openpencil: The world's first open-source AI-native vector design tool and the first to feature concurrent Agent Teams

by ZSeven-W · MCP Server · ★ 7.1k

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

Featured in: AI Design Tools

How to install openpencil

brew install --cask openpencil
npm install -g @zseven-w/openpencil

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 70/100

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.

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Quick Facts

Stars7,134
Forks618
LanguageRust
CategoryMCP Server
LicenseMIT
Quality Score70/100
Open Issues29
Last Updated2026-11-08
Created2026-02-17
Platformsclaude-code, codex, mcp, rust
Est. Tokens~27k

About openpencil

OpenPencil The world's first open-source AI-native vector design tool. Concurrent Agent Teams &bull; Design-as-Code &bull; Built-in MCP Server &bull; Multi-model Intelligence English · 简体中文 · 繁體中文 · 日本語 · 한국어 · Français · Español · Deutsch · Português · Русский · हिन्दी · Türkçe · ไทย · Tiếng Việt · Bahasa Indonesia <img...

Compatible Skills

These tools work well together with openpencil for enhanced workflows:

  • agnosticui — semantic(0.18)+complementary+rare_topics+same_lang+similar_pop+shared_platform (60%)
  • agent-skills-standard — semantic(0.17)+complementary+rare_topics+same_lang+similar_pop+shared_platform (60%)
  • shadcn-ui-mcp-server — semantic(0.37)+rare_topics+same_lang+similar_pop+shared_platform (58%)
  • takt — semantic(0.23)+complementary+rare_topics+same_lang+similar_pop+shared_platform (57%)
  • agentation — semantic(0.18)+complementary+rare_topics+same_lang+similar_pop+shared_platform (56%)

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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:

View on GitHub → Browse MCP Server tools