sfrangulov/skill-graveyard/mcp-graveyard

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Audit which MCP server tools your Claude Code sessions actually invoke. Use when the user wants to find dead MCP servers (configured but never called), hallucinated MCP tool calls, or per-project MCP usage. Triggers on "which MCP servers don't I use?", "clean up MCP config", "remove unused MCP servers", "audit MCP tools". Runs locally; reads ~/.claude session JSONL logs and ~/.claude.json. No network calls.

Install

npx vskill@latest install sfrangulov/skill-graveyard/mcp-graveyard

SKILL.md

mcp-graveyard

CLI that audits MCP server tool usage. Server-first table grouped into ACTIVE / DEAD / HALLUCINATED / MISSING buckets.

How to invoke

Run via npx mcp-graveyard@latest <subcommand> [flags] — no install needed.

Subcommands

  • audit (default) — classify every server. Flags: --days N, --only <bucket>, --tools <server> (drill-in), --json, --claude-dir <path>.
  • prune — print removal plan. --apply to execute (with auto-backup of removed config to a timestamped file).
  • suggest — actionable triage for unused/hallucinated.
  • projects — per-project breakdown.

Decision flow

  • "which MCP servers do I not use?" → npx mcp-graveyard@latest
  • "clean up MCP config" → prune, then --apply
  • "MCP tool didn't work" → suggest
  • per-project breakdown → projects

After running, print output verbatim. Do not summarize unless the user asks.

Security

  • Security scanPassed, 90 of 100Pattern checks on the skill's files.
  • Model reviewPassed

See the full security report

Quality evaluation

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Source

Popularity

Repository stars
10
Repository forks
2
7-day trend score
12

Stars and forks are for the whole GitHub repository, not this skill alone. Not refreshed yet.

Works with

Any agent vskill installs to: 56 targets in all. These 39 have a page on this site.

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