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108 lines
2.9 KiB
Markdown
108 lines
2.9 KiB
Markdown
---
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description: Generate a local Claude Code cost report from a cost-tracker SQLite database.
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argument-hint: [csv]
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---
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# Cost Report
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Query the local cost-tracking database and present a spending report by day,
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project, tool, and session. This command assumes a cost-tracking hook or plugin
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is already writing usage rows to `~/.claude-cost-tracker/usage.db`.
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## What This Command Does
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1. Check that `sqlite3` is available.
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2. Check that `~/.claude-cost-tracker/usage.db` exists.
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3. Run aggregate queries against the `usage` table.
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4. Present a compact report, or export recent rows as CSV when the argument is
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`csv`.
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## Prerequisites
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The database must be populated by a local cost tracker. If the file is missing,
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tell the user the tracker is not set up and suggest installing or enabling a
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trusted Claude Code cost-tracking hook/plugin first.
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```bash
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test -f ~/.claude-cost-tracker/usage.db && echo "Database found" || echo "Database not found"
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```
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## Summary Query
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```bash
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sqlite3 -header -column ~/.claude-cost-tracker/usage.db "
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SELECT
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ROUND(COALESCE(SUM(CASE WHEN date(timestamp) = date('now') THEN cost_usd END), 0), 4) AS today_cost,
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ROUND(COALESCE(SUM(CASE WHEN date(timestamp) = date('now', '-1 day') THEN cost_usd END), 0), 4) AS yesterday_cost,
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ROUND(COALESCE(SUM(cost_usd), 0), 4) AS total_cost,
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COUNT(*) AS total_calls,
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COUNT(DISTINCT session_id) AS sessions
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FROM usage;
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"
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```
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## Project Breakdown
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```bash
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sqlite3 -header -column ~/.claude-cost-tracker/usage.db "
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SELECT project, ROUND(SUM(cost_usd), 4) AS cost, COUNT(*) AS calls
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FROM usage
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GROUP BY project
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ORDER BY cost DESC;
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"
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```
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## Tool Breakdown
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```bash
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sqlite3 -header -column ~/.claude-cost-tracker/usage.db "
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SELECT tool_name, ROUND(SUM(cost_usd), 4) AS cost, COUNT(*) AS calls
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FROM usage
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GROUP BY tool_name
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ORDER BY cost DESC;
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"
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```
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## Last Seven Days
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```bash
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sqlite3 -header -column ~/.claude-cost-tracker/usage.db "
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SELECT date(timestamp) AS date, ROUND(SUM(cost_usd), 4) AS cost, COUNT(*) AS calls
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FROM usage
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GROUP BY date(timestamp)
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ORDER BY date DESC
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LIMIT 7;
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"
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```
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## CSV Export
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If the user asks for `/cost-report csv`, export the most recent usage rows with
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an explicit column list:
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```bash
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sqlite3 -csv -header ~/.claude-cost-tracker/usage.db "
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SELECT timestamp, project, tool_name, input_tokens, output_tokens, cost_usd, session_id, model
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FROM usage
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ORDER BY timestamp DESC
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LIMIT 100;
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"
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```
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## Report Format
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Format the response as:
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1. Summary: today, yesterday, total, calls, sessions.
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2. By project: projects ranked by total cost.
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3. By tool: tools ranked by total cost.
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4. Last seven days: date, cost, call count.
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Use four decimal places for sub-dollar amounts. Do not estimate pricing from raw
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tokens in this command; rely on the precomputed `cost_usd` values written by the
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tracker.
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## Source
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Salvaged from stale community PR #1304 by `MayurBhavsar`.
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