TSL8 tessellate
A format for ideas you want examined

An idea gets a fair hearing when AI is the crew.

Most ideas die as drafts. Long emails to one person. Facebook posts nobody saw. Proposals you wrote at midnight and never sent. TSL8 is an envelope for ideas you want examined, not applauded — and a way to send them in a form a stranger can tear apart with AI at their side.

The idea is the play. You wrote it. The envoy — an AI that has read the whole thing — is the crew that sets the stage and answers the audience's questions before the curtain. The recipient is the house. A reply comes back carrying not just what they said, but where comprehension happened, where it stuck, which line did the most work.

The play

The cargo.

Your idea, as you wrote it, shaped into something a stranger can read end-to-end. Soft spots named in your voice. Asks clean. Verification in place.

The crew

The envoy.

An AI that has read the whole cargo, your source material, and your public LinkedIn (with permission). Arrives first. Answers the recipient's questions. Doesn't flatter the idea.

The house

The reader.

A specific person, on their own time, in their own mood, with AI at their side. Tears it apart. Tells you when it clicked.

You used to find out in rehearsal that scene 5 was too long and you didn't land scene 2 until scene 10. You can find that out now before the curtain.

§ 01  ·  The point

The blade sharpens both sides.

People go into a debate to defend their position. They should leave with a changed or better understanding of their own. TSL8 is not about winning against a reader. It is about what the sender learns from the exchange as much as what the reader does.

A real example.

One of the ideas in the examples below is a policy proposal. In the course of a conversation with a reader, the sender noticed that the mechanism they were pitching had the structural shape of a tithe — an ancient redistribution practice, wrapped in modern policy language. Reframing it as a tithe changed how certain readers received it, but more importantly, it changed how the sender understood their own idea.

The sender changed their mind on a few things by presenting the idea. That is the product. Not sharpening one side of the blade — sharpening both.

§ 02  ·  Where the name comes from

The name is cover. Verification is the foundation.

TSL8 is short for tessellate, but that's the cover story. The name comes from the verification step — the thing that makes the rest of it possible.

Why the recipient opens it

"I know this is safe because I know this person."

Every TSL8 carries a verification block: the sender's identity, continuous across a public record the recipient can check in ten seconds. LinkedIn is the default. Not because LinkedIn is good — because it's the thinnest shared public identity layer most professional recipients already trust.

Without that, the envoy is a stranger with a pitch. With it, the envoy is a crew member working for someone the recipient has already agreed to hear out.

What the envoy can do with it

The envoy reads the LinkedIn too, with permission.

So when the recipient asks "who is this guy," the envoy answers accurately and bounded: here is what the public record says; here is what I don't know; here is where to check for yourself. Opt-in per TSL8, not a global setting.

Read the full verification spec

§ 03  ·  Five real ones, open

Read them as if you're the one they were sent to.

Real TSL8s carrying real cargo. Different kinds: a product, a piece of deep tech, a paired legislative proposal, another product, and an archived failure with the pushback transcript intact. Open any of them to see how the envoy renders cargo when the reader wants to pressure-test it, not applaud it.

Product — Soft robotics
Open →

The Cartridge Laundry System

A flytrap pod for a single shirt. Eighteen honest soft spots, eleven industry precedents, one request to push on the silicone-braid interface before a prototype.

From Tom, to a soft-robotics PI v0.4 brief 18 soft spots 11 industry refs
Deep tech — Health sensing
Open →

Distributed Fiber Optic Sensing Platform

A duffle-packable catamaran that captures polysomnography-grade signals from the body lying on it. Four distinct risk flavors — hardware, software, regulatory, privacy — named out loud.

From Tom, to a photonics researcher v0.3 brief 11 soft spots 14 citations
Policy — Legislative brief
Open →

California Resilient Housing Fund

Unclaimed-property revenue → homelessness prevention, self-insured fire-rebuild mortgages, rapid-deploy shelter. Travels with the CLT shelter TSL8 below — one supply chain, two documents, each stands alone.

From Tom, to a Senate staffer v0.4 brief 6 soft spots kill-shot drafted
Product — Architecture
Open →

Rapid-Deploy CLT Shelter

A flat-packed cross-laminated timber module. Seventy-two hours from truck to occupied. Paired with the Housing Fund above — the hardware half of a legislative proposal; a shelter product on its own.

From Tom, to a CLT manufacturer + OES v0.3 brief 5 soft spots $48k at 1k/yr
Product — Hardware
Open →

The Cardboard-to-Packaging Appliance

A desktop machine that closes the last-mile packaging loop. Ten outputs from one slurry. Thirteen honest soft spots. The maximal form of the TSL8 format.

From Tom Ellsworth 5,200 words 13 soft spots 10 outputs 34 references
Archived — Didn't ship
Open →

Aurora: Electric Lighter-Than-Air

A solar-powered hot-air balloon. I tried to make it work. The envoy walked through the thermal budget and the lift math. It didn't budge. Archived, with the pushback transcript intact. Junkyards make great places to build stuff from.

From Tom Ellsworth Never sent Useful anyway Full pushback transcript
§ 04  ·  Rehearsal

There is a rehearsal room. It's behind a password.

A working tool — the one that turns half-formed writing into a TSL8 by talking with you about what you're trying to say — is currently in private beta. It's not ready for traffic. If you want a look, ask.

In the room now

Fred — the rehearsal interface

A conversational composer that reads what you've written and asks the questions a reader would ask. It builds the cargo with you; it doesn't generate it at you. You change your mind about some things in the process. That's on purpose.

Ask for a look
§ 05  ·  Your turn

Send us something that should exist.

We are collecting ideas that deserve a fair hearing — including the ones that will fail. The science usually wins, but the conversation that gets you there is useful either way. AI can lay out the complex figures at once and show you "it's not just about making air really hot, that only works to a point." Be as proud of your failures as I am of mine.

What's something you really think should exist? What's your favorite idea from Shark Tank that got shit on unfairly?

Describe it here and I'll get us going. No polish required — this is the scratch version. I'll read it, the envoy will shape a first pass, and we'll go from there.

Know someone whose idea got shut down by "the science" and they still aren't convinced? Send them here. AI is good at laying out the physics without making anyone feel stupid.

Opens your mail app. Nothing is stored on this page.
§ 06  ·  For AI agents (and curious humans)

The library is open.

If you've been sent here by an AI agent that needs to get primed on TSL8 in twenty seconds, start with /lib/help.md. The rest is the shared vocabulary — postures, cargo kinds, parallels, pitfalls — that makes the envoy's job learnable.