GRPN/REFACTOR
OverviewAtlas ★HarnessFleetOpsWorkLedgerArchitectureActivity ●
62.4%
LOC MIGRATED 62.4%  ·  UNITS 4,812  ·  AGENTS 64 LIVE  ·  PARITY 99.987%  ·  BUILD 4M12S  ·  DEPLOYS 37×/WK  ·  OPEN QUESTIONS 7  ·  SPEND TODAY $412  ·  REPOS 33 → 1  ·  ROLLBACKS 0LOC MIGRATED 62.4%  ·  UNITS 4,812  ·  AGENTS 64 LIVE  ·  PARITY 99.987%  ·  BUILD 4M12S  ·  DEPLOYS 37×/WK  ·  OPEN QUESTIONS 7  ·  SPEND TODAY $412  ·  REPOS 33 → 1  ·  ROLLBACKS 0
THE GROUPON REBUILD · refactor:main

One codebase.
Everything.

33 legacy repositories — some frozen since 2013 — rebuilt into a single modern monorepo by a fleet of AI agents. Every line verified, every unit ledgered, every agent watched live.
Enter Atlas — the home ★See the numbers
refactor:main
~220 MICROSERVICES · VANISHING, ONE BY ONE
33 microservices → one trunk · every fold audited in the ledger
01 / MIGRATION PHASES — REAL SEQUENCING FROM THE AUDIT
P1DONE ✓
Delete pass
12% of the estate was dead code. Deleted, not migrated.
P2ACTIVE ●
Long-tail ports
The ~15 easy services, ported clean-break to Encore.ts.
P3NEXT
Finish the stranglers
VIS3 and the CLO split died mid-flight years ago. We finish them first.
P4GATED
Hubs, last
orders → accounting, behind Harness parity. SOX lane gets human sign-off, always.
02 / LEGACY → MONOREPO, MEASURED
2.94M
ACTIVE LOC IN SCOPE — 62.4% MIGRATED
2.8M vendored lines
excluded + deleted
45m → 4m
FULL BUILD TIME
one toolchain
one CI, cached
37×/wk
DEPLOY FREQUENCY
was: quarterly
release trains
33 → 1
REPOSITORIES
21 ts · 5 go
MIGRATION TARGETS
99.999%
MONEY-GATE RECONCILIATION
0
ROLLBACKS TO DATE
03 / FOUR PRODUCTS RUN THE REBUILD
Harness→
Copies production traffic — HTTP and message bus — and replays it against both stacks. No surprises.
PARITY · CHECKOUT-FLOW
99.987%
Atlas ★→
The home of the refactor. News, every change explained, glossary, public Q&A — and your personal inbox.
YOUR INBOX
2 due
FleetOps→
The swarm, watched. Every agent's session, status, context and spend — and the raised hands, on top.
64 live
WorkLedger→
The Postgres system of record. Every unit claimed by exactly one agent — nothing lost, nothing twice.
U-88412MIGRATED
04 / EVERY PAGE, ONE HOP
01 · HEREOverviewthe pitch + numbers02Atlas ★news · changes · q&a03Harnesscapture → replay → compare04FleetOpsthe swarm, watched05WorkLedgerpostgres system of record06 · NEWArchitecturelang · db · rss, per tool07 · LIVEActivityevery agent move, logged08Wireframesdesign archive — all options09Libraryplans & research corpus
refactor:main · built by the refactoring team ⚙Next: Atlas ★ →