Layer 00 — the context problem

BEYOND THE WINDOW

Every model has a fixed attention window. Your codebase does not fit inside it. Everything below is how we stopped pretending it did — and how a repo of any size became addressable in a single turn.

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The optimization stack

What runs
every turn

Addressable Index

Your repository stops being a paste and becomes a live vector space. Indexing is incremental — a one-file edit costs one file, not a re-read of the tree.

Sub-Quadratic Retrieval

Attending over a whole codebase is O(n²) and collapses at scale. Ranked retrieval reaches the same corpus for a fraction of the compute, on every single turn.

Context Compilation

A per-turn token budget assembles only the slices that matter. The window carries signal instead of bulk, so the model spends its attention where it counts.

Enforced Grounding

Rules that live on the server and cannot be switched off by the client: cite a real file:line, or abstain. The agent does not get to guess.

The thesis

CONTEXT IS NOT A WINDOW
IT IS AN INDEX

addressable 1B TOKENSaccess SUB-QUADRATICgrounding FILE:LINEisolation PER-OWNERindex LIVEobserver YOU addressable 1B TOKENSaccess SUB-QUADRATICgrounding FILE:LINEisolation PER-OWNERindex LIVEobserver YOU

One turn, end to end

THE PATH A
PROMPT TAKES

Four layers sit between your prompt and the answer. Every one of them runs on every turn, server-side, whether or not the client knows they exist.

Your promptplus a repo that is already indexed
L-01Indexyour repository as a live vector space
L-02Retrievalrank the whole corpus, sub-quadratically
L-03Context packcompile a per-turn token budget
The modela fixed window, carrying signal only
L-04Groundingcite a real file:line — or abstain
Answerevery claim traceable back to source

Abstainwhen nothing in the repo grounds it

Layer registry

THE LAYERS

Each layer again, with what it guarantees — and what it will not let the agent do.

L-01

Layer INDEX

Your repository, chunked and embedded into a live vector space that only your key can read.
STATUS: ONLINE
SCOPE per-owner · SYNC continuous

L-02

Layer RETRIEVAL

Semantic and lexical ranking, fused, across the whole corpus — not the fraction that fits.
STATUS: ONLINE
ACCESS sub-quadratic · MISS FAILS OPEN

L-03

Layer CONTEXT PACK

A token budget compiles the retrieved slices into the window the model actually sees.
STATUS: ONLINE
BUDGET per-turn · PAYLOAD signal only

L-04

Layer GROUNDING

Server-enforced citation. A claim carries a real file:line or it does not ship.
STATUS: ENFORCED
OVERRIDE none · CLIENT cannot disable

Point it at your repo

READY WHEN
YOU ARE

Get an API key