As demand for fixed wireless access (FWA) accelerates—especially in regions with limited fiber infrastructure—CSPs face increasing complexity in scaling AI-driven functions for planning, provisioning, service assurance, and customer engagement. Traditionally, each use case required isolated AI models and infrastructure, limiting agility and increasing costs. This Catalyst provides a unified, production-ready genAI platform-as-a-service (PaaS) as a solution. It is designed to streamline how CSPs deploy, manage, and monetize 5G FWA. This solution centralizes task-specific AI models, large language models (LLMs), and hybrid retrieval-augmented generation (RAG) into a single, orchestrated platform. It builds on prior phases that introduced closed-loop automation, self-healing, and intent-based provisioning. It now applies these into a cohesive PaaS that supports diverse network and customer-facing tasks. The toolkit enables autonomous operation across domains. It detects faults, resolves issues, optimizes traffic, and recommends personalized offers—while reducing manual input and operating costs. Its hybrid RAG engine dynamically selects retrieval paths and applies tailored generation logic per task. This allows specialized models to operate alongside general LLMs with minimal conflict, increasing precision and automation at scale. TM Forum assets, including Open Digital Architecture (ODA) and AIOps frameworks, ensure standards compliance and seamless CSP integration. With this Catalyst, CSPs gain measurable improvements in operational efficiency, customer satisfaction, and monetization. KPIs include reduced mean time to resolution, higher self-healing rates, improved service uptime, and increased revenue from AI-driven offers. For underserved markets, the platform helps close the digital divide by supporting fast, reliable FWA deployments. By centralizing cognitive functions into a flexible, standards-based platform, this Catalyst finally empowers CSPs to scale 5G FWA profitably, accelerate time to market, and lead in AI-native service delivery.