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onext technology

AI for IT and product teams

Industrialize
development with AI

From ad hoc prompts to an AI-Native SDLC with methodology, our own accelerators and human verification at every step.

12
teams
transformed
0
lost
sprints
×7
average
speed
The manifesto

Rules over tools.

The model must NOT be the source of truth.

The chat must NOT be the system.

The code must NOT be the only artifact.

We need external, governed and verifiable state.

Act 1

The broken promise

We were told AI would make us 10x more productive. In some cases we did speed up. In many others, we're generating more code... and more problems.

AI's impact isn't automatic. It depends on the way you work.

The difference between the teams winning with AI and those getting stuck isn't budget, or size, or access to the latest API. It's understanding that AI isn't just one more tool in the catalog: it's a change in how you design processes, teams and decisions.

-19 %

real productivity

METR 2025 study: developers using AI were 19% less productive — even though they perceived a +20%. The gap between perception and reality is the symptom of a broken system.

10× vulnerabilities

more security issues

Fortune 50 study: teams with AI generate 3-4x more code than their peers but introduce 10x more security vulnerabilities in the same period.

Act 2

The three real brakes on development with AI

LLMs have structural limits. If you don't design for their limits, you work against them.

Limited memory

It can't sustain large systems without losing coherence. Asking the model to "remember the whole architecture" is asking it to do what by design it can't.

Hallucination

It optimizes for plausibility, not for truth. It generates code that "looks like it works" even when the underlying assumption is false. Spotting that at a glance is impossible.

Context drift

Long contexts degrade focus and precision. The more code you pile into the agent's window, the worse it reasons — exactly the opposite of what intuition suggests.

Agents aren't yet reliable enough for complex engineering.

— Andrej Karpathy (ex-OpenAI, ex-Tesla AI)
Act 3

The solution isn't to abandon AI.
It's to change your role.

From writing code to designing context, rules and verification.

This is what we call industrializing development with AI. And to do it, buying more tools isn't enough: you need a system. We call it onext AI-Accelerated Development.

The architecture

Three pillars.
One single system.

The whole solution rests on three pillars that onext teaches in its internal training and now brings to the product.

Pillar 01

Human-on-the-Loop

The AI proposes, the human governs. Human validation is mandatory at every critical gate, not informal. It's an explicit role with its own artifacts and metrics.

  • Structured validation in specs and in code
  • Reviewer role (equivalent to a human PR)
  • Context Owner who maintains the system's rules
Pillar 02

Rules Over Tools & Context Engineering

Tools are interchangeable; rules are what define the system. External, governed and verifiable state — not the model's memory or the chat.

  • Project constitution + subagents + MCPs
  • Commands, skills, hooks, curated models
Pillar 03

Spec-Driven Development

Specifications are the source of truth, not the generated code. A well-written spec is traceable, verifiable and reusable.

  • Specs as the primary artifact, code derived
  • Pre-commit validation against the constitution
  • Traceability of every line of code to an intent
The lifecycle

The AI-Native SDLC Loop

The natural evolution of the DevOps loop when there are agents in the flow. Seven stations, two constitution gates, two tools (Product Accelerator and SDD Accelerator) and a human-validation outline.

HUMAN-ON-THE-LOOP DISCOVER DELIVER INTENT SPECIFY VALIDATE GENERATE VERIFY DEPLOY
onext Product Accelerator

Accompanies the Intent → Specify → Validate stations. Turns product intent into a structured spec ready for the agent to consume.

onext SDD Accelerator

Accompanies the Generate → Verify → Deploy stations. Injects the spec into the agent and blocks any code that doesn't respect the project constitution.

At the Constitution Gate, at the crossing of the two loops, product intent becomes an implementable spec. If the spec doesn't respect the project's immutable rules, it doesn't reach the agent. The whole cycle is supervised by the human team.

The tools

Two onext accelerators.
One complete chain.

Accelerators built on the open Claude Code standard —not proprietary software you install and depend on—. We configure them on your stack, your team uses them and they stay with you. Without them, the pillars are a manifesto. With them, they're an operating system.

onext Product Accelerator

From idea to spec, structured and repeatable

An accelerator on Claude Code (open standard, no lock-in) that orchestrates 5 specialized agents across structured product-definition workflows. From a raw idea to a specification ready for development, with quality gates at every phase transition.

