Nxtscape – An open-source AI browser that runs AI Agents locally

What is Nxtscape?

Nxtscape is an open-source browser based on Chromium, focusing on local AI Agents and privacy protection. It allows users to run AI automation tasks (such as form filling, meeting scheduling) directly on their devices, ensuring data never leaves the local environment. Nxtscape supports Ollama local models and is compatible with all Chrome extensions. Its core highlights include semantic search, a ChatGPT bookmarker, and an AI ad blocker. Nxtscape is ideal for users who prioritize efficiency and privacy.

Nxtscape’s Key Features

Local AI Agent: Enables on-device automation of repetitive tasks like form filling and meeting scheduling, with data remaining entirely local.
Semantic Search: Uses vector databases to index browsing history, bookmarks, and tabs for intent-based intelligent retrieval.
ChatGPT Bookmarker: Automatically parses webpage content and generates summaries to help users efficiently organize and archive information.
Ollama Support: Allows offline execution of local large language models (LLMs), eliminating reliance on cloud services.
Chrome Extension Compatibility: Seamlessly supports all existing Chrome extensions.

Nxtscape’s Technical Principles

Architecture:

Built on the Chromium kernel, preserving full extension ecosystem and rendering capabilities.
Introduces an additional Agent Runtime (Rust + WASM) outside the browser process to load, schedule, and execute AI models and MCP (Model Context Protocol) plugins.
MCP Store (coming soon) will enable “one-click installation” of common MCPs, such as auto-filling forms, summarizing webpages, and drafting emails.

Model Execution:

By default, uses Ollama to load open-source models locally—model weights and inference remain entirely on-device.
Supports cloud APIs like OpenAI and Anthropic, with users managing their own API keys (Nxtscape retains no data).
Features a unified Agent API abstraction, allowing developers/users to call models without worrying about their source.

Privacy Mechanism:

Browsing history, cookies, and form data are stored locally in an SQLite database, adhering to Chromium’s same-origin policy.
All AI inference requests default to local models. If users opt for cloud APIs, Nxtscape only transmits explicitly selected text or DOM fragments—no additional data is collected.

Nxtscape’s Project Links

Official Website: https://www.browseros.com/
GitHub Repository: https://github.com/browseros-ai/BrowserOS

Nxtscape’s Use Cases

Office Automation: Local AI Agents automate repetitive tasks like form filling, meeting scheduling, and email responses, significantly boosting productivity.
In-Depth Research: Semantic search and ChatGPT bookmarker help quickly aggregate, summarize, and archive vast webpage content for academic or market research.
Social Media Management: AI Agents scan platforms like LinkedIn and Twitter, filtering high-value content and generating engagement suggestions for personal or brand growth.
Privacy-First Browsing: Combines local Ollama models with AI ad blockers to block ads while ensuring all browsing data stays on-device, meeting high-privacy demands.