Four free open-source repos · personally tested · 2026

The Leak-Proof Engine.

Cut your Claude Code tokens by 80% — completely free.

Four free open-source repos, and I've personally tested every one of them.

One of them cut a single command's output by 92% in my own tests.

You keep the same subscription and the same quality — your tokens just go five times further.

The fourth repo is the most powerful one, and almost nobody is using it.

And at the end I'll give you eight extra tricks that each take seconds.

0%
less tool output in my own RTK test
0%
cut on one single command — git diff
~0 min
to install all four repos, once, forever
The four repos — all free, all open source ↓
01 · the problem

The Desert Water Problem.

You start a session and you're flying.

An hour later — limit hit. Session over.

You sit there waiting for the usage reset like a video-game cooldown.

So you do what everyone does: shorter prompts, fewer questions.

You start rationing tokens like desert water.

Wrong fix — the tokens you type are a tiny slice of the problem.

The real spend is pouring out of four invisible leaks.

The Leak-Proof Engine plugs all four for good.

your token meter · one session LIMIT REACHED — wait for reset 9:00 am — flying 10:04 am — cooldown
THINKING IT? "But I already keep my prompts short."

The words you type are a tiny slice of the spend — the flood is everything Claude reads back: command output, its own long replies, the extra code it builds.

That's why plugging leaks beats typing less.

02 · the framework

Your setup has four leaks. This engine plugs all four.

Plug them once and the same subscription goes roughly five times further — same quality, way more done.

i.The Filter — RTK. Strips the noise out of every command result before Claude reads it.
ii.The Short Answer — Caveman. Claude says the same thing in a fifth of the words.
iii.The Lazy Senior — Ponytail. Builds exactly what you asked for and nothing extra.
iv.The Free Router — OmniRoute. Ships the boring work to free AI models so Claude never sees it.
03 · the four leaks

Where your tokens are actually going.

Four leaks, four free repos, one per leak — and the fourth is the most powerful, because it hands the boring work to a second free AI.

your tokens LEAK 1 · tool output giant logs Claude never needed LEAK 2 · the replies three paragraphs, three words needed LEAK 3 · overbuilding five extras you never asked for LEAK 4 · the biggest one frontier prices for grunt work
04 · plug 1 — RTK

RTK: a filter on the tap.

RTK sits between Claude and your commands — it rewrites them compact, filters the output, and hands Claude only the signal.

What you're watching: a real RTK session recorded on this machine — same repo, same minute, byte counts verbatim. git status went 447 → 86 characters (−80.8%), git log −76.2%, ls −80.2%, with about 19ms of overhead. The 82.9% average and the 92% git diff cut are from my full RTK benchmark on a bigger repo.

raw command flood RTK dedupe · group · strip clean signal → Claude 0% tool output · my measured test +0ms added per command · a blink is 100ms
brew install rtk

One gotcha from my testing: RTK's grep needs the -r flag to search folders — plain rtk grep comes back empty.

THINKING IT? "Won't filtering the output break my agent?"

No — RTK only filters mechanical noise: duplicate lines, boilerplate, decoration. The signal stays untouched.

In my testing the work quality stayed exactly the same — Claude just read a shorter page.

05 · plug 2 — Caveman

Caveman: same brain, smaller mouth.

Claude's normal reply opens with "Great question! I'd be happy to help…" — Caveman makes it talk short and direct, and every answer stays correct.

normal reply — "Great question! I'd be happy to help…" 0 tokens Caveman reply — same information 0 tokens my Fable 5 test: −69% output tokens ≈ 30% off the whole session

What you're watching: an animated recreation using my real measured numbers — the 69-token reply shrinking to 19 with the same facts, then Ponytail (next plug) turning a five-file overbuild into one 12-line edit. Driving Claude Code live on camera isn't reliable to record, so the terminal is recreated — the numbers aren't.

THINKING IT? "But I like Claude being friendly."

Keep it friendly in chat — that's fine.

Across fifty coding tasks a day you need the work, not fifty rounds of pleasantries you pay for by the word.

