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Claude Token Analyzer

@li195111

Repository

About Claude Token Analyzer

Diagnoses token waste in Claude Code sessions. Detects 6 types of statistical anomalies with severity scoring. Fully local — parses ~/.claude JSONL files into SQLite, nothing leaves your machine. Plugin-native: one command install, then just ask "cta".

#claude-code#token-analysis#cost-analysis#mcp#plugin#rust#anomaly-detection

Basic information

Category

AI & Agents

Transports

stdio

Publisher

li195111

Submitted by

Yue Li

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "claude-token-analyzer": {
      "command": "cta-mcp-server",
      "args": []
    }
  }
}

Tools

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Overview

What is Claude Token Analyzer?

Claude Token Analyzer diagnoses token waste in Claude Code sessions by detecting six types of statistical anomalies with severity scoring. It parses local JSONL files from ~/.claude into a SQLite database and keeps all data on the user's machine.

How to use Claude Token Analyzer?

Install with claude plugin install claude-token-analyzer, then interact via natural language through Claude Code (e.g., "Scan my sessions for anomalies"). Provided MCP tools include sync_db, anomaly_scan, cost_report, trend_report, analyze_session, analyze_project, and analyze_global.

Key features of Claude Token Analyzer

  • 6 anomaly types: token explosion, low cache hit, cost inefficient, extended session, repetitive errors, unusual model distribution
  • Cost audit: per-project and per-model cost breakdown with trend analysis
  • Fully local: data never leaves the machine
  • Plugin-native: single-command install with natural language interface

Use cases of Claude Token Analyzer

  • Diagnosing token waste in Claude Code sessions
  • Monitoring and controlling costs by project or model
  • Analyzing daily, weekly, or monthly usage trends

FAQ from Claude Token Analyzer

How do I install Claude Token Analyzer?

Run claude plugin install claude-token-analyzer in your terminal.

What data does Claude Token Analyzer use?

It reads session logs from ~/.claude JSONL files and stores them in a local SQLite database.

Does Claude Token Analyzer send data externally?

No, it is fully local — nothing leaves your machine.

What anomalies can it detect?

Six types: token explosion, low cache hit ratio, cost inefficiency, extended session duration, repetitive errors, and unusual model distribution.

How do I interact with Claude Token Analyzer?

Use natural language commands through Claude Code, for example "Scan my sessions for anomalies" or "How much did I spend this month?".

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