Render MCP Server

by rodromer Your server? Claim it

answering

Render MCP is answering right now. Last checked 5 min ago. It exposes 6 tools. Last commit 3 Sep 2026.

Hosted browser for AI agents: screenshots, post-JS DOM, console, WCAG. No install, no API key.

Uptime history 61 days of history · worst day 95%

61 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

141 ms

Response time

average over 24h

Stars

last commit 3 Sep 2026

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 3 September 2026. No other catalogue keeps this.

3 Sep a tool changed version

Render MCP missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add render-mcp --transport http https://render.makermargins.com/mcp

Settings → Connectors → Add custom connector, then paste this address

https://render.makermargins.com/mcp

~/.codex/config.toml

[mcp_servers.render-mcp]
url = "https://render.makermargins.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "render-mcp": {
      "url": "https://render.makermargins.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "render-mcp": {
      "type": "http",
      "url": "https://render.makermargins.com/mcp"
    }
  }
}

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

accessibility

accessibility_audit

Run a WCAG accessibility audit on a page using axe-core in a real browser, and report the violations with the elements responsible. Because it runs against a genuinely rendered page, colour-contrast and other rules that depend on layout and computed colour actually fire — these are silently skipped by audits that parse HTML without a layout engine. Use this to check a page meets WCAG before shipping.

inspect

inspect_element

Answer 'why isn't this element showing where I expect?' for a CSS selector on a live page. Returns the resolved box model, computed display/visibility/opacity/position/z-index, colours, whether the element is inside the viewport, and — crucially — whether another element is covering it. These are the values a browser computes after the full cascade and layout; they cannot be derived from reading HTML and CSS.

page

page_diagnostics

Load a page in a real browser and report what went wrong: JavaScript console errors and warnings, network requests that failed, and the HTTP status of the page itself. Use this when a site looks broken, a deployment might have shipped a bug, or a page loads blank and you need to know why. An agent cannot see a browser's console any other way.

rendered

rendered_html

Fetch a page's HTML *after* JavaScript has executed. Use this when a plain HTTP fetch returns an empty shell or a loading spinner — single-page apps, sites that build their content client-side, or anything behind a framework. Returns the final DOM as HTML text.

screenshot

screenshot_url

Take a screenshot of a web page as it actually renders in a real browser, after JavaScript has run. Use this when you need to see a page rather than read it — checking a layout, confirming a site is up and looks right, or capturing what a user would actually see. Returns a PNG image.

url

url_to_pdf

Render a web page to PDF exactly as a browser would print it. Use this to archive a page, produce a document from a rendered report, or capture something for a record. Returns a PDF file.

Endpoints

URL	Transport	State	Latency	Checked
https://render.makermargins.com/mcp	streamable-http	answering	107 ms	5 min ago

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Render MCP — questions

Answers built from our own checks of this server.

What can Render MCP do?

It exposes 6 tools, read directly from the server on our last check. Among them: accessibility_audit, inspect_element, page_diagnostics, rendered_html, screenshot_url, url_to_pdf. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Render MCP working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 141 ms. The bar chart above shows every period we have measured.

How do I connect Render MCP?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Render MCP need an API key?

No. Render MCP completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Render MCP?

It answers our handshake in 141 ms on average, which is faster than 85% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Render MCP open source?

The code is open source: it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at render.makermargins.com, which runs on its operator's own terms.