by kerlenton · MCP Server · ★ 362
Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h
go install github.com/kerlenton/mcpsnoop/cmd/mcpsnoop@latestTaken from the project's README on GitHub.
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.
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.
| Stars | 362 |
| Forks | 36 |
| Language | Go |
| Category | MCP Server |
| License | MIT |
| Quality Score | 73/100 |
| Last Updated | 2026-10-17 |
| Created | 2026-06-27 |
| Platforms | claude-code, cli, codex, go, mcp |
| Est. Tokens | ~16k |
Wireshark for MCP. A transparent proxy that shows every real tool call between your AI client and your MCP servers, live in your terminal. The problem The official MCP Inspector connects as its own client. It never sees the traffic between your client (Claude Desktop, Cursor, Claude Code) and your server. A breakpoint in your own server only fires once a request arrives.
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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: