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mcp-graveyard

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UpdatedMay 7, 2026 at 06:23

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.

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sfrangulov

sfrangulov/skill-graveyard

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Related occupationsSOC

Based on SOC occupation classification

Software DevelopersComputer and Mathematical Occupations·SOC 15-1252

SKILL.md

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name	mcp-graveyard
description	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.
license	MIT
metadata	{"author":"sfrangulov","version":"1.0.0"}

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.

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Audit which Claude Code skills you actually invoke. Use when the user wants to find dead/unused skills, hallucinated skill invocations, per-project skill stats, or token cost of installed skill metadata. Triggers on "what skills don't I use?", "clean up my skills", "why didn't this skill work?", "audit skills". Runs locally; reads ~/.claude session JSONL logs. No network calls.

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name	mcp-graveyard
description	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.
license	MIT
metadata	{"author":"sfrangulov","version":"1.0.0"}

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.