Fable, Sol, and Terra: what really changed for builders
A dated radar of new AI portfolios and a method for choosing by task, risk, cost per outcome, evals, and verifiability.

Human authorship · Human knowledge + AI
Founder of Trustyu · Engineer · Solutions Architect
Fernando Parreiras is the founder of Trustyu, engineer and solutions architect. Connects technology, strategy and human development to build businesses, products and decisions with vision and purpose.
Trajectory
With more than 20 years of experience, Fernando Parreiras works at the intersection between technology, management and human development. As founder of Trustyu and creator of FORGE, he leads the design of architectures, digital products and AI systems that transform complex problems into safe, verifiable and sustainable solutions. His practice combines software engineering, solution architecture, product strategy, governance and team building. As an entrepreneur, advisor, author and strategic mentor, he shares knowledge so that business leaders and technical professionals can make better decisions without separating excellence, ethics, purpose and long-term impact.
Published in Trustyu Forge
A dated radar of new AI portfolios and a method for choosing by task, risk, cost per outcome, evals, and verifiability.
How to use AI to prepare better experiments without promoting a synthetic persona, click, prototype, or opinion into market evidence.
A six-phase path to turn building speed into evidence of a problem, product, operation, and a real exchange of value.
How to separate executor, checker, reviewer and approver to use AI in evaluation without creating circular authority or fictitious independence.
A practical grammar to link claims to subject, property, mechanism, evidence, verifier, validity and limit of inference.
A method for grading agent authority by effect, reversibility, sensitivity and uncertainty — without confusing capacity with permission.
How to separate specification, contract, test, coverage and eval so that each green supports only the decision it actually verified.
A practical contract to measure AI pilots by accepted outcomes, quality, flow, total cost, and risk — not by tokens or artifacts.
A technical guide for organizing intent, policy, execution, verification, evidence, and feedback around AI agents.
AI does not transform an organization alone: it enhances clarity, flow and learning — or accelerates ambiguities, queues and rework.
JARVIS's journey to FORGE and the six changes that transformed AI memory, decisions, and execution into a verifiable system.
AI can perform more work without receiving accountability: clear roles, boundaries, verifiers, and evidence preserve accountability.
Models change quickly; reliable results depend on context, tools, policies, verification, evidence and learning.
AI amplifies execution, but purpose, learning, judgment and accountability depend on how we redesign work.