io.github.mizukaizen/nightglass

nightglass

Screenshot API for MCP clients. Capture any URL as PNG with mockup mode support.

alive probed 2026-10-14

2tools

680tokens in Claude Opus 5.5

698tokens in Claude Code

0.3 %of a 200k context window

375o200k_base estimate

296 msto initialize

7 msto list tools

Run it: npx -y nightglass-mcp@1.0.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: nightglass 1.0.0
Capabilities: tools
Instructions: none
Claude count: Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
Repository: https://github.com/mizukaizen/nightglass-mcp
Registry: active, updated 2026-03-28 · registry entry
Reachable: 1 of the last 1 probe

Most expensive tools

Tool	Tokens (o200k)	Share of this server
take_screenshot	330	88 %
check_balance	45	12 %

Badge and feed

[![mcpcost](https://mcpcost.ulehla.dev/badge/io.github.mizukaizen/nightglass.svg)](https://mcpcost.ulehla.dev/s/io.github.mizukaizen/nightglass)

An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.