Ten weeks keeping the books of Swedish limited companies with Claude Code and Codex, with wins and mistakes
Philip Eriksson (co-founder of Igdrasil)Individual · Swedish limited companies in software, e-commerce, digital health, services and food
Philip Eriksson, co-founder of Igdrasil, explains how, from mid-July 2026, he kept the books of several Swedish limited companies by talking to Claude Code and Codex. He provides volumes taken from his logs, a VAT error caught before filing and a table of agent failures. He is the author of an accounting tool.
- Claude Code
- Codex (OpenAI)
- Igdrasil (own CLI and MCP server)
- +1
- Accounting
- Treasury