servers: Model Context Protocol Reference Servers

by modelcontextprotocol · MCP Server · ★ 91.8k

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

Security audit verdict: SAFE · quality 45/100

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.

Quick Facts

Stars91,803
Forks11,910
LanguageTypeScript
CategoryMCP Server
Quality Score45/100
Open Issues11
Last Updated2026-11-05
Created2024-11-19
Platformsnode
Est. Tokens~26k

About servers

Model Context Protocol servers This repository is a collection of reference implementations for the Model Context Protocol (MCP), as well as references to community-built servers and additional resources. [!IMPORTANT] If you are looking for a list of MCP servers, you can browse published servers on the MCP Registry.

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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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