AINewsnow

Six CLAUDE.md files, six codewords: three at launch, two after a Read, one behind an env var

This story is from 2026-09-22. It is preserved in the archive; the latest stories are on the live feed.

We put a codeword in six CLAUDE.md files and found that the parent-directory, working-directory, and CLAUDE.local.md files were in the first request at about 1,600 tokens each, while the two subdirectory files cost 0 tokens until Claude read a file below them. The --add-dir file never reached the m…

Read the full story at DEV Community — AI ↗

Timeline · 1 report

  1. 2026-09-22 02:17 · DEV Community — AI
    Six CLAUDE.md files, six codewords: three at launch, two after a Read, one behind an env var

More stories

  1. Dev News Digest: 6 Nov 2026, 06:00 — DEV Community — AI
  2. Claude Code drives wave of community-built apps, tools and workflows — DEV Community — AI
  3. Anthropic launches Claude Personal Finance in the US with read-only bank access — Engadget
  4. Perplexity launches Teammates, always-on AI agents for ongoing work — The Verge AI
  5. Anthropic simplifies repo setup for Claude Code cloud sessions — Anthropic (X)
  6. Anthropic launches Personal Finance beta in Claude for US users — Anthropic (X)
  7. Anthropic tests Claude as an agent in two EVE online games — Anthropic News
  8. Developers share techniques for running parallel Claude Code agents and sessions — DEV Community — AI

Get the daily brief of stories like this at 6:30 every morning →