agent-plugins-spec: Agent Plugins Specification v1.0.0 — A minimal standard for packaging agent extensions into distributable

by agentplugins · MCP Server · ★ 1.1k

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.

agent-pluginsagent-skillsai-agentsmcpspecification

Quick Facts

Stars1,090
Forks61
CategoryMCP Server
Quality Score63/100
Open Issues13
Last Updated2026-08-19
Created2026-04-03
Platformsmcp
Est. Tokens~11k

About agent-plugins-spec

Agent Plugins Agent Plugins is an open, vendor-neutral standard for packaging reusable components that extend AI agents into distributable plugins. It defines a portable package format for Agent Skills and MCP servers. This README is a non-normative introduction. The versioned specification defines the portable contract. Status Agent Plugins Specification 1.0.0 is the current published release.

Compatible Skills

These tools work well together with agent-plugins-spec for enhanced workflows:

  • agent-skills — semantic(0.48)+complementary+rare_topics+similar_pop (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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