Rendex: Rendering API for Images, PDFs & Content Extraction

copperline-labs/rendex-mcp

Connects Claude to Rendex's rendering API for turning HTML, Markdown, or live URLs into images or PDFs. Exposes two tools: rendex_screenshot for captures with full control over viewport size, device presets, dark mode, element selectors, and custom CSS/JS injection, and rendex_extract for pulling reader-mode content as Markdown or JSON after JavaScript execution. Supports Mustache templating when you pass a data object, so you can render invoice or report templates in one shot. Runs remotely over HTTPS or locally via npx. Useful when you need programmatic screenshots, PDF generation from markup, or clean article extraction for summarization and RAG pipelines.

GitHub stars: 6
tools: 13
auth: Secret needed
transport: STDIO, HTTP
env var: 1
last updated: Jul 20, 2026

View on GitHub

Install

From registry metadata

$ npx add-mcp https://mcp.rendex.dev/mcp --name rendex-mcp --header 'Authorization: Bearer ${API_TOKEN}'

Run in your terminal. add-mcp asks which agents to add it to, then asks for each value it needs. Add -g to install it for every project.

Review the command, arguments and environment values before installing. MCP servers run with your local permissions.

Other ways

Claude Code

$ claude mcp add --transport http rendex-mcp https://mcp.rendex.dev/mcp --header 'Authorization: YOUR_AUTHORIZATION'

Run in your terminal. Add --scope user to make it available in every project.

Tools

Verified live · 13 tools

Verified live against the running server on Nov 6, 2026.

rendex_screenshotUse this when the user asks to screenshot, capture, or take a picture of a webpage/URL, or to render raw HTML or Markdown to an image or PDF. Do NOT use to get a reusable hosted image URL (use rendex_render_link) or to make a branded multi-format document (use render_artifact)...37 params

Use this when the user asks to screenshot, capture, or take a picture of a webpage/URL, or to render raw HTML or Markdown to an image or PDF. Do NOT use to get a reusable hosted image URL (use rendex_render_link) or to make a branded multi-format document (use render_artifact)...

Parameters* required

bestAttemptboolean

If true (default), capture whatever is rendered on timeout instead of failing. Set to false to get a hard error on timeout.default: true

blockAdsboolean

Block ads and trackers before capturedefault: true

blockCookieBannersboolean

Hide common cookie/consent walls (GDPR/CCPA banners) before capture. A curated selector list, lighter than custom hideSelectors.

blockResourceTypesarray

Block specific resource types to speed up capture. E.g. ['font', 'image'] for text-only screenshots.

cookiesarray

Cookies to set before capture. Useful for authenticated pages. Max 50 cookies.

cssstring

Custom CSS to inject into the page before capture. Hide cookie banners, add watermarks, override styles. Max 50KB.

darkModeboolean

Emulate dark color scheme (prefers-color-scheme: dark)default: false

dataobject

Key-value data object for Mustache templating. When provided, the 'html' or 'markdown' string is rendered as a logic-less Mustache template before capture — {{var}} inserts HTML-escaped, {{{var}}}...

delayinteger

Milliseconds to wait after page load before capture (useful for JS-rendered content)default: 0

devicestring

Device preset that sets viewport, scale factor, and user agent in one shot. E.g. 'iphone_15' for a mobile screenshot. Overrides width/height/deviceScaleFactor/userAgent.one of desktop · iphone_15 · iphone_se · pixel_8 · ipad · ipad_pro

deviceScaleFactornumber

Device pixel ratio (1 = standard, 2 = retina). Defaults to 2× Retina.default: 2

formatstring

Output format — png (lossless), jpeg (smaller), webp (smallest), or pdf (document). Use pdf for invoices, reports, archival.one of png · jpeg · webp · pdfdefault: png

fullPageboolean

Capture the full scrollable page instead of just the viewportdefault: false

geostring

ISO 3166-1 alpha-2 country code for geo-targeted capture (e.g., 'US', 'DE', 'JP'). Renders the page as seen from that country. Pro/Enterprise only. Note: CSS/JS injection, cookies, element capture,...

geoCitystring

City for more precise geo-targeting (e.g., 'Berlin', 'New York'). Requires 'geo'.

geoStatestring

State or region for more precise geo-targeting (e.g., 'California'). Requires 'geo'.

headersobject

Custom HTTP headers to send with the page request. Cannot override Host, Connection, Content-Length, or Transfer-Encoding.

heightinteger

Viewport height in pixels (240-2160)default: 800

hideSelectorsarray

CSS selectors to hide (display:none) before capture. E.g. ['.modal', '#newsletter-popup'] to remove overlays. Max 50 selectors.

htmlstring

Raw HTML to render and capture. Mutually exclusive with 'url' and 'markdown'. Great for invoices, social cards, email templates, OG images.

