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boot-tax-monitor

Measure startup token overhead in Claude Code sessions and output a compact report.

4|1|Updated Apr 11, 2026
Search Tags:#monitoring#mcp#plugins#startup#boot#claude-code#token
One-click install
npx skills add https://github.com/m2ai-portfolio/m2ai-skills-pack --skill boot-tax-monitor
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: boot-tax-monitor
Source: https://github.com/m2ai-portfolio/m2ai-skills-pack/tree/main/skills/boot-tax-monitor
Command: npx skills add https://github.com/m2ai-portfolio/m2ai-skills-pack --skill boot-tax-monitor

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps teams control the growth of startup context in Claude Code by monitoring and alerting on startup overhead across plugins, skills, MCP servers, and the CLAUDE.md chain.

Core Features & Use Cases

  • Startup cost measurement: accurately quantifies tokens loaded during session startup for a given workspace.
  • Threshold-based alerts: signals when boot tax exceeds configurable levels to prevent silent context bloat.
  • Compact boot tax reporting: produces a concise, actionable report that can guide optimization efforts.

Quick Start

Run boot-tax-monitor to generate a boot tax report for your Claude Code session and verify startup memory usage.

Frequently Asked Questions about boot-tax-monitor

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I measure startup token overhead in a Claude Code session?▼

You can measure startup token overhead by running boot-tax-monitor, which counts tokens loaded across CLAUDE.md chains, skill descriptions, MCP tool schemas, hooks, and memory files, then outputs a compact boot tax report.

What is Claude Code boot tax and how does it affect my context window?▼

Boot tax is the startup token overhead consumed by plugins, skills, MCP servers, and CLAUDE.md chains during session initialization. Monitoring it prevents silent context bloat that reduces your available working memory.

Can I set threshold alerts for MCP server and plugin context bloat?▼

Yes, boot-tax-monitor supports threshold-based alerts that signal when startup overhead exceeds configurable levels across plugin suites, skills, MCP servers, and CLAUDE.md chains during periodic or on-demand checks.

How do I get a startup cost report for CLAUDE.md chains and MCP tool schemas?▼

Run boot-tax-monitor to generate a concise boot tax report for your workspace. It measures startup cost by counting hooks, memory files, CLAUDE.md chain depth, skill descriptions, and MCP tool schemas to guide optimization efforts.

Does boot tax monitoring work across multiple projects and plugin suites?▼

Yes, boot-tax-monitor applies to plugin suites, skills, MCP servers, and CLAUDE.md chains across projects. It performs periodic or on-demand checks to alert on startup token overhead in diverse workspace configurations.

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