Open source · EU sovereign · MIT · Phase 0

Code without bills · noise · nonsense

You're a developer. Start acting like one again.
No surprise bills. No merge hell. No re-explaining your codebase every morning. BlockHarmony removes every layer of noise between you and the thing you came here to build.

Join the revolution See the secret sauce
85% fewer tokens
Zero merge conflicts
Your infra, always
MIT forever
How a run looks
🧠
Memory
Remembers your whole project€0.00
Stays on your machine · never resets · always free
⚡
Noise filter
Strips 85% of the noise before sending€0.00
Finds the right shape · sends only what matters
🤖
Builder agent
connect.payment.link built€0.00
local model · free · zero cloud
🧪
Check + Review
Works · safe · ready€0.00
All on your machine · free
Pieces click together — nothing clashes, ever
🚀
Launch
Live on your server€0.003
Your server · your rules · only costs if you choose cloud
This run
€0.003
Saved €1.84 vs standard usage
The problem

You were told this is
just how it works.

It isn't. These are the things you've been accepting every single day — and none of them are your fault.

💸
Surprise bills you can't predict
Usage-based credits. One agentic run eats your monthly budget. No warning. No cap. Bill arrives. Shock follows.
Happening right now
🔀
Merge conflicts on a Friday
Branch, rebase, stash, cherry-pick. A 50-year-old tool — now AI writes the code and nobody updated the workflow.
Still broken in 2026
📋
Re-paste everything. Every session.
Context resets. Re-explain the codebase. Re-paste files. Re-prompt conventions. Your tools have no memory.
Every. Single. Day.
🤷
Support sends a doc link
You already read it. Ticket closed. Three weeks later, still nothing. This is what you're paying for.
Not good enough
🔒
Too embedded to leave
Licences you don't understand. Tiers that shift. Pricing that changes. You didn't choose this — it chose you.
By design
⚙️
Tools that need managing
Prompt tuning. Model deprecations. Credit pools. Setup that becomes a project in itself. You came here to build.
Enough.
How the magic works

We taught it
every language.

Here's what nobody else has done: we mapped the finite patterns of every major programming language into a Block Library.

Code isn't infinite. Python has maybe 8,000 meaningful patterns. TypeScript has 10,000. The way you write a payment handler, an auth check, a database query — there are only so many shapes. We've catalogued them all.

When you say "connect payments" — BlockHarmony doesn't ask the model to figure it out from scratch. It looks up the shape in the library, sends 1,800 tokens instead of 12,400, and the model does exactly what it would have done anyway. Just 85% cheaper.

14 languages mapped at launch · growing with community
🟨JavaScript
🔷TypeScript
🐍Python
🦀Rust
☕Java
🔵Go
💜C#
🍎Swift
🟠Kotlin
🐘PHP
💎Ruby
⚡C++
🌊Dart
🔴Scala
What a Block actually is A Block is a simple description of something you want to build — not the full code, just the shape. Think of it like a Lego piece: it has a specific input, a specific output, and a name. When you snap it into place, the agent knows exactly what to build. No re-explaining. No re-pasting. No noise.
Old way
12,400
BlockHarmony
1,800
−85%
blocks/typescript/connect-payment.yml
Block Library v0.1
# BlockHarmony Block — your naming, not theirs
id: connect.payment.link
version: v0.2.1
language: typescript
category: payments

intent_phrases:
- "connect payments"
- "link a payment"
- "add a payment button"

signature: |
async function connectPayment(
priceId: string,
successUrl: string
): Promise<{ url: string }>

tokens_sent: 1800
without_block: 12400
saving: 85%

# Your naming. Your namespace.
# Not stripe.checkout — payments.checkout.
# No collision. No confusion. Yours.
1,800
tokens sent
85%
noise removed
€0.00
local model
Your words. Your names. Your rules.
stripe.checkout.session.create vendor name
connect.payment.link BlockHarmony
Your language, not the vendor's. Swap what's underneath without changing how you describe the task. No lock-in. Ever.
The agent ecosystem

Five helpers.
One flow.

Each helper does one thing and does it well. They never step on each other. When one finishes, the next picks up automatically. You describe what you want — they do the rest.

🧠
Brain
Remembers everything about your project. Never asks you to re-explain. Stays on your machine.
Always local
⚡
Translator
Strips the noise before sending. Matches your words to the right shape. 85% fewer tokens.
CPU only
🤖
Builder
Builds what you described. Free local model first. Cloud only if you say so.
Local first
🧪
Tester + Critic
Checks that it works. Checks that it's safe. All on your machine. Nothing sent out.
Local first
🚀
Deployer
Puts it live. Your server, your cloud, your way. Never someone else's.
Your infra
🔗 Snap engine — pieces click together automatically. Nothing clashes. Changed your mind? One command to undo.
Token savings

Same model.
85% less noise.

Real tasks, real token counts. We just stop sending the noise.

Accept payments
12,400
1,800
tokens sent
85% less
Add login
8,200
940
tokens sent
89% less
Upload files
6,800
1,100
tokens sent
84% less
Save & read data
9,600
1,400
tokens sent
85% less
Side by side

No spin.
Just what you get.

BlockHarmonyThe old way
Token costs✓ Hard cap. Your rules.✗ Unpredictable meter
Work clashing✓ Never happens.✗ Still your problem
Memory✓ Remembers everything.✗ Blank slate every time
Runs on your machine✓ Always. For free.✗ Needs internet, needs payment
Your data stays yours✓ Never leaves your machine.✗ On their servers
Want to leave?✓ Five minutes. Take everything.✗ Months of pain

Developers build.
Not manage tools.

01You should never be surprised by a bill. Predictability is not a premium feature. It's the baseline.
02Your tools should remember what you told them. Resetting context every session is a broken tool, not a workflow.
03Complexity is not sophistication. Fifty settings nobody understands is fifty failures of the product, not yours.
04Your code belongs to you. Not to a cloud provider. Not to a 90-day deprecation notice. Not to someone else's roadmap.
05Open source is the only honest model. If you can't read the code, you can't trust the product. Full stop.
Join the revolution

MIT licensed. Built in personal time.
No VC. No agenda. Just a better way.

Done with
the noise?

Join the waitlist. You'll be first when tknx — the token translator — ships. One install. Bills drop immediately.

You're in. We'll reach out when tknx ships. No noise. Ever.

MIT · blockharmony.eu · built in Europe · zero spam