+17 more parameters. See the server's own documentation for the full schema.

rendex_extractUse this when the user asks to read, extract, get the text/content/article of, or summarize a webpage/URL. Do NOT use for a visual screenshot (use rendex_screenshot). Extracts clean reader-mode content from any webpage as Markdown, JSON, or HTML. Runs the same Chromium render...8 params

Use this when the user asks to read, extract, get the text/content/article of, or summarize a webpage/URL. Do NOT use for a visual screenshot (use rendex_screenshot). Extracts clean reader-mode content from any webpage as Markdown, JSON, or HTML. Runs the same Chromium render...

Parameters* required

blockAdsboolean

Block ads and trackers before extractiondefault: true

blockCookieBannersboolean

Hide common cookie/consent walls (GDPR/CCPA banners) before extraction. A curated selector list, lighter than custom hideSelectors.

devicestring

Device preset that sets viewport, scale factor, and user agent in one shot. E.g. 'iphone_15' to extract the mobile version of a page.one of desktop · iphone_15 · iphone_se · pixel_8 · ipad · ipad_pro

extractFormatstring

Output shape — markdown (default, LLM-friendly prose), json (structured fields: title/byline/excerpt/siteName/length), or html (cleaned reader-mode HTML).one of markdown · json · htmldefault: markdown

hideSelectorsarray

CSS selectors to hide (display:none) before extraction. E.g. ['.modal', '#newsletter-popup'] to remove overlays. Max 50 selectors.

timeoutinteger

Maximum seconds to wait for page load (5-60). Cloudflare has a 60s hard cap.default: 30

url*string

The webpage URL to extract readable content from (a schemeless host like 'example.com' is accepted).

waitUntilstring

Page readiness event. networkidle2 (default) is best for most sites. Use domcontentloaded for speed, networkidle0 for completeness.one of load · domcontentloaded · networkidle0 · networkidle2default: networkidle2

rendex_render_linkUse this when the user wants a reusable, HOSTED image URL — an og:image or a link to embed in an <img> tag — rather than the image bytes. Do NOT use for a one-off inline screenshot (use rendex_screenshot). Renders a URL, raw HTML, or Markdown and gives back a signed, hosted, e...38 params

Use this when the user wants a reusable, HOSTED image URL — an og:image or a link to embed in an <img> tag — rather than the image bytes. Do NOT use for a one-off inline screenshot (use rendex_screenshot). Renders a URL, raw HTML, or Markdown and gives back a signed, hosted, e...

Parameters* required

bestAttemptboolean

If true (default), capture whatever is rendered on timeout instead of failing. Set to false to get a hard error on timeout.default: true

blockAdsboolean

Block ads and trackers before capturedefault: true

blockCookieBannersboolean

Hide common cookie/consent walls (GDPR/CCPA banners) before capture. A curated selector list, lighter than custom hideSelectors.

blockResourceTypesarray

Block specific resource types to speed up capture. E.g. ['font', 'image'] for text-only screenshots.

cookiesarray

Cookies to set before capture. Useful for authenticated pages. Max 50 cookies.

cssstring

Custom CSS to inject into the page before capture. Hide cookie banners, add watermarks, override styles. Max 50KB.

darkModeboolean

Emulate dark color scheme (prefers-color-scheme: dark)default: false

dataobject

delayinteger

Milliseconds to wait after page load before capture (useful for JS-rendered content)default: 0

devicestring

deviceScaleFactornumber

Device pixel ratio (1 = standard, 2 = retina). Defaults to 2× Retina.default: 2

expiresIninteger

Seconds until the signed URL expires (60–2592000). Defaults to the server's TTL.

formatstring

Output format — png (lossless), jpeg (smaller), webp (smallest), or pdf (document). Use pdf for invoices, reports, archival.one of png · jpeg · webp · pdfdefault: png

fullPageboolean

Capture the full scrollable page instead of just the viewportdefault: false

geostring

geoCitystring

City for more precise geo-targeting (e.g., 'Berlin', 'New York'). Requires 'geo'.

geoStatestring

State or region for more precise geo-targeting (e.g., 'California'). Requires 'geo'.

headersobject

Custom HTTP headers to send with the page request. Cannot override Host, Connection, Content-Length, or Transfer-Encoding.

heightinteger

Viewport height in pixels (240-2160)default: 800

hideSelectorsarray

CSS selectors to hide (display:none) before capture. E.g. ['.modal', '#newsletter-popup'] to remove overlays. Max 50 selectors.

