junipr-labs/mcp-server

MCP server for Junipr APIs. Gives AI assistants access to 75+ web intelligence tools — screenshots, PDFs, metadata extraction, scrapers, validators, and more.
Tools
| Tool | Description |
|------|-------------|
| screenshot | Capture a screenshot of any webpage (PNG, JPEG, or WebP) |
| pdf | Generate a PDF from a URL or raw HTML |
| metadata | Extract title, description, Open Graph, Twitter Cards, JSON-LD, and more |
| run_tool | Run any of 75+ Junipr tools by slug (scrapers, validators, converters, analyzers) |
Setup
1. Get an API key
Sign up at junipr.io/login to get a free API key (500 credits/month).
2. Configure your MCP client
Claude Desktop
Add to your Claude Desktop config file:
**macOS:** ~/Library/Application Support/Claude/claude_desktop_config.json
**Windows:** %APPDATA%\Claude\claude_desktop_config.json
Claude Code (CLI)
Then set the environment variable:
Cursor
Add to your Cursor MCP settings (.cursor/mcp.json):
VS Code
Add to your VS Code settings (.vscode/mcp.json):
Windsurf
Add to your Windsurf MCP config (~/.codeium/windsurf/mcp_config.json):
Tool Reference
screenshot
Capture a screenshot of any webpage.
| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| url | string | (required) | URL to capture |
| format | png \| jpeg \| webp | png | Image format |
| width | number | 1280 | Viewport width (320-3840) |
| height | number | 720 | Viewport height (200-2160) |
| fullPage | boolean | false | Capture full scrollable page |
| deviceType | desktop \| mobile \| tablet | desktop | Device to emulate |
| blockCookieBanners | boolean | true | Hide cookie banners |
pdf
Generate a PDF from a URL or HTML.
| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| url | string | — | URL to convert (provide url or html) |
| html | string | — | Raw HTML to convert (provide url or html) |
| format | A4 \| Letter \| Legal \| Tabloid \| A3 \| A5 | A4 | Paper format |
| landscape | boolean | false | Landscape orientation |
| printBackground | boolean | true | Include backgrounds |
| margin | object | 1cm each | { top, right, bottom, left } in CSS units |
| headerTemplate | string | — | Header HTML template |