proof
bixso.academy: an AI tutor and an AI grader that don't pretend to be the same agent
Marking and mentoring are different jobs. bixso.academy splits them into two agents — one that guides, one that grades against a rubric — instead of one chatbot doing both badly.
The problem: one chatbot can’t tutor and mark fairly
Bolt a chatbot onto a course platform and it ends up doing two jobs it’s bad at: encouraging a learner and judging their work objectively. Those are different postures. A mentor who’s also your examiner has an incentive to go easy — or a fairness problem if it doesn’t.
bixso.academy (Academy Teal #073F41, branded-house) is built around keeping those roles
separate.
Three agents, three jobs
- Bixso — the learning assistant. Finds the right course, answers questions, drafts a study roadmap.
- AI Grader — marks each challenge against a rubric, proposes a score out of ten and writes constructive feedback. It doesn’t coach; it evaluates.
- Career Advisor — reads a learner’s skill profile, spots the gaps and updates their path toward a target role.
The architecture, honestly
bixso.academy’s backend fully migrated off its original Base44/Deno scaffold to Node/Express on Cloud Run — a real rebuild, not a patch. Data runs dual-write: Firestore for realtime entities (users, courses, enrollments, chat) and PostgreSQL for the ledger (tokens, payouts, analytics) — because a token economy needs transactional guarantees a realtime document store doesn’t give you.
Roles are fixed at account level (Learner / Mentor / Admin) — switching role requires a request and an admin approval, not a client-side toggle, with a single locked-down super-admin exception for platform preview. And the platform runs on a rule we hold ourselves to across BIXSO: no mock data in production — sections render empty rather than show fabricated activity when there’s nothing real yet.
What’s live
bixso.academy runs three private/room/community chat channels, a three-tier affiliate program, and enforced storage quotas per role (1GB Learner / 2GB Mentor). The mobile app has been submitted to Apple App Review and Google Play. Live at bixso.academy — full architecture: bixso.ai/work/bixso-academy.
Book a consult if your platform needs an AI that teaches and an AI that grades — and you want them to stay honest with each other.