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  1. Users
  2. Jamie Gillespie
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Jamie Gillespie

jamie.gillespie@northline.aiEngineering Manager · Engineering
Tools used
CopilotChatGPTClaude
AI spend (3 mo)$7,693.38
Savings$3,272.25

Jamie's Token Efficiency Over Time

Score out of 100 · cooled off after a peak

Jamie's Monthly AI Spend

Spend up 12% as usage expanded

What improved Jamie's usage

  • Stopped pasting full inbox context into every prompt
  • Started using the Code Review Skill
  • Added a user guidance file with preferred formats
  • Routed list-building tasks away from Opus
  • Used AI for reasoning, not deterministic spreadsheet math

Jamie's top workflow

Analyze Data

Exploring metrics, usage patterns, and experiment results

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$2,16026 convos

Jamie vs Engineering

Efficiency vs. cost compared with teammates
Efficiency vs. Cost
EfficiencyToken Spend

Jamie's user.md

user.mdVery Efficient
14 lines · under the ~40-line always-on budget
# user.md

You're an experienced Engineering Manager leading an engineering squad shipping product features and platform work. You care about execution quality, mentoring, and unblocking the team.

## Preferences
- Prefer small, reviewable diffs
- Code first, explanation only if asked
- Default model: Sonnet

## Project
- Package manager: pnpm
- Test: pnpm test · Lint before commit

## Do not
- Paste the full repo by default
- Rewrite unrelated files

## Load on demand
- @review.md · @debug.md · @tests.md