Rendex

@copperline-labs

About Rendex

MCP server for Rendex — capture screenshots, generate PDFs, and render HTML to images of any webpage via AI agents. Claude, Cursor, Windsurf compatible.

#screenshot #pdf #html-to-image #rendering #web-capture #claude #ai-agent #rendex

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "rendex": {
      "command": "npx",
      "args": [
        "-y",
        "@copperline/rendex-mcp"
      ],
      "env": {
        "RENDEX_API_KEY": "your-api-key"
      }
    }
  }
}

Tools

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Overview

What is Rendex?

Rendex is an MCP server that lets AI agents render raw HTML, Markdown, or any URL to an image or PDF using the Model Context Protocol. It integrates with the Rendex platform and is designed for agents in Claude, Cursor, Windsurf, ChatGPT, and similar clients.

How to use Rendex?

Install via npx and configure your MCP client with a RENDEX_API_KEY environment variable, or connect to the remote hosted server at https://mcp.rendex.dev/mcp using OAuth 2.1 or a static API key. The server exposes tools like rendex_screenshot, rendex_extract, rendex_render_link, render_artifact, and eight watch‑related tools.

Key features of Rendex

Render any URL, raw HTML, or Markdown to PNG, JPEG, WebP, or PDF.
Extract clean reader‑mode content as Markdown, JSON, or HTML.
Generate signed, hosted, edge‑cached image URLs for OG images.
Create branded downloadable artifacts (PDF + PNG + share page) in one call.
Monitor URLs with real‑Chrome visual/text diff and change alerts.

Use cases of Rendex

Generate dynamic OG images for blog posts or release notes.
Capture full‑page screenshots of webpages with custom viewport, device, or geo settings.
Extract readable article text from SPAs for LLM summarization or RAG ingestion.
Automate page‑change detection with visual diffs and webhook notifications.
Produce branded PDF invoices, reports, or dashboards from Markdown or HTML.

FAQ from Rendex

Do I need an API key?

Yes, you can provide one via the RENDEX_API_KEY environment variable or pass it as a Bearer token to the remote server. OAuth‑capable clients can authenticate with a one‑time email code instead.

What output formats are supported?

Screenshots can be PNG, JPEG, WebP, or PDF. Content extraction returns Markdown, JSON, or HTML. Artifacts produce PDF and/or PNG with hosted share links. The rendex_render_link tool returns a signed URL for an image.

Is there a remote hosted version of Rendex?

Yes, the server is available at https://mcp.rendex.dev/mcp with OAuth 2.1 support, so no local install is needed.

Are there any limits I should know about?

Viewport width is limited to 320–3840px, height 240–2160px. Custom CSS and JavaScript are capped at 50 KB each, and artifact content at roughly 4 MB. Geo‑targeting parameters require a Pro or Enterprise plan.

Can I run captures asynchronously?

Yes, set the async parameter to true and optionally provide a webhookUrl to receive a callback when the capture completes.

Frequently asked questions

Do I need an API key?

Yes, you can provide one via the `RENDEX_API_KEY` environment variable or pass it as a `Bearer` token to the remote server. OAuth‑capable clients can authenticate with a one‑time email code instead.

What output formats are supported?

Screenshots can be PNG, JPEG, WebP, or PDF. Content extraction returns Markdown, JSON, or HTML. Artifacts produce PDF and/or PNG with hosted share links. The `rendex_render_link` tool returns a signed URL for an image.

Is there a remote hosted version of Rendex?

Yes, the server is available at `https://mcp.rendex.dev/mcp` with OAuth 2.1 support, so no local install is needed.

Are there any limits I should know about?

Can I run captures asynchronously?

Yes, set the `async` parameter to `true` and optionally provide a `webhookUrl` to receive a callback when the capture completes.

Comments

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