OpenScreenShot: Privacy-first, free, open-source screenshot extension -- zero data leaves your device, no account needed, no

by PGHQdev · MCP Server · ★ 86

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

Security audit verdict: SAFE · quality 63/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

annotation-toolcanvas-editorchrome-extensionchrome-screenshotdeveloper-toolsfirefoxfirefox-addonfirefox-extensionfull-page-screenshotmcp-server

Quick Facts

Stars86
Forks7
LanguageTypeScript
CategoryMCP Server
LicenseMIT
Quality Score63/100
Last Updated2026-10-21
Created2026-07-04
Platformsbrowser, cli, mcp, node
Est. Tokens~18k

About OpenScreenShot

OpenScreenShot The whole page. One click. Yours to keep. Open-source full-page screenshot extension for Chrome and Firefox. Capture, annotate, blur, export as PNG, JPEG, WebP, or PDF, and record a tab. Everything runs on your device. No account. <td ali

Compatible Skills

These tools work well together with OpenScreenShot for enhanced workflows:

  • Curio — semantic(0.37)+complementary+rare_topics+same_lang+similar_pop+shared_platform (68%)
  • ai-chat-speed-booster — semantic(0.31)+complementary+rare_topics+same_lang+similar_pop+shared_platform (65%)

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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