06 · plug 3 — Ponytail

Ponytail: the lazy senior expert.

Claude loves building extras "just in case" — Ponytail takes the shortest safe path, builds what you asked, and touches nothing else.

without ponytail — the scenic route DeleteButton.tsx ConfirmModal.tsx useDelete.ts theme token 3 test files 5 files · 240 lines you asked for a button with ponytail — shortest safe path one edit · 12 lines wired to the existing handler 0% 0% 0% output volume cost time
THINKING IT? "Won't a 'lazy' AI cut corners on safety?"

Ponytail doesn't touch error handling or safety — it only skips the speculative extras built for a future that never comes.

And it compounds: every file it doesn't create is a file Claude never has to read back later.

07 · plug 4 — OmniRoute · the biggest one

OmniRoute: stop sending your best person to sort the mail.

OmniRoute is a free gateway on your own machine that routes the grunt work to free AI models — my gateway shows 593 models behind one local door, and this exact setup runs the free coding engine inside our Agent OS.

What you're watching: a real session against my live gateway on localhost:20128 — the model count, the free-model reply "fix(readme): correct typo in install", the token usage, and the price are all verbatim from the actual requests.

your tasks simple + hard mixed OmniRoute localhost:20128 · free RTK+Caveman inside · −15–95% free model commit msgs · renames free model summaries · boilerplate Claude the genuinely hard 20% you don't send your best person to sort the mail
THINKING IT? "Free models rate-limit me all the time."

They do — which is exactly why OmniRoute has RTK and Caveman compression built into the gateway itself.

Every free-model request gets squeezed another 15–95%, so you fit far more work inside the free limits.

08 · the shortcut
THINKING IT? "This sounds technical. I'm not a coder."

Each repo installs with roughly one pasted command — the whole stack takes about 15 minutes, then it's automatic forever.

And doesn't the Agent OS itself burn a fortune in tokens? No — that's the myth this whole page kills. It runs the everyday 90% on free local models and free APIs, and for the frontier work it drives the CLIs you already pay for — your Claude subscription already includes the Claude Code CLI, so you're not paying twice. Plus the Boardroom has a full token-minimization classroom, so usage keeps dropping after day one.

Skip the setup

Get the Leak-Proof Engine built for you.

You can wire all four repos yourself with this page. Or get the whole thing pre-built inside the Agent Operating System.

The token-minimization stack, pre-built — all four plugs already configured in the Agent OS
The full zip — download it, open it, run it the same afternoon
Step-by-step install video — all four repos, click by click
The token minimization playbook section — every trick, kept current
Daily updates — every new token tool added the week it ships
4,000+ business owners — many had never touched AI before joining
Get the Agent OS → Inside the AI Profit Boardroom · skool.com/ai-profit-lab
Set up in an afternoon · used in 38 countries · new tools added every week

Already happening for members

Member win: landed a 1200 dollar Python job without knowing how to code, working with Claude
Real member · landed a $1,200 Python job without knowing how to code — 30 minutes with Claude before pitching
Member win: 42-year-old non-technical dad building automations after joining
Real member · 42-year-old dad, "hardly know anything about agents" — now building automations step by step
Member-built Mission Control dashboard running Claude in the cloud next to a free local Hermes agent
Real member · their own Mission Control — Claude in the cloud next to a free local agent at 5ms
Members post their wins every day — read the 158-page doc →
4,000+ founders inside
400K YouTube subscribers
38 countries · live members
163K X followers
29K Udemy students
09 · why it passes 80%

The savings multiply.

RTK filters what Claude reads, Caveman shrinks what it says, Ponytail thins what it builds, and OmniRoute takes whole tasks off the bill — each cut applies to what's left after the previous one.

your spend today + RTK filters the flood + Caveman shrinks replies + Ponytail thins the builds + OmniRoute routes grunt work 100% ≈60% ≈42% ≈28% <20% — past 80% saved illustration of the compounding — tool-heavy sessions save the most
"Stop rationing. Fix the plumbing."
10 · eight extra tricks

Eight free habits that each take seconds.

