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Landing page CRO MCP for Grok

Fix your landing page without leaving Grok

Add Postclick to Grok as a connector. Ask what's stopping your ad clicks and get the exact change to make on the page.

Add to Grok

Works today as a custom connector with an API key

Grok answer from Postclick: fix the headline of a flood cleaning page first, with the new headline that promises a visit within 2 hours.
Recorded in grok.com on 12 Nov 2026: what to fix first on a flood cleaning page.

Set up

How to add Postclick to Grok

  1. Make an API key on postclick.ppc.io/connections, under API keys.

  2. On grok.com/connectors, add a custom connector called Postclick with this server URL.

    https://mcp.ppc.io

  3. Add a header called Authorization. Its value is Bearer, a space, then your key.

  4. In a chat, click +, then Connectors, then Postclick. Ask what to fix on your page.

On Grok Business and Enterprise, an admin adds the connector first.

Grok gets an API key, never your password. Server: https://mcp.ppc.io

Real answers

What you get back

You ask"Show me the designs"

ChatGPT shows two Postclick page designs for a hot tub company in the chat, with a note under each.
New page designs in the chat

Recorded in ChatGPT on 11 Nov 2026. Grok uses the same Postclick tools.

Server details

The short version

  1. Add one URL to Grok https://mcp.ppc.io
  2. Sign in A Postclick API key in the connector header
  3. Tools 21 tools and 5 skills
  4. What it does Audits, copy rewrites, ad match, competitor ads and new pages
  5. Price First audit free, no card. Plans from $70 a month, as of November 2026
Server name
io.ppc/postclick-landing-page-cro
Endpoint
https://mcp.ppc.io
Transport
Streamable HTTP
Sign-in
OAuth with PKCE, on postclick.ppc.io
Client ID
None to copy. Apps register themselves
Permissions
pages:read, pages:spend
Hosting
Hosted by PPC.io. Nothing to install
Tools
21 tools, 5 skills
Page updated

What to ask

Start with one question

Ask a follow-up in the same chat, like "match my ad" or "brief my designer".

Fix the page

Match your ads

Win more buyers

Start a new page

Who it's for

Built for people who pay for clicks

Agency owner

You run the ads, but the client owns the page. Ask for a designer brief and send it to the client the same day.

In-house marketer

You own the page and the budget, and there's no CRO person to ask. Get the one change to make first, with the words.

PPC freelancer

Your ad numbers look bad when the page is weak. Audit the page before the first call and show the client what to fix.

Price

Your first audit is on us

$0

One full audit of your page

No card. Run it within 30 days of signing up.

$70 a month

10 audits and 2 new landing pages a month

That's the Starter plan. See every plan

Asks first

Grok checks the price before paid work

Reading your saved audits is free. A new audit or a page build waits for your yes.

Reference

Set-up, tools and fixes

9Use Postclick in your other apps

Claude Code

Run this, then type /mcp and sign in.

claude mcp add --transport http postclick https://mcp.ppc.io

ChatGPT

Plugins, then Add, then Add custom MCP server. Paste the URL, choose OAuth and connect.

https://mcp.ppc.io

Cursor

Add to ~/.cursor/mcp.json

{ "mcpServers": { "postclick": { "url": "https://mcp.ppc.io" } } }

Grok

Make an API key on postclick.ppc.io/connections. On grok.com/connectors, add a custom connector with this URL and the header Authorization: Bearer <your key>.

https://mcp.ppc.io

Windsurf

Add to ~/.codeium/windsurf/mcp_config.json

{ "mcpServers": { "postclick": { "serverUrl": "https://mcp.ppc.io" } } }

VS Code

Add to .vscode/mcp.json

{ "servers": { "postclick": { "type": "http", "url": "https://mcp.ppc.io" } } }

Cline

Add to cline_mcp_settings.json

{ "mcpServers": { "postclick": { "type": "streamableHttp", "url": "https://mcp.ppc.io" } } }

Codex

Run this, then sign in on the page that opens.

codex mcp add postclick --url https://mcp.ppc.io

Every app opens the same Postclick sign-in page the first time it connects.

