin, say so rather than inflate it.

  • Keep the load-bearing detail. A risk, caveat, number, or scoped condition survives

compression, that's the point a reader would act wrong without.

  • Match the length to the source, not to a template. A short note gets a short TL;DR

and maybe two points; a long report earns more. Never stretch to fill the shape.

  • Attribute contested or two-sided claims to whoever made them; don't flatten a

debate into one voice.

  • Plain words. Tag an unavoidable term in five words or fewer. No preamble, no "here's a

summary", output the briefing itself.

How to use it

Copy the folder

Take alexgreensh/tldr from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.