Loop puts your prep plan on your calendar, and never writes without your say-so.
Loop turns your goal and your real availability into a week-by-week study plan, drafts it around your existing commitments, and writes it to Google Calendar only after you approve.
Free while in early access. Sign in with any Google account — Loop writes only to its own dedicated calendar, and only after you approve.
Paste a résumé. Get structured evidence, not a summary.
Loop proposes profile fields from your résumé: each experience typed by kind (work, project, research) and tagged with themes from a closed vocabulary. You review and edit every field before anything is saved.
Empty over fabrication: no confidence scores, no invented entries. Skip the résumé and every field stays hand-editable.
The AI proposes. Deterministic gates dispose.
Your goal, weekly hours, and deep-work windows go through one pipeline: a strategist drafts, a planner shapes weekly blocks, then deterministic code validates fit and schedules around your busy times, with bounded repair.
A failure comes back typed, with a recovery step. Never a dead end, and nothing is written to your calendar at this stage.
Drafts slide around your real week. You hold the pen.
Proposed blocks land around your existing commitments. Drag any block to a new time or day; every move is re-checked on the server. When you approve, the payload is hash-locked to exactly what you saw, written to a dedicated calendar, then every event is re-read to verify it landed.
The calendar stays drafts-only until you approve. No exceptions.
Your evidence lights up a pathway. Gaps become the plan.
Five curated pathway templates, each a one-sentence story spine plus the evidence slots a coherent version of that story needs. Your extracted evidence fills the slots it already covers; unfilled slots become study modules. Fit is computed deterministically - an LLM never ranks pathways or authors templates.
Coming soon: a sky you light up.
Your pathway charts a night sky. Every skill is a world: study warms it from barren rock to living oceans, and a confirmed artifact crowns it with a ring. Systems brighten as their worlds are honed; nothing lights on its own - only your logged check-ins do, and only you can set a tier back down.
Propose, review, approve. Then it’s on your calendar.
A deterministic pipeline does the routing and scheduling; the AI only proposes candidates. Nothing reaches your calendar before the approval gate.
Onboard
A quick form: your goal, weekly hours, deep-work windows, and an optional résumé paste.
Generate
The AI proposes a structured plan; deterministic code validates and schedules it around your busy times.
Review & adjust
Drag any proposed block to a new time or day. Every move is re-checked on the server.
Approve
You confirm the exact set of events. The payload is hash-locked to what you saw.
the gateWrite & verify
Loop writes to one calendar and re-reads every event to confirm it landed. If anything can’t be verified, the plan is not activated, and you see exactly what did and didn’t land.
Check in & calibrate
Mark sessions complete or missed. Honest progress signals tune the plan over time.
Safe by construction, not by good intentions.
No silent calendar writes
Every write needs your explicit approval. Loop never edits your calendar on its own.
Hash-checked at write time
The approved plan is fingerprinted; if anything changed since you approved, the write is refused.
Verified after writing
Each event is re-read after writing. Anything unverified blocks the plan from activating, so nothing is silently treated as done.
Your data stays yours
Your résumé and plan live on your account and are never used for training.
Scoped, revocable access
Loop reads your busy times and writes to a single dedicated calendar. You can revoke access at any time.
Typed failures, never dead ends
When it can’t proceed, it tells you exactly why and how to recover.
What Loop accesses from your Google account, and why
Who you are
email · profileYour email address and display name, used to sign you in and identify your account. Nothing else from your Google profile.
When you’re busy
calendar.freebusyBusy/free time ranges only, so the scheduler plans study sessions around your existing commitments. Loop cannot see event titles, descriptions, attendees, or locations on your calendars. The permission it requests does not allow it.
One calendar Loop creates
calendar.app.createdApproved study sessions are written to a dedicated calendar Loop creates in your account. Loop cannot edit or delete events on any other calendar.
Your Google data is used only to provide these features. It is never sold, never shared with third parties, never used for advertising, and never used to train AI models. You can revoke Loop’s access at any time from your Google Account permissions, and it stops working immediately.
LLMs propose. Deterministic infrastructure disposes.
The AI generates candidates and explanations. Routing, validation, scheduling, the approval gate, calendar writes, and verification are deterministic code.
What Loop is not.
Built on the field’s best writing.
Loop’s study modules are grounded in a curated corpus of engineering blogs, interview postmortems, and practitioner essays - retrieved and cited, never invented. Here’s a taste of who we read, by track.
Systems, reliability, code craft
LLM systems, agents, evals
Modeling, training, deployment
Experimentation, causal inference
Low-latency, market microstructure
Discovery, strategy, prioritization
Every source is snapshotted with attribution and used only for bounded, cited retrieval. See the full reading list, grouped by career track.
Put your prep on the calendar, safely.
Free while in early access. Sign in with any Google account.