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

AGPL-3.0Auto-check passedWriting & Content

Install Tldr

skills CLI
$ npx skills add alexgreensh/attention-span --skill tldr -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install alexgreensh/attention-span tldr --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/alexgreensh/attention-span.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/tldr .claude/skills/tldr && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
tldr
GitHub stars
1.4k
Token cost
~552 tokens
SKILL.md length
320 words
Files
1
Skills in repo
4
Repo updated
First seen
Licence
AGPL-3.0

At a glance

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

  • Works in 4 steps: TL;DR: one line that carries the whole… → Key points, three to seven, each its own… → Action items only if the source actually… → …
  • Tasks that involve Summarization
  • SKILL.md covers Output shape and Rules
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Tldr is an agent skill from alexgreensh/attention-span. Compress a document, thread, transcript, or pasted text into a scannable TL;DR.

Its SKILL.md is about 550 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Writing & Content, covering Summarization. The repository describes itself as: Make your agents talk human. ADHD-friendly output styles for Claude Code, Codex, and others. So you can pay attention, not tokens. The licence is AGPL-3.0.

When your agent uses it

  • Tasks that involve Summarization

Example prompts

  • “/tldr”

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. TL;DR: one line that carries the whole thing. A reader who reads only this line
  2. Key points, three to seven, each its own line, bold the subject then a short
  3. Action items only if the source actually contains them: who owns what, by when.
  4. Optional Open questions / unclear: one line each for anything the source leaves

What it can do on your machine

Read from SKILL.md and the folder at commit 2714c96. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Tldr loads about 552 tokens when it runs. Until then it costs about 21 tokens; SKILL.md has 320 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~21
When it runs · the whole SKILL.md, loaded when a task matches
~552

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from alexgreensh/attention-span at commit 2714c96, republished under its AGPL-3.0 licence (© alexgreensh). 320 words, ~552 tokens.

Download SKILL.mdSave it as .claude/skills/tldr/SKILL.md (or your agent's skills folder).
name
tldr
description
Compress a document, thread, transcript, or pasted text into a scannable TL;DR.
disable-model-invocation
true
<!-- 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

  1. 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.

  2. 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.

  3. 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.

  4. 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.

© alexgreensh, AGPL-3.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/tldr of alexgreensh/attention-span.

Open the folder on GitHubat commit 2714c96

Compare with similar skills

Tldr next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Tldr compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Tldr this skillalexgreensh/attention-span1.4k—~552Automated safety check: PassAGPL-3.0
News Aggregator Skillcclank/news-aggregator-skill1.3k—~2.1kAutomated safety check: PassNone
AI Daily Newsgeekjourneyx/ai-daily-skill235—~2.3kAutomated safety check: PassNone
Vss Search ArchiveNVIDIA-AI-Blueprints/video-search-and-summarization1.9k—~3.3kAutomated safety check: PassApache-2.0
AnalyzeriBigQiang/feedgrab614—~1kAutomated safety check: PassMIT
Reportmicrosoft/data-formulator18k—~1.5kAutomated safety check: PassMIT

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More from alexgreensh/attention-span

  • Attention Kind

    alexgreensh/attention-span

    Answer in the ADHD-friendly Attention-kind style for the rest of this chat.

    1.4k GitHub stars~2k tokensUpdated 1 mo ago
    Auto-check passed
  • Rundown

    alexgreensh/attention-span

    Answer in the Rundown briefing style (TL;DR + checklist + numbered choices).

    1.4k GitHub stars~677 tokensUpdated 1 mo ago
    Auto-check passed
  • Spartan

    alexgreensh/attention-span

    Answer in the terse, zero-warmth Spartan style for the rest of this chat.

    1.4k GitHub stars~943 tokensUpdated 1 mo ago
    Auto-check passed

Questions about Tldr

What does Tldr do?

Compress a document, thread, transcript, or pasted text into a scannable TL;DR. Tldr is an agent skill from alexgreensh/attention-span. Compress a document, thread, transcript, or pasted text into a scannable TL;DR.

When should I use Tldr?

Tldr fits situations like: tasks that involve Summarization.

How do I install Tldr in Claude Code?

Run `npx skills add alexgreensh/attention-span --skill tldr -a claude-code`. Or copy the skill folder (skills/tldr in alexgreensh/attention-span) into .claude/skills/tldr in your project. Claude Code loads it when a task matches its description.

How do I install Tldr in Codex?

Run `npx skills add alexgreensh/attention-span --skill tldr -a codex`. Or copy the skill folder (skills/tldr in alexgreensh/attention-span) into .agents/skills/tldr in your project. Codex loads it when a task matches its description.

Can I use Tldr in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add alexgreensh/attention-span --skill tldr -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/tldr, .gemini/skills/tldr, .github/skills/tldr and .opencode/skills/tldr in your project.

What does Tldr need to run?

SKILL.md names no scripts, command-line tools or credentials: Tldr is instructions for the agent only.

Does Tldr access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Tldr safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Tldr use?

Tldr is published under the AGPL-3.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Tldr use?

About 552 tokens (SKILL.md is roughly 2.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Tldr?

Skills that share tags, products or a category with Tldr: News Aggregator Skill (cclank/news-aggregator-skill, 1.3k stars), AI Daily News (geekjourneyx/ai-daily-skill, 235 stars), Vss Search Archive (NVIDIA-AI-Blueprints/video-search-and-summarization, 1.9k stars) and Analyzer (iBigQiang/feedgrab, 614 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Tldr?

alexgreensh (a GitHub user) maintains it in alexgreensh/attention-span, which has 1,395 GitHub stars. The repository holds 4 skills in this directory. The repository was last updated on September 6, 2026.

Source: alexgreensh/attention-span on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.