Ask it something.

Talks to your engine on your machine — nothing is uploaded. No engine? Try Reflex · rulebook below — no install.

checking for a local engine…

No local engine found. Install and start it, then refresh: RIIR_REFLEX_ALLOWED_ORIGIN=https://reflex.gist.rs reflex

State (the situation under decision) Question type

Options (one per line; the first is the default outcome order)

Question

Answer

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Reflex · rulebook — no install

Paint a Tetris board and ask where the piece goes. Ask this tab runs the engine here and sends nothing; Ask Cloudflare sends the board to a stateless Worker (no storage) — the one exception to "nothing is uploaded". Same engine bytes, so the answers match; the difference is the network hop.

checking the Worker…

Board (20 rows × 10, # filled · . empty, row 1 = top) — drag on the grid to paint or erase cells, or type in the text

Falling piece · preview

Endpoint: — · one decision_wire place question, options = every landing spot (h0i<k>).

Latency

Cloudflare — in-tab —

Answer (▓ = where the piece lands)

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request sent

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Three steps

1 · Install

One binary — install commands.

2 · Run with the door open

RIIR_REFLEX_ALLOWED_ORIGIN=https://reflex.gist.rs reflex — listens on 127.0.0.1:7331, accepts this page only.

3 · Ask

Type a state and a question. Get an answer with confidence — or an abstain.