pronounced moh-hee-oh · Māori for "to understand"
Write intent. Execute reason. See everything.
Every abstraction layer in the history of programming has tried to close the gap between what you mean and what the code says.
Mohio closes it at the language level. AI reasoning is native syntax. Compliance is one declaration. The code reads like the intent — because it is the intent.
Not a framework. Not a library. Not a prompt wrapper. A language — with a compiler, a runtime, and opinions about how software should be written.
A non-technical manager should glance at a developer's screen for three seconds and understand the business intent. No brackets, no semicolons, no decoding. That's the Walk-By Test — and every line of Mohio passes it. Language packs for Portuguese, Spanish, and Hindi ship next.
In every other language, AI is a guest — bolted on through an API call. In Mohio, ai.decide is a compiler construct. Confidence thresholds are enforced. Audit trails are mandatory. Fallbacks are required. You don't call AI. You write in it.
Before you write a line of business logic in a healthcare app, you spend weeks wiring HIPAA, PHI encryption, access control, audit logging. In fintech it's PCI, AML, CTR thresholds, OFAC checks. sector: healthcare activates all of it. One declaration. The compiler does the rest.
Define a data shape once. It becomes the contract for your database structure, API format, frontend validation, compliance enforcement, and UI generation simultaneously. Change it in one place. Everything updates. One declaration, total consistency.
Display blocks, routes, database operations, auth, scheduling, AI decisions — all one language, one codebase, one mental model. Ship a complete application, not a screenshot. No context-switching between four different tools to build one feature.
Every abstraction layer in the history of programming has been an attempt to close the gap between intent and code. Assembly to C. C to Python. Python to natural language. Mohio closes it at the language level. This is where the evolution leads.
Every claim below was verified against publicly available language specifications, academic literature, and existing language documentation. These are not marketing positions — they are structural facts about what Mohio does that no language did before.
Claims verified via independent AI-assisted research against publicly available documentation. · Challenge any claim on GitHub
These are complete, production-ready programs. The sector declaration at the top does the compliance work. The rest is business logic — exactly as you'd describe it to a colleague.
## PCI_DSS + SOC2 + AML rules activated. One word. sector: financial listen for new sh.Transaction require role screener ## Pull member history. Cache it five minutes. find member in db.members where id is transaction.member_id cache for 5 minutes find: done ## Ask the AI. Require 85% confidence. ai.decide isFraudulent returns boolean confidence above 0.85 weigh transaction.amount, transaction.velocity_score, transaction.device_fingerprint, member.transaction_history ai.audit to fraud_audit_log not confident update db.transactions status pending match id to transaction.id update: done give back 202 "Referred to manual review" on.failure give back 503 "Fraud check unavailable" ai.decide: done check isFraudulent when true update db.transactions status blocked match id to transaction.id update: done give back 422 "Transaction blocked" otherwise update db.transactions status approved match id to transaction.id update: done give back 200 "Approved" check: done new: done listen: done
## HIPAA + HITECH activated. PHI encrypted. Audit trail on. sector: healthcare listen for new sh.PatientIntake require role clinician or staff validate intake_rules against request.body on.failure give back 422 errors validate: done ## Save patient record. sector: healthcare auto-applies: ## AES-256 at rest · phi_audit_log · 6-year retention save to db.patients mrn request.body.mrn patient_name request.body.patient_name dob request.body.dob diagnosis request.body.diagnosis referring_npi request.body.referring_npi created_at now() save: done ## Clinical AI triage. 0.95 confidence floor enforced by sector. ai.decide assess_triage returns text confidence above 0.95 weigh request.body.chief_complaint, request.body.vital_signs, request.body.pain_level ai.audit to phi_audit_log not confident give back 202 "Clinical review required" ai.decide: done ## Clinical photo. EXIF stripped automatically. sector enforces. save request.photo to patient_img/{{ request.body.mrn }}/intake.webp format as.webp compress to 90 save: done give back 201 "Patient intake complete" new: done listen: done
## A saga: atomic business workflow with automatic rollback. sector: financial saga ProcessInvoicePayment step charge_card request charge_result from Stripe.charge with charge_payload on.failure give back 402 "Payment failed" request: done step: done step create_invoice make invoice as sh.Invoice member_id member.id amount charge_payload.amount charge_id charge_result.id status paid created_at now() make: done save to db.invoices invoice save: done step: done step notify_member miomail send to member.email subject "Invoice {{ invoice.number }} — paid" template invoice_confirmation attach invoice_pdf send: done miomail: done step: done ## Undo fires in reverse if any step fails. undo charge_card request refund from Stripe.refund with charge_result.id request: done undo: done saga: done
## This is all it takes. One line unlocks everything below. sector: financial ## What just activated automatically: ## ## COMPLIANCE ## PCI-DSS v4.0.1 enforcement ## SOC2 behavioral enforcement ## BSA/AML regulatory thresholds ## ## FIELD AWARENESS (no manual tagging needed) ## card_number → [pci] must tokenize never log ## card_cvv → [pci] never store never log ## routing_number → [pci] ABA checksum validated ## ssn → [pii] format enforced ## transaction_id → [financial_record] 5-year retention ## aml_flag → compliance role required ## credit_score → ECOA adverse action on denial ## ## REGULATORY THRESHOLDS ## >= $10,000 cash → cm.report CTR fires automatically ## >= $5,000 flagged → SAR requires 0.95 confidence + human review ## >= $3,000 wire → Travel Rule documentation required ## All transactions → OFAC check required ## ## AI DECISION FLOORS ## Transaction decisions → minimum 0.85 confidence ## Credit decisions → minimum 0.90 + human review on denial ## SAR filing decisions → minimum 0.95 + human review ## ## SECURITY ## All [pci] at rest → AES-256 enforced ## All connections → TLS 1.2+ enforced ## Payment sessions → expire after 15 minutes ## Admin roles → MFA required ## ## AUDIT TRAIL ## All [financial_record] reads → financial_audit_log ## All [pci] writes → pci_audit_log ## All ai.decide outcomes → ai_decision_log ## All admin actions → admin_audit_log ## ## One word. Everything above. The compiler does the rest. sector: healthcare ## Same model — HIPAA + HITECH + PHI fields
mio run fraud_check.mho
We're inviting a small group of financial and healthcare developers to use Mohio before public launch. Real early access. Direct line to the team. Your feedback shapes the language.
Early runtime access — before public launch, before the window closes
Free certified sector profile — professionally maintained, legally reviewed, updated as regulations change
Direct line to the team — your feedback shapes the language design, not a forum post
Pioneer credits — recognized in project documentation and first access to all future sector updates
No contract. No cost. No obligation. Build something real, tell us what's wrong, let us mention you if it works.
First cohort: 10–20 developers per sector. Financial and healthcare first.
The language syntax, compiler, and basic runtime are open source — Apache 2.0. The certified sector profiles, live compliance registries, and hosted platform are the commercial tier. Same model as the tools you already trust.
The Mohio compiler and base runtime — open source, Apache 2.0. The language is open. Star the repo to get notified when we launch.
Connect with early adopters, follow development in real time, and help shape what Mohio becomes. Built in public, with the community.
Mohio is built without VC backing or corporate overhead. If you believe the world needs an AI-native language built in the open, help keep the work moving.
Mohio is in active development. The first-mover window is 3–6 months. Join for early access to the runtime, the sector profiles, and the community — and to help shape what comes next.
Reserve your spot — no spam, ever.