# io.github.RodRomer/render-mcp (remote · render.makermargins.com)

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

- Trust score: 67/100 (medium)
- Change this week: +4
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-09-20

## Components

- remote · `render.makermargins.com`: 67/100 (this document), [markdown](https://verifymcp.io/servers/rodromer-render-mcp/render.md), [page](https://verifymcp.io/servers/rodromer-render-mcp/render)

## Channel facts

- Endpoint: `https://render.makermargins.com/mcp`
- Transports: `streamable-http`
- Auth: `none`
- Version: `0.7.4`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-09-20.

- **Endpoint Security**: 46/100
  - The endpoint's TLS certificate is valid, in date, and uses a strong key.
  - Authorisation not fully verified: no authorisation is required to call this server, and 6 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.
  - HTTPS enforcement could not be verified: the plaintext port answered with HTTP 405, which proves neither a plaintext path nor enforcement.
  - HSTS check failed: the Strict-Transport-Security header is absent.
  - DNSSEC check failed: this domain isn't protected by DNSSEC.
- **Transport & Reachability**: 100/100
  - Verified streamable-http transport via a live MCP handshake.
- **Schema Quality & AI Usability**: 74/100
  - AI-judged instruction clarity (excellent).
  - Context-footprint check failed: tool/resource definitions use about 993 tokens (~165/item across 6 items; 6 tools + 0 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 60/100
  - Stability observed for 18 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 6 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 7 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 60/100
  - Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28.

## Install

### How do I install the io.github.RodRomer/render-mcp server?

io.github.RodRomer/render-mcp is a hosted endpoint at https://render.makermargins.com/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add --transport http rodromer-render-mcp 'https://render.makermargins.com/mcp'
```

### Cursor

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

### VS Code

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

### Codex

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

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "rodromer-render-mcp": {
      "type": "remote",
      "url": "https://render.makermargins.com/mcp",
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add rodromer-render-mcp --url 'https://render.makermargins.com/mcp' --transport streamable-http
```

### Hermes

```yaml
mcp_servers:
  rodromer-render-mcp:
    url: "https://render.makermargins.com/mcp"
```

### Netclaw

```json
{
  "McpServers": {
    "rodromer-render-mcp": {
      "Transport": "http",
      "Url": "https://render.makermargins.com/mcp"
    }
  }
}
```

### Vellum

```bash
assistant mcp add rodromer-render-mcp -t streamable-http -u 'https://render.makermargins.com/mcp'
```

### Other

```json
{
  "mcpServers": {
    "rodromer-render-mcp": {
      "type": "http",
      "url": "https://render.makermargins.com/mcp"
    }
  }
}
```

The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-09-20 (score 67, +1)

No change was recorded against any check on this day. Stability & Change Management went from 57 to 60. That category is still filling its 30-day observation window: 17 days of observed history at the previous scan, 18 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-18 (score 66, +1)

No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-16 (score 65, +1)

No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-14 (score 64, +1)

No change was recorded against any check on this day. Stability & Change Management went from 37 to 40. That category is still filling its 30-day observation window: 11 days of observed history at the previous scan, 12 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-12 (score 63, +1)

No change was recorded against any check on this day. Stability & Change Management went from 30 to 33. That category is still filling its 30-day observation window: 9 days of observed history at the previous scan, 10 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-10 (score 62, +1)

No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-07 (score 61, +1)

No change was recorded against any check on this day. Stability & Change Management went from 13 to 17. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 5 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-05 (score 60, +1)

No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.

## MCP tools (6)

### `screenshot_url` (~157 tokens)

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.

Input parameters:

- `full_page` (boolean): Capture the entire scrollable page rather than just the viewport. Defaults to false.
- `height` (number): Viewport height in pixels. 240-2000. Defaults to 800.
- `url` (string, required): The absolute URL to capture, including https://
- `width` (number): Viewport width in pixels. 320-2560. Defaults to 1280.

### `rendered_html` (~125 tokens)

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.

