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Gtarafdar

Perfect

by Gtarafdar
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TypeScript
Local

Not affiliated with Cursor, Anysphere, Google, or Anthropic. Unofficial community project.

Why I built this

Cursor is excellent in the repo. The moment I needed it in my real browser — same cookies, same session, forms, research, YouTube — I hit a wall. Cloud browser demos weren’t enough. I wanted the agent on my desk, in tabs I can see, with permissions I control and a Stop button that actually stops.

Perfect is that bridge: local MCP + Chrome extension, visible Perfect tab group, Manual by default, no Perfect cloud.

v0.2 — Linked bridge is stable · ~26 tools · live on the Chrome Web Store.

Related MCP server: Browserbeam MCP Server

Screenshots

Linked

Welcome / setup

Agent at work

Quick start

  1. Install the extension — Add to Chrome from the Chrome Web Store (recommended), or download the zip and Load unpacked.

  2. Open Perfect → Copy setup prompt for Cursor.

  3. Paste into Cursor — it merges MCP config (npx -y perfect-mcp; GitHub fallback if npm isn’t published yet).

  4. Enable perfect in Settings → MCP → panel shows Linked.

Requires Node.js 20+ locally for the MCP server.

Try this prompt

Using Perfect: search YouTube for “Saiyaara song”, open the official YRF title track, and play it.

More recipes: Agent playbook

How it works

Cursor  --MCP stdio-->  perfect-mcp  --localhost WS + token-->  Chrome extension  --CDP-->  Perfect tab group

Mode

Behavior

Manual (default)

Approve actions

Auto

Fewer prompts on trusted sites; protected still pauses

Skip

Dangerous; prohibited actions still hard-block

Tools (summary)

Area

Examples

Tabs

browser_navigate browser_tabs browser_tab_focus browser_tab_close

Read

browser_snapshot browser_extract browser_console browser_network

Act

browser_click browser_fill browser_type browser_press browser_upload browser_drag

See

browser_screenshot (+ annotations)

Guard

browser_stop · Manual prompts · purchase/checkout hard-blocks

Full matrix + security model: Security · EVAL for Cursor

Develop

npm install && npm run build
npm test                      # Vitest unit + integration
npm run test:e2e              # Playwright fixtures
npm run test:e2e:extension    # Unpacked extension + MCP WS bridge
npm run pack:extension        # → perfect-extension.zip (CWS / Load unpacked)

Maker

Gobinda Tarafdar — WordPress product marketer · stubborn problem-solver · lifelong Harry Potter devotee.

By day: Product Marketing Specialist at WPBakery. Nights: workshop tools that scratch my own itches.

Site

gtarafdar.com

X

@Gtarafdarr

LinkedIn

gobinda-tarafdar

GitHub

Gtarafdar

Donate

gtarafdar.com/donate

If Perfect saves you time, a star or a small donation keeps the workshop lit.

Other projects from the workshop

Free, local-first where it counts.

Project

What it does

Last Sign-in

Remembers how you signed in — never passwords or cookies

Porter

Copy folders between your Macs like Finder · MCP for AI IDEs

Aligner

Free local Chrome toolkit for design, measure, and WordPress

FinderFlow

Mac file manager with built-in editor

Slack Agent Bridge

MCP bridge for Cursor and Claude

Auto AFK Slack

Lock your Mac, Slack goes AFK

Slack Teammate Time

Teammate local times inline in Slack

Broken Link Checker

Find broken links without leaving the page

Docscriber

Documentation, conjured

TheRecaller

A memory charm for what you forget online

TheEditra

AI video editor

The Quill Press

Tech news, Daily Prophet style

Costlas

Cost of living for 140+ countries

Links

License

MIT © 2026 Gobinda Tarafdar

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

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Resources

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