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Screenshot API for MCP clients. Capture any URL as PNG with mockup mode support.
About
Screenshot API for MCP clients. Capture any URL as PNG with mockup mode support.
Security Report
8.3
Low Risk8.3Low RiskValid MCP server (2 strong, 4 medium validity signals). 2 known CVEs in dependencies (0 critical, 2 high severity) Package registry verified. Imported from the Official MCP Registry. Trust signals: trusted author (3/3 approved).
3 files analyzed · 3 issues 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.
What You'll Need
Set these up before or after installing:
Your nightglass API key from api.nightglass.xyz/dashboardRequired
Environment variable: NIGHTGLASS_API_KEY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-mizukaizen-nightglass": {
"env": {
"NIGHTGLASS_API_KEY": "your-nightglass-api-key-here"
},
"args": [
"-y",
"nightglass-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
nightglass MCP Server
Take website screenshots from any MCP-compatible client — Claude Desktop, Cursor, Windsurf, Claude Code, and more.
Powered by the nightglass screenshot API.
Tools
take_screenshot
Capture a screenshot of any website. Returns a PNG image directly in the conversation.
Parameters:
| Parameter | Type | Default | Description |
|---|---|---|---|
url | string | required | URL to screenshot |
format | png | jpeg | webp | png | Output format |
style | raw | mockup | raw | mockup wraps the screenshot in a browser frame |
full_page | boolean | false | Capture the full scrollable page |
viewport_width | number | 1280 | Viewport width (320–3840) |
viewport_height | number | 720 | Viewport height (200–2160) |
delay | number | 0 | Wait time in ms after page load |
dark_mode | boolean | false | Emulate dark colour scheme |
check_balance
Check your account balance and remaining screenshot credits.
Setup
1. Get an API key
Sign up at api.nightglass.xyz/dashboard and create an API key. You get 50 free screenshots to start.
2. Install
npm install -g nightglass-mcp
3. Configure your MCP client
Claude Desktop — add to claude_desktop_config.json:
{
"mcpServers": {
"nightglass": {
"command": "nightglass-mcp",
"env": {
"NIGHTGLASS_API_KEY": "ng_live_your_key_here"
}
}
}
}
Claude Code — add to your project's .mcp.json:
{
"mcpServers": {
"nightglass": {
"command": "nightglass-mcp",
"env": {
"NIGHTGLASS_API_KEY": "ng_live_your_key_here"
}
}
}
}
Cursor / Windsurf — same format as Claude Desktop, in the respective config file.
Pricing
| Tier | Price | Credits | Per screenshot |
|---|---|---|---|
| Free | $0 | 50 | — |
| Starter | $5 | 500 | $0.010 |
| Growth | $20 | 2,500 | $0.008 |
| Scale | $50 | 10,000 | $0.005 |
| Enterprise | $200 | 50,000 | $0.004 |
AI agents: nightglass also supports x402 — autonomous agent payments with USDC on Base. No API key needed.
Links
License
MIT
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