Spotlight: Stewie Reflect — a manual for code you didn't write yourself
Here's a specific moment a lot of us have lived through: you shipped fast, maybe with a lot of AI-generated code, it worked, users signed up, and now six weeks later someone asks "what happens if a customer downgrades mid-cycle while over their new limit" and you genuinely don't know. Not because you're careless, but because you never actually wrote that logic yourself, or you wrote it at 1am and moved on. Stewie Reflect calls this comprehension debt, and it's a good name for a real problem.
What it does is narrow and concrete: point it at a GitHub repo (read-only, revocable), it reviews a pinned snapshot, and it generates a manual describing what the code actually does around billing, auth, and permission paths. Not documentation of the code's structure, documentation of the product's behavior. Mid-cycle upgrades, downgrade handling, soft-block vs hard-block on usage limits, admin overrides, what happens when payment fails. Every claim in the manual is tied back to the file and function that supports it, and where the snapshot doesn't settle a question, it says unknown instead of guessing. That's the part worth noticing.
The smart decision here isn't the AI-reads-your-repo idea, plenty of tools do that. It's the posture: this is explicitly not a confidence-generating tool. Repository docs explain code, they say, Reflect reviews your product. It treats prompts and agent configs found inside a repo as evidence to describe, never as instructions to follow, which is a real distinction if you're worried about a manual being able to be gamed by whatever's sitting in your codebase. And they built in a quality gate: if a generated manual fails their own automated check, it doesn't get shown to you, not even as a preview. That's a company choosing to eat the generation cost rather than hand you something half-baked, which is the opposite of what most "AI does X for you" tools do when the output is mediocre.
The pricing model backs up the honesty pitch: generating and previewing is free, you pay $19 only to unlock and export the full manual, once you've already seen real output from your own code. No trial-then-paywall trick, no committing before you know if it's useful.
Who should try this: anyone who inherited a codebase, anyone whose product was mostly vibe-coded or AI-scaffolded and is now handling real billing or auth for real users, and technical founders who are about to touch usage-limit or payment logic they didn't personally write and want to know what they're dealing with before they change it. If you've ever opened a Stripe webhook handler and thought "I have no idea what this does when it fails," this is aimed squarely at you.
Who it's not for: teams with genuinely small, well-understood codebases where one person can hold the whole thing in their head, or teams that already have thorough internal documentation and tests covering these exact paths. It's also currently scoped to billing, auth, and permission logic, so if your comprehension gap is somewhere else in the product (a scheduling algorithm, a recommendation engine), this snapshot-based manual probably won't reach it yet. And since it reviews a pinned snapshot rather than watching your repo, it's a point-in-time check, not continuous monitoring, so it fits better as a pre-launch or pre-refactor ritual than as an always-on dashboard.
Where I'd guess this goes next: continuous or diff-based manuals that update as the repo changes, coverage beyond billing and auth into other high-stakes logic, and maybe a team-facing version where the manual becomes the shared source of truth during onboarding or handoff. That's my read, not anything they've said, but the wedge they picked (get paid only after showing real value) suggests they're building for trust first and expansion second, which is a decent sign for where a v2 might go.
Try Stewie Reflect: stewie.sh
See the launch: Stewie Reflect on welaunch.sh