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@monopi/analytics-extension

v0.6.1

Published

Pi extension for analytics tracking with SQLite persistence

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Readme

@monopi/analytics-extension

Pi extension for analytics tracking with SQLite persistence.

Tracks your AI usage: which models you call, how many tokens you burn, what you spend, and stores it all in a local SQLite database so you can query trends over time.

Why use this?

The built-in usage tracker shows session-level costs. This extension goes further: it records every turn across every session for every project, giving you long-term visibility into your AI spend and usage patterns.

  • Answer questions like: "Did my token spend increase after switching to Sonnet 4?"
  • Spot trends: Are you using more tokens per turn over time?
  • Correlate with codebases: Which projects cost the most?

What it tracks

Each time you interact with pi, this extension silently records:

| Data point | Description | | ---------------- | -------------------------------------------- | | Session | Start time, end time, duration, project path | | Turn | Model, provider, input/output tokens, cost | | Codebase | Working directory (hashed for privacy) | | Model / Provider | Auto-inferred from model ID |

All data lives in a SQLite database at ~/.pi/agent/analytics.db.

Installation

pi install npm:@monopi/analytics-extension

Note: This package is opt-in. It is not installed by npx @monopi/monopi.

Usage

Terminal stats

# Quick terminal summary
/analytics

Shows session counts, total tokens, total cost, and recent activity.

Browser dashboard

# Open the full React dashboard
/analytics-dashboard

The dashboard provides charts and tables for:

  • Overview: total spend, sessions, tokens by period
  • Models: cost and token breakdown by model
  • Codebases: which projects drive the most usage
  • Insights: usage patterns across time

How it works

  • Hooks into session_start, turn_end, and session_end events
  • Auto-infers provider from model ID (e.g., claude-sonnet-4 → anthropic)
  • Uses @monopi/analytics-db for schema, migrations, and query helpers
  • Database at ~/.pi/agent/analytics.db using better-sqlite3 + Drizzle ORM

Dashboard

The companion browser dashboard (@monopi/analytics-dashboard) visualizes all data:

cd packages/monopi__analytics-dashboard
pnpm dev

It reads directly from the same SQLite database.

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