Tethernet

by benedict.porkins@gmail.com · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Connect Chrome to a local AI session. Network capture, request interception, telemetry detection, page interaction. Localhost only.

Users

−1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#362K

#274K among extensions

Version

1.3.0

updated 22 Sep 2026

Users

monthly, 3 months

Latest, 15 Oct 2026: 2 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Tethernet

Tethernet is a developer tool that connects Chrome to a locally-running AI session (Claude Code or Claude Desktop) via the Model Context Protocol. It is not an AI extension. It contains no AI. It connects your browser to a local server you run. Most browser MCP extensions give Claude click-and-read. Tethernet adds the network layer: - Full HTTP response bodies via Chrome Debugger API — no DevTools needed - Passive Mode: silent ring buffer logs all network activity as you browse - Request interception and replay — hook fetch/XHR, modify payloads, stub responses - Telemetry detection — classifies GA4, Segment, Amplitude, Conviva, Nielsen, Comscore, Adobe, Datadog, New Relic Read page content, take screenshots, click/type/fill forms, execute JavaScript, capture WebSocket frames, manage cookies, run Lighthouse audits on your real authenticated session, store site layout maps across sessions. **How to connect** 1. Run: claude mcp add tethernet --scope user -- npx -y @drbenedictporkins/tethernet-mcp 2. Ask Claude: "What's the Tethernet port?" 3. Click the icon, enter the port, connect All traffic goes to ws://localhost:PORT — your machine only. Nothing sent externally. Privacy policy: https://drbenedictporkins.github.io/tethernet/privacy.html Source: https://github.com/DrBenedictPorkins/tethernet