Boffo's first live run

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Build Log · 2026-09-29

Boffo's first live run

The first real pass on the web demo, with the full skill loaded and Claude Sonnet 5.5 answering, on a short test scene for about 11 cents. The scene and Boffo's reply, kept as they were.

What ran. The Boffo demo page, on the first day it ran the real skill instead of a stand-in. The route sent Boffo's SKILL.md and one engine, Story-State, to Claude Sonnet 5.5, with the settings Standard and Diagnose. The skill's files had been uploaded that evening to the site's Cloudflare KV storage, and the route rewired so that Diagnose and Develop load the Story-State Engine and Revise loads the Revision Engine. Aaron pressed Run from his own browser, because Cloudflare's bot check turns away a browser that Claude is driving.

What it cost. From the site's log: 26,650 tokens of Boffo's instructions, stored for reuse; 610 tokens of scene and request; 4,092 tokens of reply, including Claude's thinking. At Sonnet 5.5 prices that comes to about 11 cents. A second run within five minutes reuses the stored instructions and costs about 5.

What came of it. The reply named its engine and listed the engines it did not have, as the web note tells it to, instead of claiming passes it had not run. It also arrived as raw markdown, which is why the demo page started formatting replies the same night.

The scene

A 288-word scene Claude wrote for the test, so that nobody's unpublished work was sent.

Marta found the letter in the freezer, wrapped in foil between two bags of peas, which was how she knew her father had not wanted it found.

She set it on the kitchen table and made coffee first. The house still smelled of his aftershave and the oil he used on the hinges, though the funeral had been nine days ago and her brother had already taken the good tools.

The envelope was addressed to her, in his square capitals, with no stamp.

"You going to open it or marry it?" Danny said from the doorway. He had a box of their mother's records under one arm and the look he wore when he had already decided what something was worth.

"It was in the freezer."

"Then it keeps." He set the box down. "The agent wants the keys Friday. You said you'd have the upstairs done."

She had said that. She had said a lot of things at the funeral lunch, most of them to people she would never see again.

Marta turned the envelope over. On the back, in the same capitals: DON'T LET DANNY SELL THE HOUSE UNTIL YOU'VE READ THIS.

She looked up. Danny was reading it too, upside down, the way he had read her report cards when they were kids and she had covered them with her arm.

"Well," he said. "That's dramatic."

"It's Dad."

"It's a man who kept his will in a coffee can." He picked up the box again. "Friday, Marta."

He went out to the car. She heard the trunk, then the engine idling, then nothing, because he was sitting out there waiting to see whether she would open it.

She put the letter back in the freezer.

Boffo's reply

Exactly as returned, with its headings moved down one level to sit inside this entry.

BOFFO Diagnostic: Story-State pass

Scale: one scene, read as an opening. Primary engine: Story-State. Pressure, Character–Plot, Information, Scene, and Value are not loaded in this run. Where they matter, I flag them as suggested next passes and do not claim to have run them.

1. What the story is doing

[OBSERVED] The scene turns a private object into a contested one.

  • State A: Marta finds a hidden letter nine days after the funeral. Danny is clearing the house and has a Friday deadline with the agent. The letter is just a discovery.
  • The turn: the back of the envelope reads DON'T LET DANNY SELL THE HOUSE UNTIL YOU'VE READ THIS, and Danny reads it too. The letter now has an instruction that names him as its target.
  • State B: both siblings know the letter exists and what its outer face says, and neither knows what it contains. Marta has put it back in the freezer. Danny is in the car, watching the door. The Friday clock is still running.

[MCKEE / DIAGNOSIS] The Gap is clean. The reader expects her to open it, and the result is that she hides it again. That choice is the scene's real event.

2. Strongest active mechanism

[DIAGNOSIS] The strongest mechanism is state inheritance through a changed choice field. Before the turn, Marta could open the letter, ignore it, or show it to Danny. After it, opening the letter in front of Danny is no longer available in the way it was, and refusing to open it is now a visible act with a witness. Danny's "Then it keeps" also lands as irony, because she does exactly what he said.

[OBSERVED / DIAGNOSIS] The report-card detail adds to this. Danny read her report cards upside down while she covered them with her arm. Her final act repeats that gesture, so the ending has history behind it as well as suspense.

3. Main friction

There is no defect here that the evidence supports as a bottleneck. There is one open question the next unit will have to answer.

[DIAGNOSIS, moderate confidence] Marta's own desire is thin until the last line. She has been compliant (she promised to have the upstairs done and said things she did not mean at the funeral lunch), and the scene never establishes whether she wants to keep the house. The letter supplies a reason, and Danny supplies opposition and a clock, so the scene works. But her final choice has several plausible readings:

  • tactical: she denies Danny the information;
  • avoidant: she is afraid of what it says;
  • defiant: she makes him wait;
  • obedient: she is honoring her father's terms on her own schedule.

Rival explanation: this ambiguity may be deliberate, and it fits an opening. I would not call it a flaw. The risk is downstream. Whichever reading the story commits to sets what the delay costs her, and the scene does not yet say.

A second, smaller question is that the mechanics of leverage are unstated. It is not clear who has the authority to sell, or how a letter, as opposed to the will in the coffee can, could stop Danny. [MODEL INFERENCE] The story may not need this yet, but readers will start asking.

4. Spine and Dramatic Question

  • Provisional spine [BOFFO SYNTHESIS]: Marta's control over what her father's last word means, against Danny's sale by Friday.
  • Dramatic Question [ZUCKERMAN]: the scene-level question ("Will she open it?") is answered with a no. It is displaced by a larger one: what is in it, and what will the delay cost before Friday?

Neither is fully established at story scale from one scene. Both are pointed in a usable direction.

5. Seeds live at the end of the scene

The letter, the Friday deadline, the will in the coffee can, the good tools Danny already took, and the hinge oil and aftershave that keep the father physically present. The freezer is a small reversal. The opening line says the father did not want the letter found, but the envelope shows he wanted Marta to find it and Danny not to. That shift reads as intentional. Check that it is.

6. Interacting mechanisms and suggested next passes

  • Character–Plot: the withholding is Marta's choice, so this engine owns it. Information only carries it. Run it to test what her choice costs her next.
  • Pressure: Danny is responsive opposition (dismissal, then waiting), which is worth mapping.
  • Value: trust, control, and privacy between the siblings is the likely value at stake.

Confidence

High on the scene's internal mechanics. Low on trajectory, since this is one scene.

Questions for the writer

  • Which reading of her last move do you intend the reader to hold, and does the next scene confirm it?
  • What does not opening the letter cost her by Friday?