+18 more parameters. See the server's own documentation for the full schema.

render_artifactUse this when the user asks to make or create a branded report, invoice, summary, release notes, or document — or to 'turn this Markdown/HTML into a PDF and PNG' (optionally with a logo or accent color). Do NOT use to screenshot an existing URL (use rendex_screenshot). Turns M...11 params

Use this when the user asks to make or create a branded report, invoice, summary, release notes, or document — or to 'turn this Markdown/HTML into a PDF and PNG' (optionally with a logo or accent color). Do NOT use to screenshot an existing URL (use rendex_screenshot). Turns M...

Parameters* required

accentColorstring

CSS accent color for the bar, links, and headings (e.g. '#EA580C').

content*string

The Markdown or HTML body to render (up to ~4MB).

dataobject

Optional Mustache data. When present, content is rendered as a logic-less Mustache template (plus the branding fields as {{logo}}/{{header}}/...) before conversion.

expiresIninteger

Seconds until the hosted URLs expire (3600-2592000). Default 86400 (24h).

fontstring

CSS font-family stack for the body (e.g. 'Georgia, serif').

footerstring

Plain-text footer line shown at the bottom.

formatsarray

Which formats to produce. Each costs 1 credit. Default both.

headerstring

Plain-text header line shown beside the logo.

inputFormatstring

How to interpret content. 'markdown' is converted to styled HTML; 'html' is used as a body fragment.one of markdown · htmldefault: markdown

logostring

Absolute http(s) URL of a logo image shown in the header.

pageSetupobject

Optional paper/viewport setup.

rendex_accountCheck the Rendex account: which plan it's on, how many render credits have been used vs. the monthly limit (and when it resets), the per-minute rate limit, and a one-tap link to upgrade to a higher tier. Use this whenever the user asks about their usage, remaining quota, curre...

Check the Rendex account: which plan it's on, how many render credits have been used vs. the monthly limit (and when it resets), the per-minute rate limit, and a one-tap link to upgrade to a higher tier. Use this whenever the user asks about their usage, remaining quota, curre...

No parameters. Call it with no arguments.

watch_createUse this when the user asks to monitor, watch, or track a webpage for changes, or to be alerted/notified when a page changes. Do NOT use for a one-time capture (use rendex_screenshot). Creates a Rendex Watch — monitors a URL on a schedule and notifies when it changes (real-Chr...10 params

Use this when the user asks to monitor, watch, or track a webpage for changes, or to be alerted/notified when a page changes. Do NOT use for a one-time capture (use rendex_screenshot). Creates a Rendex Watch — monitors a URL on a schedule and notifies when it changes (real-Chr...

Parameters* required

aiSummaryboolean

Pro+ — attach a one-sentence AI 'what changed' summary to each detected change.default: false

diffModestring

How changes are detected. Default 'both' = a pixel diff (with a highlighted overlay) AND a FULL-PAGE text diff, alerting on either — catches any change, visual or text. 'visual' or 'text' narrow to...one of visual · text · bothdefault: both

intervalMinutesinteger

Check frequency in minutes. Minimum is your plan's floor — Free 1440 (daily), Basic 180, Starter 60, Pro 30, Enterprise 5.default: 1440

namestring

Optional label for the watch.

notifyEmailstring

Any plan — send change alerts here. Must be your OWN account email (others are rejected). Defaults to it if omitted.

pausedboolean

Create the watch paused (no baseline capture or charge until resumed).default: false

renderParamsobject

Render knobs applied on every check (a subset of the screenshot capture params).

thresholdnumber

Visual sensitivity (0..1). Low (default 0.01) alerts on ANY change, including a small one on a long page (a changed-region test, not a whole-page pixel ratio). 0.06+ = only MAJOR visual changes (wh...default: 0.01

url*string

The page to monitor (a schemeless host like 'rendex.dev/pricing' is upgraded to https).

webhookUrlstring

Starter+ — HMAC-signed change-webhook target.

watch_testDry-run a watch config BEFORE creating it — render the proposed config once and report what was captured + whether the page is reachable (and the text a text-watch would compare). Creates no watch, no baseline, no diff. Use this to validate a selector/scope/identity first. Ret...10 params

Dry-run a watch config BEFORE creating it — render the proposed config once and report what was captured + whether the page is reachable (and the text a text-watch would compare). Creates no watch, no baseline, no diff. Use this to validate a selector/scope/identity first. Ret...