21Tools Postclick gives your AI
  • list_cro_skillsFind a landing page skillFree
  • run_cro_skillImprove my landing pageFree
  • check_balanceCheck my plan and page usageFree
  • audit_pageAudit a landing pageUses your plan, asks first
  • get_auditCheck how an audit is goingFree
  • get_audit_reportRead the full audit reportFree
  • get_competitorsWho is bidding against this pageFree
  • ask_auditAsk a question about an auditFree
  • generate_conceptsDesign new versions of a pageUses your plan, asks first
  • get_conceptsShow the page designsFree
  • build_pageBuild a design into a real pageUses your plan, asks first
  • get_buildCheck how a page build is goingFree
  • share_pageCreate a public link to shareFree
  • export_pageDownload a built page as filesFree
  • describeSee everything in my Postclick accountFree
  • searchSearch my audits, designs and reportsFree
  • fetchOpen one audit, design or reportFree
  • get_assetGet a design or screenshot imageFree
  • publish_pagePublish a report to a shareable linkFree
  • save_noteSave a note on an audit or designFree
  • get_notesRead my saved notesFree
7Fixes if something goes wrong
Postclick's tools don't show up
Start a new chat. Most apps load a new connector when a chat starts.
ChatGPT answers without Postclick
Start your message with @Postclick.
No option to add a custom connector
Custom connectors depend on your Claude or ChatGPT plan. Check the plan in your account settings.
"Sign in again" or a sign-in error
Connect Postclick again. In Claude Code, type /mcp and pick postclick. In the apps, disconnect it and connect again.
Postclick can't find your page
Give the full page address, like https://example.com/landing-page.
The audit didn't start
It needs your yes. Postclick checks your plan and asks before any paid work, so reply yes to go ahead.
The audit is still running
Ask "how is my audit going?" The audit runs on Postclick, so you can leave the chat and come back.

FAQ

Questions about Postclick in Grok

Is Postclick in Grok's connector list?

Not yet. I sent it to xAI's marketplace on 11 Nov 2026. Until it's listed, add it as a custom connector with the steps on this page.

Why does Grok need an API key?

Grok's custom connector form has no sign-in step. So you paste a Postclick API key into the header instead. You can delete the key on postclick.ppc.io/connections at any time.

What is the Postclick MCP server?

It's a hosted MCP server that gives Grok 21 landing page tools. You can read your Postclick audits, rewrite your page copy, check your ad against the page, see competitor ads and build a new page, all from the chat.

What is the server URL?

https://mcp.ppc.io. It's a remote server over Streamable HTTP with OAuth sign-in, so there's nothing to install.

Do I need an API key?

Yes, for Grok only. Make one on postclick.ppc.io/connections and paste it into the connector header. Claude, ChatGPT and Cursor sign in through your browser and need no key.

Which AI tools does it work in?

Claude on the web, on desktop and in Claude Code, plus ChatGPT, Cursor, Grok, Windsurf, VS Code, Cline and Codex. Any app that can add a remote MCP server with OAuth sign-in or an API key header can use it.

Which AI tool should I use Postclick in?

If your page is code in your own project, use Cursor or Claude Code, so the AI can make the change in your files. If you edit your page in a builder like WordPress or Webflow, use Claude or ChatGPT and paste the new words in yourself. If you already use Grok, add Postclick there with an API key.

What does it cost?

As of November 2026, your first audit is free and needs no card. Starter is $70 a month for 10 audits and 2 new landing pages. Pro is $200 a month for 20 audits and 6 new pages.

Will it spend money without asking?

No. Only 3 tools use your plan: a new audit, page designs and a page build. Before any of them, Grok checks what your plan covers, tells you and waits for your yes. If you asked for that audit or build in your message, that counts as your yes. Reading audits you already have is free.

Can Postclick change my live site?

No. You get the words to change, a brief for your designer, or a new page as one HTML file you own. In Cursor or Claude Code you can then ask the editor to make the change in your files, and you approve it there.

What's in an audit?

What to fix on the page, ranked, the doubts your buyers have, how well your ad matches the page, and the competitors bidding on the same searches.

Are my audits and pages private?

Yes. A draft stays private until you ask for a share link or publish it.

What does the free plan include?

One full audit of one page. Run it within 30 days of signing up.

Also works in

Postclick is live

Fix your landing page from Grok.

Add Postclick in 3 steps. Your first audit is free and needs no card.

Add to Grok

Not ready to paste a URL? See a finished audit first.