Helium MCP vs onUI
A side-by-side comparison of two IDE Extensions AI agents - to help you pick the right one.
Helium MCP
Helium MCP is an open-source IDE extension that integrates real-time news with bias scoring, live market data, and AI-powered options pricing into development environments. It provides balanced news synthesis via its MCP (Multi-Channel Processing) system, allowing developers to access contextual financial and news data without leaving their IDE.
onUI
onUI is an open-source browser extension and MCP server that enables annotation-first UI pair programming with AI agents. It allows users to annotate webpages and bridge UI context to AI coding tools like Claude Code, Cursor, Windsurf, or Copilot, facilitating collaborative development.
Feature comparison
| Helium MCP | onUI | |
|---|---|---|
| Category | IDE Extensions | IDE Extensions |
| Open source | ||
| Self-hostable | ||
| Skill level | Intermediate | Intermediate |
| Pricing | Open Source | Open Source |
Helium MCP: what it solves
It eliminates the need to switch between multiple tools by aggregating and analyzing real-time financial data and news directly within the IDE, streamlining workflow for finance-focused developers.
onUI: what it solves
It streamlines the process of integrating UI context into AI-assisted coding workflows, eliminating manual context switching between browsers and IDEs.