Parameters* required

aiSummaryboolean

Pro+ — attach a one-sentence AI 'what changed' summary to each detected change.default: false

diffModestring

intervalMinutesinteger

Check frequency in minutes. Minimum is your plan's floor — Free 1440 (daily), Basic 180, Starter 60, Pro 30, Enterprise 5.default: 1440

namestring

Optional label for the watch.

notifyEmailstring

Any plan — send change alerts here. Must be your OWN account email (others are rejected). Defaults to it if omitted.

pausedboolean

Create the watch paused (no baseline capture or charge until resumed).default: false

renderParamsobject

Render knobs applied on every check (a subset of the screenshot capture params).

thresholdnumber

url*string

The page to monitor (a schemeless host like 'rendex.dev/pricing' is upgraded to https).

webhookUrlstring

Starter+ — HMAC-signed change-webhook target.

watch_listList your watches (newest first), optionally filtered by status and paged. Returns { items, nextCursor }.3 params

List your watches (newest first), optionally filtered by status and paged. Returns { items, nextCursor }.

Parameters* required

cursorstring

Pagination cursor from a previous nextCursor.

limitinteger

Page size (1–100).default: 20

statusstring

Filter by status.one of active · paused · alldefault: all

watch_getFetch one watch by ID, including its current baseline image URL and status. Returns JSON.1 params

Fetch one watch by ID, including its current baseline image URL and status. Returns JSON.

Parameters* required

id*string

The watch ID (UUID).

watch_runRun an immediate check now (charges 1 credit). Returns the queued run; poll watch_runs for the result or receive a watch.changed webhook.1 params

Run an immediate check now (charges 1 credit). Returns the queued run; poll watch_runs for the result or receive a watch.changed webhook.

Parameters* required

id*string

The watch ID (UUID).

watch_runsRead a watch's run history (newest first), paged. Each run includes changed, diffScore, and signed before/after/overlay image URLs. Returns { items, nextCursor }.3 params

Read a watch's run history (newest first), paged. Each run includes changed, diffScore, and signed before/after/overlay image URLs. Returns { items, nextCursor }.

Parameters* required

cursorstring

Pagination cursor from a previous nextCursor.

id*string

The watch ID (UUID).

limitinteger

Page size (1–100).default: 20

watch_deleteDelete a watch and its run history. Irreversible.1 params

Delete a watch and its run history. Irreversible.

Parameters* required

id*string

The watch ID (UUID).

watch_updateUpdate a watch in place — pause/resume (paused), re-point (url), change schedule/diff/notify settings, or turn a channel off (webhookUrl/notifyEmail = null). Only the fields you send change; renderParams is deep-merged over the existing config. A scope change (url/selector/ful...11 params

Update a watch in place — pause/resume (paused), re-point (url), change schedule/diff/notify settings, or turn a channel off (webhookUrl/notifyEmail = null). Only the fields you send change; renderParams is deep-merged over the existing config. A scope change (url/selector/ful...

Parameters* required

aiSummaryboolean

Pro+ — toggle the one-sentence AI 'what changed' summary on each detected change.

diffModestring

Change what counts as a change.one of visual · text · both

id*string

The watch ID (UUID) to update.

intervalMinutesinteger

New check frequency in minutes (subject to your plan's floor).

namevalue

Rename the watch (null to clear).

notifyEmailvalue

Set the alert email (your account email only); null to turn it off.

pausedboolean

true to pause the watch, false to resume.

renderParamsobject

Render knobs to deep-merge over the existing capture config.

thresholdnumber

Change the visual-change noise floor (0..1).

urlstring

Re-point to a new URL (clears the baseline; the next check re-baselines).

webhookUrlvalue

Starter+ — set or replace the change-webhook target; null to turn it off.

Configuration

RENDEX_API_KEY*secret

API key from rendex.dev dashboard

Readme

@copperline/rendex-mcp

MCP server for Rendex — render raw HTML, Markdown, or any URL to an image or PDF via AI agents using the Model Context Protocol.

Quick Start

Claude Desktop / Cursor / Windsurf (npx)

Add to your MCP client config:

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

Where to add this:

View the full README on GitHub

Details

Repository: github.com/copperline-labs/rendex-mcp
Website: rendex.dev
Categories: Design & Creative, Documents & Knowledge, Search & Web Crawling
Package: @copperline/rendex-mcp
Transport: STDIO, HTTP
Auth: Required
Registry: MCP registry, active
Resources: 1
Tools verified: Nov 6, 2026

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