emdash: Open-Source Agentic Development Environment ( YC W26)

by generalaction · Agent Tool · ★ 6.2k

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

Security audit verdict: SAFE · quality 66/100

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.

agenticdevelopmentagenticdevelopmentenvironmentaiclaude-codeclicoding-agentscodingagentscontainerizationdockergitworktrees

Quick Facts

Stars6,206
Forks663
LanguageTypeScript
CategoryAgent Tool
LicenseApache-2.0
Quality Score66/100
Open Issues85
Last Updated2026-11-06
Created2025-08-28
Platformsclaude-code, cli, docker, node
Est. Tokens~17k

About emdash

<a href="https://github.com/generalaction/emdash/releases" style="display:inline-block; margin-ri

Compatible Skills

These tools work well together with emdash for enhanced workflows:

  • genie — semantic(0.35)+complementary+rare_topics+same_lang+similar_pop+shared_platform (66%)
  • next-devtools-mcp — semantic(0.17)+complementary+rare_topics+same_lang+similar_pop+shared_platform (56%)
  • oh-my-claudecode — semantic(0.16)+complementary+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:

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