# Nova Cognitive Systems > Nova is a browser framework for visible, controllable agent work. It combines a browser surface, MCP-oriented runtime concepts, cognitive systems, and security guidance. This file is a curated map for AI agents and language models. Use canonical URLs for citation and retrieval. German pages live at the root URLs; English pages live under `/en/`. The documentation app has its own agent-readable files under `/doc/`. ## Primary Product Pages - [DE / Nova Cognitive Systems](https://nova-cognitive.com/): Startpunkt für Nova Cognitive Systems, Browser-Framework, Agentenoberfläche und Dokumentation. - [EN / Nova Cognitive Systems](https://nova-cognitive.com/en/): Entry point for Nova Cognitive Systems, the browser framework, the agent surface, and documentation. - [DE / Nova / Browser Surface](https://nova-cognitive.com/browser): Erklärt die sichtbare Browser-Oberfläche für Agenten, Tabs, WebView, Status und Freigaben. - [EN / Nova / Browser Surface](https://nova-cognitive.com/en/browser): Explains the visible browser surface for agents, tabs, WebView, status, and approvals. - [DE / Nova / Framework](https://nova-cognitive.com/framework): Beschreibt Runtime, MCP-Transport, Tool-Pipeline, Provider-Sidecars und sichere Ausführung. - [EN / Nova / Framework](https://nova-cognitive.com/en/framework): Describes runtime, MCP transport, tool pipeline, provider sidecars, and safe execution. - [DE / Nova / Cognitive Systems](https://nova-cognitive.com/cognitive-systems): Bündelt Discovery, Memory, PKS, OK und wiederverwendbare Arbeitskontexte. - [EN / Nova / Cognitive Systems](https://nova-cognitive.com/en/cognitive-systems): Covers discovery, memory, PKS, OK, and reusable work contexts. - [DE / Nova / Security](https://nova-cognitive.com/security): Beschreibt Freigaben, Site-Daten, Proxy-Schutz, Redaction und nachvollziehbare Agentenaktionen. - [EN / Nova / Security](https://nova-cognitive.com/en/security): Describes approvals, site data, proxy protection, redaction, and traceable agent actions. - [DE / Nova / Concepts](https://nova-cognitive.com/concepts): Zeigt die visuelle Richtung der Website und die Imagegen-Konzeptflächen. - [EN / Nova / Concepts](https://nova-cognitive.com/en/concepts): Shows the visual direction of the website and the imagegen concept surfaces. ## Agent And Search Resources - [Root sitemap index](https://nova-cognitive.com/sitemap.xml): XML sitemap index for product pages and documentation. - [Product sitemap](https://nova-cognitive.com/site-sitemap.xml): Frontpage sitemap with German and English language alternates. - [Robots policy](https://nova-cognitive.com/robots.txt): Crawl access and sitemap discovery. - [Documentation LLM guide](https://nova-cognitive.com/doc/llms.txt): Compact documentation map. - [Documentation full context](https://nova-cognitive.com/doc/llms-full.txt): Expanded documentation context. - [Documentation sitemap](https://nova-cognitive.com/doc/sitemap.xml): Documentation URL inventory. ## Optional - [Root full context](https://nova-cognitive.com/llms-full.txt): Expanded notes for agents that can handle more context.