These stack on top of the four plugs — every one is free and most take one keystroke.

1 /clear after each task — old context is pure leak 2 /compact on long single tasks — squeeze without losing the thread 3 claude.md diet every rule costs every session — Claude's own team cut ~80% with the same quality 4 route by difficulty does this task need the best model on earth? 5 plan before build wandering is tokens — agree the plan, then run 6 batch your asks five requests in one go = one context read 7 use a scout a sub-agent burns its own context and reports just the conclusion 8 memory vault Obsidian memory in the Agent OS — re-explaining is the sneakiest leak
11 · old way vs new way

Rationing vs fixing the plumbing.

Old way — tokens as a scarce resource anxiety, every single task
New way — the Leak-Proof Engine ~15 minutes, once
rationing leak-proof
12 · the honest bit

What this won't do.

Read this before you install

Routing helps less if every task truly needs a frontier model. Be honest — most don't. And RTK, Caveman and Ponytail still cut the tasks that stay on Claude.

80% is not guaranteed on every task. Tool-heavy sessions save the most; across a real working day the total is massive.

My numbers are measurements, not projections. 82.9% on tool output, 69% on replies, roughly half the output volume — all from my own tests, and your repo will differ.

Wrong: "I'm not technical enough for this."

Right: Each plug is roughly one pasted command — about 15 minutes total, then it's automatic forever. Members who'd never opened Terminal run this stack.

Wrong: "I'll just pay for a bigger plan."

Right: Then you're paying full price to pad logs, fluff replies, and send simple tasks to an expensive model. You still hit limits — just later, and more expensively. Fix the leaks first.

Wrong: "Hitting limits is just how Claude works."

Right: The limit was never the problem — the leaks were. Plug them and the same plan runs roughly five times the work.

Don't take my word for it

158 pages of members who already broke through these exact beliefs — real businesses, real wins, in their own words.

Read the 158-page wins doc →
13 · what to do today

Install order: biggest win first.

  1. Install RTK first. Biggest single win — you see it in your very first session.
    brew install rtk
  2. Then Caveman. One command finds every agent on your machine and installs for each.
    claude plugin marketplace add JuliusBrussee/caveman && claude plugin install caveman@caveman
  3. Then Ponytail. Two slash commands inside Claude Code.
    /plugin marketplace add DietrichGebert/ponytail /plugin install ponytail@ponytail
  4. Then OmniRoute — and start routing. The gateway runs on your own machine.
    npm install -g omniroute && omniroute serve
  5. Then layer in the eight habits. One per day for a week if you like — each takes seconds.
14 · your move Your move

Get the whole Leak-Proof Engine pre-wired.

This page saves you tokens. The Boardroom saves you the assembly — the entire engine is already wired into the Agent Operating System, so every agent you run benefits from day one.

All four repos pre-configured — RTK, Caveman, Ponytail, OmniRoute, exactly like my machine
Claude + Hermes + OpenClaw + Free Claude Code — plugged into one system, so every agent gets the compression
The zip + full video walkthrough — install the whole thing in one afternoon
A 30-day roadmap + daily updates — every new token tool the week it ships
The token minimization classroom — a whole section on making tokens go further
4 weekly coaching calls — get your Claude Code setup fixed live on a call
The 158-page community wins doc — what members actually built with this
Someone online at 2am — ask a question at any hour, a room of 4,000+ answers
Get the Agent OS → Inside the AI Profit Boardroom · skool.com/ai-profit-lab
4 live calls a week · daily tutorials · used in 38 countries
"Your tokens were never the problem. The leaks were."
15 · the close

Plug them once. Go five times further — starting today.

You stopped feeding Claude noise.RTK filters every command result — 82.9% less in my test.
You stopped paying for pleasantries.Caveman: 69 tokens of warm-up became 19 of answer.
You stopped buying extras.Ponytail builds the ask, nothing more — about half the output.
You stopped overpaying for grunt work.OmniRoute ships it to free models and Claude never sees it.

I'll see you in the next one.