3 Free Claude Tools That Make Your $20 Plan Feel Like $100
TL;DR
Three free MIT-licensed add-ons that get more out of every Claude message. I Have ADHD makes Claude lead with the answer and the next step. Archify turns any idea or system into an interactive HTML diagram. Ponytail makes Claude write the smallest change that works instead of over-building. Each installs in under a minute, and the exact commands are below, copied from each repo.
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Why these three
A $20 Claude plan runs out fast when every reply is padded and every feature comes back twice the size it needs to be. These three free tools attack that from different sides: shorter, sharper answers, a faster way to understand a system, and less code per change. All three are open source under the MIT license. We checked the star counts on GitHub on September 29, 2026, and they move every day.
1. I Have ADHD: Claude answers first, no fluff
52,000+ stars · MIT · ADHD-friendly outputs, no diagnosis needed
A skill that stops your assistant from burying the answer. The next action comes first, multi-step work is numbered, and every reply ends with one concrete next step. No "Great question!" and no "Hope this helps!". Per its README, it helps anyone who wants faster, scannable answers, no diagnosis needed.
How to install I Have ADHD in Claude Code (from the repo's INSTALL.md):
bashclaude plugin marketplace add ayghri/i-have-adhd
claude plugin install i-have-adhd@i-have-adhdThen type /i-have-adhd in Claude Code. To check it installed, run claude plugin list.
2. Archify: any idea into an interactive diagram
74,000 stars · MIT · Interactive architecture diagrams from one sentence
Describe an idea, a plan or a system to your agent and Archify builds a self-contained interactive HTML diagram: architecture, workflow, sequence, data flow and more. You can click nodes, explore paths, and send the single HTML file to someone else. They don't need Archify installed to open it.
How to install Archify (from the repo's README):
bashnpx skills add tt-a1i/archify -gWant to see the output first? The live gallery is at https://tt-a1i.github.io/archify/gallery.html
promptUse Archify to diagram how my app works, from the moment a user signs up to the moment they get their first result.3. Ponytail: Claude writes the smallest change that works
147,000+ stars · MIT · Less code, same safety
A skill that makes your coding agent write the smallest working change instead of over-building. Its README reports about 54% less code on average (up to 94% on tasks where agents tend to over-build), about 20% cheaper and about 27% faster, measured on 12 feature tasks with Haiku 4.5. That is the author's own benchmark, not ours, so treat it as a claim and test it on your own project.
How to install Ponytail in Claude Code (from the repo's README). Send these as two separate prompts inside Claude Code:
prompt/plugin marketplace add DietrichGebert/ponytailprompt/plugin install ponytail@ponytailPonytail's always-on hooks need node on your PATH. If it is missing, the skills still work, the automatic activation just stays quiet.
Quick start: all three in 5 minutes
- 1Open Claude Code in any project.
- 2Install I Have ADHD first and ask a normal question. The reply now starts with the next step.
- 3Install Archify and ask: "Diagram how my app works." Open the HTML file it makes in your browser.
- 4Install Ponytail and ask for one small feature. Compare how much code it writes against what you usually get.
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Common questions
Are these Claude Code tools free?
Yes. All three are free and open source under the MIT license. You only need Claude Code and the Claude plan you already have.
Do I need ADHD to use the I Have ADHD skill?
No. Its README says no diagnosis is needed. It simply makes Claude lead with the answer and the next action, which helps anyone who wants faster, scannable replies.
Does Ponytail really cut code by 54%?
That is the figure from the author's own benchmark (12 feature tasks, Haiku 4.5), with the biggest cuts on tasks where agents over-build and almost none where the code is already minimal. We haven't measured it ourselves, so try it on a real task in your project.
Can I turn one of them off later?
Yes. Plugins can be disabled with claude plugin disable or removed with claude plugin uninstall, and Archify's output is just an HTML file, so nothing else on your project changes.
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