The OnPage.dev MCP server,
connected in one click.
Free SEO MCP that closes the loop: find, fix, ship as a PR or to WordPress, prove. 70 tools, no key. Connect the official OnPage.dev MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Add OnPage.dev to your AI in one minute
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http onpage-dev https://onpage.dev/mcpRun in your terminal, then restart Claude Code.
OnPage.dev · https://onpage.dev/mcp
What your AI can do with OnPage.dev
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “scan_page”: Scan one public web page for SEO and AI visibility. Returns a 0-100 score, the issues to fix first with why and how, AI readiness, and the k.”
“Use “check_ai_visibility”: Check whether ChatGPT, Claude, Perplexity, Gemini and other AI crawlers may read a page (robots.txt per bot), whether llms.txt exists, how r.”
“Use “check_focus_keyword”: Check how well a page targets one search term: title, meta description, H1, URL, first 100 words, subheadings, image alt texts and keyword d.”
“Use “get_fix_pack”: Generate ready-to-paste fixes for the issues on a page, built from the page's own content: a title tag, meta description, canonical, social.”
How secure is the OnPage.dev MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how OnPage.dev holds up.
Official endpoint
Operated by OnPage.dev (onpage.dev) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If OnPage.dev adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick OnPage.dev
Choose OnPage.dev in the gate directory. No sign-in needed.
Use it anywhere
OnPage.dev's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools OnPage.dev exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
scan_page — Scan one public web page for SEO and AI visibility. Returns a 0-100 score, the issues to fix first with why and how, AI readiness, and the k
check_ai_visibility — Check whether ChatGPT, Claude, Perplexity, Gemini and other AI crawlers may read a page (robots.txt per bot), whether llms.txt exists, how r
check_focus_keyword — Check how well a page targets one search term: title, meta description, H1, URL, first 100 words, subheadings, image alt texts and keyword d
get_fix_pack — Generate ready-to-paste fixes for the issues on a page, built from the page's own content: a title tag, meta description, canonical, social
check_web_vitals — Get Core Web Vitals from real Chrome users (the Chrome UX Report, the field data Google uses for ranking): LCP, INP, CLS, FCP and TTFB at th
analyze_logs — Analyse server access log lines to see what Googlebot, Bingbot and AI crawlers (GPTBot, OAI-SearchBot, ChatGPT-User, ClaudeBot, Claude-User,
submit_indexnow — Submit changed URLs to IndexNow, so Bing, Yandex, Naver, Seznam and Yep recrawl them within minutes instead of days. Call it after a fix is
check_accessibility — Check a page against WCAG 2.1 level AA, the standard behind the European Accessibility Act (EN 301 549): page language, text alternatives, f
+ 42 more tools once connected
Who runs the OnPage.dev MCP server?
The OnPage.dev MCP server at a glance
https://onpage.dev/mcpQuestions, answered
Is there an official OnPage.dev MCP server?
Yes — OnPage.dev operates its own remote MCP server at onpage.dev. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect OnPage.dev to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick OnPage.dev in the directory. No account or sign-in is needed. From then on, OnPage.dev's tools are available in every client you've connected to gate.
Do I need to host anything?
No. OnPage.dev runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the OnPage.dev MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect OnPage.dev in minutes. No credit card required.
Connect more than just OnPage.dev
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up OnPage.dev in: Claude · Claude Code · ChatGPT · Cursor · VS Code