Keep company books with terminal coding agents
The author has kept books for several Swedish companies using Claude Code and Codex, which read receipts, matched bank rows, posted entries and caught a VAT error before filing.
An agentic coding tool that works in your terminal and IDE.
Claude Code reads your codebase, edits files, runs commands and tests, and opens pull requests. Developers use it for multi-file refactors, bug fixes and repetitive engineering chores.

The author has kept books for several Swedish companies using Claude Code and Codex, which read receipts, matched bank rows, posted entries and caught a VAT error before filing.
A newsletter writer built a Claude Code skill that converts a newsletter URL or text into 5-10 slide HTML/CSS carousels in under 5 minutes.
The author uses Claude Code CLI with Sonnet to get the source of their 1991 386+ assembly game compiling again.
A developer had Claude Code switch a monorepo to oxlint/oxfmt, restructure the architecture and redesign a site, validating in a loop; the redesign took days instead of weeks.
An MCP server that consults MDN docs, reports browser compatibility, and analyzes your CSS for the agent.
An engineer ran a proof-of-concept that consolidated 4 repos into 2, moved MySQL to PostgreSQL, upgraded frameworks and replaced the auth model, in about 15 work days.
A developer used Claude Code with Puppeteer MCP to browse their blog, check meta tags, speed, structured data and mobile views, and write a report that caught a noindex issue.
A new mom and entrepreneur uses Claude Code to capture to-dos, break overwhelming tasks into 10-minute first steps, and learn her preferences into a file.
Claude Code reads your coverage report, picks the riskiest untested modules and writes unit tests that pass, one small PR at a time.