eventcatalog: Documentation tool built for software architecture

by event-catalog · Agent Tool · ★ 2.9k

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

How to install eventcatalog

npx @eventcatalog/create-eventcatalog@latest my-catalog

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

Security audit verdict: SAFE · quality 58/100

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.

aiarchitectureasyncapiddddistributed-systemsdocumentationdomain-driven-designevent-catalogevent-driven-architecturemicroservices

Quick Facts

Stars2,945
Forks281
LanguageTypeScript
CategoryAgent Tool
Quality Score58/100
Open Issues77
Last Updated2026-10-22
Created2021-11-18
Platformsnode
Est. Tokens~22k

About eventcatalog

The open source documentation tool for software architectures. A documentation tool designed for software architecture not generic pages. Document systems, domains, services, messages and schemas. Document your architecture they way you build it. Customize your documentation to fit your workflow. Automate it, customize it, visualize it.

Compatible Skills

These tools work well together with eventcatalog for enhanced workflows:

  • napi — semantic(0.19)+complementary+rare_topics+same_lang+similar_pop+shared_platform (61%)
  • dotnet-clean-architecture-skills — semantic(0.22)+complementary+rare_topics+same_lang+shared_platform (57%)
  • oh-my-mermaid — semantic(0.18)+complementary+same_lang+similar_pop+shared_platform (56%)
  • sourcey — semantic(0.17)+complementary+same_lang+similar_pop+shared_platform (56%)
  • arc-kit — semantic(0.30)+complementary+similar_pop+shared_platform (51%)

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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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