Software & DevOps
Spend leftover AI quota on reviewable PRs
RemainderBot uses a founder's goals and task lists to write PRs with spare Claude and Codex quota, producing 111 PRs including call prep and prototypes.
Claude · Codex
← All tools
Codex
OpenAI's coding agent, including the non-coding jobs people give it.
OpenAI's coding agent, including the non-coding jobs people give it.
- Type
- Coding agent
- Use cases
- 50
Use cases with Codex
Travel & Bookings
Ask an always-on Slack agent to pick flight dates
A reviewer connected Dots to Slack and asked it to use its own computer to choose flight dates; it was slow and had not picked dates after a minute.
Dots · Codex
Software & DevOps
Port Claude Code skills to Codex
The author moved 201 Claude Code skills to Codex in an afternoon using a skill inside Claude Code, and reports what transferred and what broke.
Claude Code · Codex
Work & Operations
Turn voice notes into Linear tickets and review analytics
The author built Codex skills that convert voice notes into formatted Linear tickets, review YouTube analytics weekly, and run nightly self-improvement automations.
Codex
Research & Knowledge
Research Reddit customer pain points with a skill
The author replaced a Reddit research agent with a Codex skill that finds pain points, verifies communities, collects evidence, clusters problems, and analyzes commercial signals.
Codex
Sales, Marketing & Support
Pull Substack post stats via computer use
Charlie Hills has Codex Computer Use open his Substack dashboard and collect figures for every published post, for apps lacking MCP connectors.
Codex
Life Admin & Home
Use Codex for non-coding chores
Commenters use Codex for Pi-hole upgrades, market research, wiki building, file search, PowerPoint edits, light Excel work, scraping, and data entry.
Codex
Content & Creative
Post a rendered video to Slack when integration fails
Codex read Slack feedback, edited and re-rendered a video, then used Computer Use to click Add file and post it in Slack.
Codex
Software & DevOps
Patch annoying software behavior by pointing an agent at it
Author had an agent debug a Hyper-V vmconnect fullscreen bug with a hook system, and pointed Codex at the Codex app to add features.
Codex · ChatGPT
Money, Bills & Benefits
Run an 11-agent team for trading prep
A trader runs 11 Grok Bot agents, each with one job and a scope document, with a Red Team agent that must approve a trade first.
Grok Bot · Claude · Codex
Money, Bills & Benefits
Investigate market moves and alerts with an agent on your charts
OpenChart lets Claude or Codex annotate chart setups, write indicators, and investigate price alerts, saving research to a local workspace.
Claude · Codex
Software & DevOps
Hand off coding sessions between agent accounts at usage limits
A developer built an app that tracks usage across multiple Codex and Claude Code accounts and auto-hands-off conversations when one hits its limit.
Codex · Claude Code
Shopping & Errands
Hunt high-value Pokémon cards on eBay overnight
An engineer built a Codex agent that browses eBay listings, extracts PSA certificate numbers and cross-references known prices while he sleeps.
Codex
Work & Operations
Process and query email across providers via MCP agents
A developer built an email intelligence product using agents and MCP, running on open-source models, that lets LLMs query Gmail and Outlook mailboxes; in private beta.
Cursor · Codex · Claude Code
Money, Bills & Benefits
Cancel an Amazon subscription and get a refund
Codex navigated Amazon settings to cancel a subscription, then chatted with customer service and secured an immediate $15 refund.
Codex
Work & Operations
Triage email by voice while walking
Allie Miller used ChatGPT voice mode with Codex to triage important emails, draft replies, archive or delete items and log action items.
Codex
Games & Simulations
Build game architecture and animation merging with Codex
A commenter had Codex do fundamental architecture work for their game, reading engine docs and implementing better animation merging.
Codex
Software & DevOps
Resolve a Slack-reported issue with a coding agent
A Codex agent resolved an issue passed to it in about 40 minutes, and an ops agent verified the fix back in Slack.
Codex