About io.github.mizukaizen/nightglass
io.github.mizukaizen/nightglass is an MCP server in the Browser category: screenshot API for MCP clients. Capture any URL as PNG with mockup mode support.
Install
claude mcp add io-github-mizukaizen-nightglass -- npx -y nightglass-mcpnpx -y nightglass-mcpThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (2)
check_balanceCheck your nightglass account balance and remaining screenshot credits.
Parameters not published.
take_screenshotTake a screenshot of a website. Returns the screenshot as a PNG image. Supports viewport screenshots, full-page captures, and mockup mode (screenshot wrapped in a browser frame).
Parameters not published.
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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
README copy captured when this server was indexed; it may lag the repository. The original is authoritative.