# Customjs MCP server

Source: https://glimind.com/server/mcp-registry%2Fspace.customjs%2Fcustomjs-mcp
Registry id: `mcp-registry/space.customjs/customjs-mcp`
Status: auth-required (checked 2026-10-27T11:34:47.854Z)

## Verdict

Customjs MCP server answered 100% of Glimind's liveness checks over 30 days, better than 42% of MCP servers, with 305 ms median handshake and 0 outages in 90 days. Its agent-readiness grade is A (96/100) across 9 tools, costing an agent about 2,234 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 100% | 42% of MCP servers |
| Median handshake latency | 305 ms | 61% of MCP servers |
| p95 handshake latency | 488 ms | — |
| Checks in 30 days | 219 | — |
| Outages, 90 days | 0 | — |
| Median recovery | — | — |
| Agent-readiness score | 96/100 (A) | 82% of MCP servers |
| Tools | 9 | — |
| Tool-list size for an agent | ~2,234 tokens | 50% of MCP servers |
| Days observed | 29 | — |

## Install

```json
{
  "mcpServers": {
    "customjs-mcp-server": {
      "type": "http",
      "url": "https://mcp.customjs.space/customjs/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http customjs-mcp-server https://mcp.customjs.space/customjs/mcp
```

## Tools (9)

- `customjs_delete_html_page`: Delete a hosted HTML page by name or pageId. Provide either 'name' or 'pageId' (at least one is required). If only 'name' is given, it is resolved to a pageId v
- `customjs_help`: Get help and examples for using CustomJS tools effectively. Returns common patterns, troubleshooting tips, and workflow examples.
- `customjs_host_html_page`: Host a static HTML page on CustomJS and get a public URL back. Upserts by name: hosting with a name that already exists UPDATES that page, while a new name CREA
- `customjs_html_to_pdf`: Convert HTML content to a professional PDF document. Supports full HTML5/CSS3 and Nunjucks templating for dynamic content. Returns a presigned download URL for 
- `customjs_list_html_pages`: List all HTML pages you have hosted on CustomJS. Returns each page's name, public URL, and pageId.
- `customjs_markdown_to_pdf`: Convert Markdown text to a styled PDF document instantly. Supports all standard Markdown: headers, lists, code blocks, tables, bold, italic, links. Returns a pr
- `customjs_run_code`: Execute custom JavaScript/Node.js code in a secure sandbox with access to popular NPM packages. Use this for data transformations, API calls, calculations, or a
- `customjs_scrape_html`: Extract the complete HTML source code from any webpage. Handles JavaScript-rendered content by executing browser automation first. Use this to scrape dynamic we
- `customjs_screenshot`: Capture a full-page screenshot of any website as a PNG image. This tool handles all browser automation internally - you don't need to write any code. Simply pro

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.