  • 5 specialized agents: orchestrator, product-consultant, ux-designer, sdd-specifier and reviewer
  • 4 workflows: idea-to-feature (6 phases), quick-improvement (3), spike (2), audit (2)
  • 25 skills across 7 domains: discovery, research, persona, UX design, specification, validation and setup
  • 8 automated quality gates: phase gate checker, ambiguity guard, scope creep detector, decision logger…
  • Artifacts: Lean Canvas, JTBD, empathy maps, user flows, behavior flows, acceptance criteria, business rules, SDD consolidation
  • Native integration with Figma, Jira, Storybook and the project's compliance configuration
What it solves

That the engineering team receives consolidated, validated specifications, with no ambiguities or decisions left hanging. Each phase produces a concrete artifact and no workflow moves silently over incomplete work.

onext SDD Accelerator

Specifications the AI respects, with verification at every commit

It integrates Spec-Driven Development directly into the technical team's flow. It governs external state and validates that the code respects the project's rules.

  • Specification templates adapted to the project's stack
  • Project "constitution": immutable rules the agent respects
  • Pre-commit validation against the spec (structure, naming, dependencies, coverage)
  • Merge-blocking hook if the generated code doesn't comply
What it solves

That code generated fast by AI isn't also inconsistent code. It turns agent output into code that respects the project's architecture, conventions and rules.

12-16 week program

How we work alongside you

Four phases that overlap in time, they don't run in sequence. Throughout the whole engagement your team keeps shipping product: no phase requires pausing sprints.

Phase 0
Diagnosis
Weeks 1-2

We map the team's real flow — not the declared one. 1:1 interviews with the 6-10 key roles, live sprint observation, an audit of the current AI stack, review of existing metrics.

Map of cognitive frictions Metrics baseline AI adoption diagnosis
Phase 1
Redesign
Weeks 2-5

We define the team's human-agent lanes: which tasks keep humans at the wheel, which move to supervised agents and which are hybrid. We design the critical end-to-end flows and the live-metrics framework.

Operating model playbook RACI per critical process Live metrics with target
Phase 2
Deployment
Weeks 5-8

We deploy and configure onext's two accelerators on your stack —and they stay with you—. We define the project constitution together and create the spec templates. A complete product → spec → code chain working end-to-end.

Product Accelerator + SDD Accelerator in production Project constitution documented First feature end-to-end
Phase 3
Live delivery
Weeks 7-13

Pair programming between onext and client developers. AI-specific code review. Refining the constitution based on what fails in practice. Weekly retros. Individual coaching for the team's 3-5 creators.

3-5 real features with the complete chain Team operating without direct supervision
Phase 4
Transfer
Weeks 12-16

Dual specialization: creators (10-20% of the team) and advanced users (the rest) receive specific training. Formal transfer of the constitution, templates and metrics. Post-engagement sustaining plan with 6 months of accelerator support included.

Pre/post competency matrix Signed sustaining plan 6 months of accelerator support
How to start

Two ways in

The same system, two intensities. You can start with the quick-start and scale to the full program when the team asks for more, or go straight into the end-to-end transformation.

Quick-start · 4-8 weeks

AI-accelerated development

We multiply the team's speed ×5-10 with the Spec-Driven Development methodology and the onext SDD Accelerator. Hands-on training on your real code and weekly follow-up. Without freezing a single sprint. The lowest-barrier entry point.

  • Diagnosis of the current stack, workflows and AI adoption (3-5 days)
  • SDD framework: project constitution, onext SDD Accelerator and spec templates for your stack
  • Hands-on training: hands-on workshops and pair programming with onext seniors
  • Follow-up: weekly metrics + 3 months of post-implementation support

Ideal if your team is at its limit, there's pressure to innovate with AI and you need tangible results in 60 days — not PowerPoints.

Full program · 12-16 weeks

End-to-end SDLC transformation

We redefine your lifecycle end to end: the 3 pillars, the AI-Native SDLC Loop and onext's two accelerators. Organizational redesign, human-agent lanes and live metrics. To industrialize development with AI, not just speed it up.

  • The 3 pillars and the AI-Native SDLC Loop implemented in your team
  • The two accelerators (Product + SDD) in production end-to-end
  • Operating model redesign: human-agent lanes and RACI per process
  • Formal transfer + 6 months of accelerator support included

Ideal if you want to change how processes, teams and decisions are designed around AI — the full arc described above.

What you'll measure

Outcomes we promise

Three verifiable metrics. Baseline before the engagement, target at the end.

-50%
time to production

Between "deciding to do something" and "having it in production", measured on a critical client flow.

