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MCP Server that renders JavaScript SPA pages and extracts LLM-ready Markdown content
About
MCP Server that renders JavaScript SPA pages and extracts LLM-ready Markdown content
Security Report
10.0
Low Risk10.0Low RiskValid MCP server (2 strong, 3 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry.
12 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-xxo47oxx-spa-reader-mcp": {
"args": [
"-y",
"spa-reader-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
spa-reader-mcp
MCP server that renders JavaScript SPA pages and extracts Markdown via headless Chromium.
Traditional scrapers fail on SPAs because content is rendered client-side. This tool launches Playwright, waits for JS to finish, then extracts clean Markdown using Readability + Turndown.
Install
npx playwright install chromium
Claude Desktop
{
"mcpServers": {
"spa-reader": {
"command": "npx",
"args": ["-y", "spa-reader-mcp"]
}
}
}
Claude Code
claude mcp add spa-reader -- npx -y spa-reader-mcp
Tools
spa_read
Render a page and extract content as Markdown.
| Parameter | Type | Default | Description |
|---|---|---|---|
url | string | — | URL to read (required) |
waitForSelector | string | — | CSS selector to wait for |
waitTimeout | number | 30000 | Timeout in ms |
includeMetadata | boolean | true | Add YAML frontmatter |
cookies | array | — | Cookies for auth |
headers | object | — | Custom HTTP headers |
spa_screenshot
Capture a PNG screenshot after JS rendering.
| Parameter | Type | Default | Description |
|---|---|---|---|
url | string | — | URL to capture (required) |
waitForSelector | string | — | CSS selector to wait for |
waitTimeout | number | 30000 | Timeout in ms |
width | number | 1280 | Viewport width |
height | number | 720 | Viewport height |
fullPage | boolean | false | Full page capture |
cookies | array | — | Cookies for auth |
headers | object | — | Custom HTTP headers |
Security
- SSRF protection: blocks private/loopback IPs
- Only
http:andhttps:schemes allowed - Selector injection prevention
- Content capped at 100KB
Dev
pnpm install && pnpm build
pnpm test
License
MIT
Reviews
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