---
title: "WebMCP Ready Checker – Chrome extension stats, history and permissions"
description: "322 users, rated 4.00 by 2 people. Version 1.0.0, updated 2026-02-16. Requests 3 permissions."
url: "https://extensiontracker.com/extension/gnjfbpnfgmllkpjhhohednepgffkmhhk"
---

# WebMCP Ready Checker

Live in the Chrome Web Store.

- Users: 322
- Rating: 4.00 from 2 ratings
- Last checked: 2026-09-27 02:00 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #41,071 of 264,702 live extensions
- Rank in Developer Tools: #3,573 of 27,615

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Checks if a website is WebMCP ready — validates tools, contracts, forms, and security.

- Extension ID: `gnjfbpnfgmllkpjhhohednepgffkmhhk`
- Developer: [Jens.Marketing](https://extensiontracker.com/developer/ubed93030747715e2ba29c373d20ac53e)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2026-02-16
- Last updated: 2026-02-16
- Version: `1.0.0`
- Size: 34.9 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `snipki.de`
- Chrome Web Store: <https://chromewebstore.google.com/detail/webmcp-ready-checker/gnjfbpnfgmllkpjhhohednepgffkmhhk>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=gnjfbpnfgmllkpjhhohednepgffkmhhk>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 322 | 4.00 | 2 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

**Every website:** it can read and change your data on all the sites you visit.

### Sites where it runs scripts

- `<all_urls>`: Every website

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `sidePanel`: Show a side panel
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Pixel Helper for LinkedIn](https://extensiontracker.com/extension/adbhmmjkppnhjjiapocjgjaknpigdoaa) | 20,000 | 5.00 | 5 | Accessibility |
| [Follower Insights for LinkedIn](https://extensiontracker.com/extension/kkbaccngljoklnejedmjicfdfkhgblnd) | 3,000 | 4.13 | 15 | Social Networking |
| [XING Transfer to LinkedIn](https://extensiontracker.com/extension/ebkhdmdkadbjecipaoocokoboianbpom) | 1,000 | 3.20 | 5 | Accessibility |
| [WebGrabber for Claude Design](https://extensiontracker.com/extension/cmadhofpfmppekfaogbgdppigfipeche) | 755 | – | – | Developer Tools |
| [Instant Search for LinkedIn](https://extensiontracker.com/extension/embpahkgankomlgihkjdjklnfmoablmb) | 467 | 5.00 | 4 | Accessibility |
| [LLM Viewer — See your page as an AI crawler](https://extensiontracker.com/extension/kphokbgdcfpcbghobhhkcjgcnoamngdc) | 410 | 5.00 | 2 | Tools |
| [Shift+Enter for ChatGPT](https://extensiontracker.com/extension/jlangijjgbeidbibimfmjighcpdfjdcj) | 340 | 3.00 | 2 | Tools |
| [Pixel Checker for ChatGPT](https://extensiontracker.com/extension/jfhjpajfomkbnckmkabdpamanfikbhab) | 318 | – | – | Tools |
| [Power Search for LinkedIn](https://extensiontracker.com/extension/hlbjniodlfameclpjodmamnpppnppobk) | 243 | 5.00 | 2 | Workflow & Planning |
| [Full Chat Screenshot for WhatsApp Web](https://extensiontracker.com/extension/eipakadjhjlpeaphdmmiklmfgcbbgjce) | 226 | – | – | Tools |

All 19 extensions by [Jens.Marketing](https://extensiontracker.com/developer/ubed93030747715e2ba29c373d20ac53e).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 02:00 UTC; next check around 2026-10-09.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “WebMCP Ready Checker” (gnjfbpnfgmllkpjhhohednepgffkmhhk). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/gnjfbpnfgmllkpjhhohednepgffkmhhk. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_gnjfbpnfgmllkpjhhohednepgffkmhhk,
  title   = {WebMCP Ready Checker (gnjfbpnfgmllkpjhhohednepgffkmhhk)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/gnjfbpnfgmllkpjhhohednepgffkmhhk},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/gnjfbpnfgmllkpjhhohednepgffkmhhk>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.