+40%
code consistency

AI-generated code that passes linters, test coverage and post-merge rework rate.

1-2
senior FTE/year freed up

Tasks that move to supervised agents: discovery, specs, first draft, structured QA.

Frequently asked questions

What people usually ask us

Are we really not going to lose a single sprint?

Correct. We work in parallel with the team's sprint. Pair programming is voluntary and done with 1-2 rotating developers while the others keep working normally. No phase requires pausing deliveries.

Does it work with our stack? (we use Python/Java/React...)

Yes. We've implemented AI in teams using Node.js, Python, Java, PHP, React, Vue, React Native, Go... The framework is language-agnostic. We adapt it to your stack during the diagnosis.

When do we start seeing results?

Quick wins (x2-3) usually show up in week 2-3. The bigger results (x5-10) consolidate from week 4-6 onwards. We measure it every week with objective metrics (velocity, story points, feature lead time).

What's the difference between the quick-start and the full program?

They're two intensities of the same program. The quick-start (4-8 weeks) implements the SDD methodology and the onext SDD Accelerator to multiply the team's speed with hands-on training. The full program (12-16 weeks) redesigns the SDLC end to end: the 3 pillars, the AI-Native SDLC Loop and onext's two accelerators, with organizational redesign and human-agent lanes. You can start with the quick-start and scale to the full program, or go straight into the full one.

What is Spec-Driven Development and why do we need it?

Spec-Driven Development (SDD) is an emerging methodology that changes how teams work with AI to write code. Instead of every developer writing ad hoc prompts and hoping the AI gets it right, the team defines structured specifications — a project 'constitution' with immutable rules the AI always respects, spec templates for each type of task and a validation flow at every commit. The result is AI-generated code that respects the project's architecture, conventions and rules consistently.

What do we take away when it's over?

Your team keeps the complete framework: project constitution, specification templates, prompt playbook and post-implementation support (3 months in the quick-start, 6 months of accelerator support in the full program).

Related insights

The conceptual framework behind onext AI-Accelerated Development, published in the open. Start with the first one if you want to understand why the problem is organizational before it's technical.

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AI

The model isn't the source of truth. The chat isn't the system. Code isn't the only artifact.

The METR paradox: +20% subjective productivity, −19% real. The reason is the absence of three disciplines almost nobody applies. Claim 1: the model isn't the source of truth → project constitution. Claim 2: the chat isn't the system → workflows with quality gates. Claim 3: code isn't the only artifact → Spec-Driven Development. Three installable antidotes. An honest Karpathy quote to close.

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AI

HTML beats Markdown for artifacts that live: the Spec-Driven Development decision table

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AI

Spec-Driven Development: The methodology that turns AI into controlled, predictable code

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Engineering lead and colleague in front of a sprint board organized into two parallel lanes, deciding and planning — illustrates AI-accelerated dual-track Scrum
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Development team configuring context and specifications for AI agents in a collaborative environment
AI

Context engineering: the discipline that levels up teams with and without AI

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Tech Lead reviewing the team's AI workflow metrics dashboard on a code screen
AI

Month 6: why your dev team's AI transformation breaks at that point — and the sustaining system that prevents it

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CTO in a Spanish tech-startup meeting room reviewing AI adoption metrics in their development team
AI

The 70% gap: your AI adoption in the development team isn't a technical problem — it's an organizational problem

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Why most LLM projects fail (and how to turn them into systems that actually work)

95% of AI pilots deliver no P&L impact, according to MIT. 90% of employees use AI on their own, but 68% don't tell anyone. The problem isn't the technology: it's treating LLMs as individual tools instead of systems integrated with context, flow and control.

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Diagram of multi-stage workflows with AI agents running complete software development processes with human control points
AI

From tasks to workflows: AI agents already run complete multi-stage processes

57% of companies already use AI agents to run multi-stage workflows, and 81% plan to tackle more complex cases in 2026. But moving from isolated tasks to complete processes requires clear specifications, structured context and an oversight model that most teams don't yet have.

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Not ready for the program yet? Before investing in transformation, size the gap. Our interactive 16-question checklist gives you, in 5-7 minutes, a diagnosis of where your team stands today. Free. No strings attached.

Take the free diagnosis

Ready to
industrialize your development?

In 30 minutes we can assess the real state of your SDLC and design a first redesign step your team can execute without stopping deliveries.

12 teams transformed 0 lost sprints 12-16 week engagement