Multi-model sidebars
HARPA AI
An automation-leaning extension that combines page reading, web monitoring and AI commands.
- Publisher
- HARPA
- Category
- Multi-model sidebars
- Last reviewed
- 2026-09-15
Good at
- + Automation and page monitoring beyond simple chat
- + Custom commands for repeat workflows
- + Can drive your existing ChatGPT session
Watch for
- - Steeper learning curve than a plain sidebar
- - Powerful permissions
- - Automation can break when sites change
Prices, plan limits and availability change frequently in this category, so this entry deliberately avoids quoting them. Check the publisher's own site for current terms.
Common questions
- What is HARPA AI?
- An automation-leaning extension that combines page reading, web monitoring and AI commands. It is published by HARPA.
- What is HARPA AI good at?
- Automation and page monitoring beyond simple chat. Custom commands for repeat workflows. Can drive your existing ChatGPT session.
- What are the limitations of HARPA AI?
- Steeper learning curve than a plain sidebar. Powerful permissions. Automation can break when sites change.
Others in multi-model sidebars
- SiderA sidebar extension that routes your prompts to several different models from one panel.
- MonicaAn all-in-one AI assistant extension offering chat, writing help and page summaries across multiple models.
- MerlinA sidebar assistant that answers on any page and supports several underlying models.
- MaxAIA sidebar assistant with shortcuts for summarising, rewriting and translating whatever is on screen.
- Full directoryEvery category, side by side.
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