AI Agent Inside Every Browser Tab
A real AI agent in every browser tab. Reads, clicks, fills, compares — powered by your ChatGPT Plus or your own API keys.
In plain English
Sephir puts an AI agent in each browser tab that can read, click, fill forms and compare pages. It runs on the user's own ChatGPT Plus or AI keys. People pay for the extension. TrustMRR shows about $44 in revenue in the last 30 days. The agent does tasks, while users watch.
$44 verified revenue last 30 days, mostly non-recurring (TrustMRR/Polar, Oct 29, 2026)
Operator: Not disclosed on TrustMRR
Revenue independently checked: documents reviewed by a publication, or a public dashboard.
Not disclosed.
The tool stack
Payments / merchant of record
OpenAI API ↗LLM / vision
Chrome Web Store ↗Extension distribution
Prices are the vendors' published list prices as researched in Oct 2026 and change often — always check the vendor's pricing page.
Step-by-step setup
- Pick one annoying job inside a popular site or AI tool.
- Ship a focused browser extension that fixes it.
- Freemium with a paid Pro tier.
- Grow through Chrome Web Store search and reviews.
What's automated vs. the human 10%
The machine does
- Core AI generation/analysis
- Billing and onboarding
You still do
- Product quality and support
- Distribution and marketing
- Compliance and edge cases
Overview
A real AI agent in every browser tab. Reads, clicks, fills, compares — powered by your ChatGPT Plus or your own API keys.
Operator: Not disclosed on TrustMRR. Category on TrustMRR: Productivity. Founded: 2026-08-23. Website: https://sephir.app/
Estimated split: about 90% of the work automated, 10% human.
Realistic income
TrustMRR (checked Oct 29, 2026) shows $44 in Polar-verified revenue over the last 30 days, $126 verified over its tracked history. Most of this revenue is one-time, not recurring. This is one operator’s result, often after months or years of work, and doesn’t predict yours. Check the live listing — numbers change.
Risks
- Host sites can change their pages and break the extension.
- Store policy changes and copycats.
- Startup cost and time to first dollar are not disclosed.
*Income figures are illustrative ranges based on public pricing and typical outcomes reported by practitioners, not guarantees. Most new online businesses earn little or nothing at first. Not financial, legal or tax advice.
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