Input parameters:

- `max_chars` (number): Truncate the returned HTML to this many characters. Defaults to 100000.
- `url` (string, required): The absolute URL to load, including https://
- `wait_for` (string): Optional CSS selector to wait for before capturing, for pages that load content late.

### `page_diagnostics` (~169 tokens)

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.

Input parameters:

- `height` (number): Viewport height in pixels. 240-2000. Defaults to 800.
- `include_warnings` (boolean): Include console warnings and info messages, not just errors. Defaults to false.
- `url` (string, required): The absolute URL to load, including https://
- `width` (number): Viewport width in pixels. 320-2560. Defaults to 1280.

### `accessibility_audit` (~215 tokens)

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.

Input parameters:

- `max_violations` (number): Maximum violation types to report in detail. 1-50. Defaults to 20.
- `standard` (string): Which ruleset to run. 'wcag2aa' is the usual legal benchmark but is a narrow filter — it excludes best-practice checks such as landmarks and heading order, so a page can return zero violations and st…
- `url` (string, required): The absolute URL to audit, including https://

### `inspect_element` (~204 tokens)

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.

Input parameters:

- `height` (number): Viewport height in pixels. 240-2000. Defaults to 800.
- `max_matches` (number): How many matching elements to report. 1-10. Defaults to 3.
- `selector` (string, required): CSS selector for the element to inspect, for example '.buy-button' or '#header nav a'
- `url` (string, required): The absolute URL to load, including https://
- `width` (number): Viewport width in pixels. 320-2560. Defaults to 1280.

### `url_to_pdf` (~79 tokens)

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.

Input parameters:

- `landscape` (boolean): Landscape orientation. Defaults to false.
- `url` (string, required): The absolute URL to render, including https://

## Diagnostics

Captured diagnostic sections: TLS, DNSSEC, Authorisation, Transports. The full working is on the page: https://verifymcp.io/servers/rodromer-render-mcp/render#diagnostics

## Score history

- 2026-09-20: 67
- 2026-09-19: 66
- 2026-09-18: 66
- 2026-09-17: 65
- 2026-09-16: 65
- 2026-09-15: 64
- 2026-09-14: 64
- 2026-09-13: 63
- 2026-09-12: 63
- 2026-09-11: 62
- 2026-09-10: 62
- 2026-09-09: 61
- 2026-09-08: 61
- 2026-09-07: 61
- 2026-09-06: 60
- 2026-09-05: 60
- 2026-09-04: 59
- 2026-09-03: 59
- 2026-09-02: 58

## Common questions

### What is the io.github.RodRomer/render-mcp server?

io.github.RodRomer/render-mcp is listed in the public MCP registry as io.github.RodRomer/render-mcp. Hosted browser for AI agents: screenshots, post-JS DOM, console, WCAG. No install, no API key. This page covers its hosted endpoint (https://render.makermargins.com/mcp).

### Is the io.github.RodRomer/render-mcp server safe to use?

io.github.RodRomer/render-mcp scores 67 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the io.github.RodRomer/render-mcp server expose?

io.github.RodRomer/render-mcp exposes 6 tools: screenshot_url, rendered_html, page_diagnostics, accessibility_audit, inspect_element, url_to_pdf. Their descriptions and schemas cost roughly 949 tokens of context every time the server is loaded.

### Does the io.github.RodRomer/render-mcp server require authentication?

No. We connected to io.github.RodRomer/render-mcp without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.

### Is the io.github.RodRomer/render-mcp server still maintained?

io.github.RodRomer/render-mcp is still listed as active in the MCP registry. We last reached this channel on 20 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

## Links

- Remote endpoint: https://render.makermargins.com/mcp
- Repository: https://github.com/RodRomer/render-mcp
- Website: https://render.makermargins.com/
- Changelog RSS feed: https://verifymcp.io/servers/rodromer-render-mcp/render.xml
- Changelog JSON feed: https://verifymcp.io/servers/rodromer-render-mcp/render.json
- HTML version of this page: https://verifymcp.io/servers/rodromer-render-mcp/render