Real AI agent use cases, with sources and setup prompts

Watch coding agents, token spend and plan limits from the Mac notch

Built Lookout, a local-first macOS notch app that shows which coding agent needs you, token spend, plan limits and live dev servers for Claude Code, Codex and Cursor.

Free tier15 minBeginnerSource linked

Source

@TheKenB_B on X · 2026-10-07 · Project link

Written in our own words. Credit to the original author. Link checked 2026-10-16.

What they did

Built Lookout, a local-first macOS notch app that shows which coding agent needs you, token spend, plan limits and live dev servers for Claude Code, Codex and Cursor.

Result (as claimed)

Open-sourced under MIT.

Tools they used

Claude CodeOpenAI CodexCursormacos

Cost: Claude Code: free plan, paid from $17/mo; OpenAI Codex: free plan, paid from $8/mo; Cursor: free plan, paid from $8/mo. Checked 2026-10-14.

Set it up

  1. Pick a contained repo or task

    Start on a branch or side project where mistakes are cheap.

  2. Install and configure

    Set up Claude Code, OpenAI Codex, Cursor, macos. Read what it can run on your machine and limit permissions where possible.

  3. Run it on a real task

    Give it a well-scoped issue and let it work. Review the diff like any pull request.

  4. Add guardrails

    Keep tests and CI in the loop, and never let an agent push to main or touch production secrets unattended.

Copy the full setup prompt

Paste into your agent and it will walk you through the setup, asking before anything that sends, posts or spends.

You are helping me set up this AI use case end to end in Claude Code.

Goal: Watch coding agents, token spend and plan limits from the Mac notch
What the original author did: Built Lookout, a local-first macOS notch app that shows which coding agent needs you, token spend, plan limits and live dev servers for Claude Code, Codex and Cursor.
Reported result (as claimed by the author): Open-sourced under MIT.
Source: https://x.com/TheKenB_B/status/2107749505659781558
Tools they used: Claude Code, OpenAI Codex, Cursor, macos
Category: Dev & ops

Please:
1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like).
2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure.
3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data.
4. Finish with a checklist to run it again next time.

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