CLAUDE.md under 30 lines, detail pushed to path-scoped rules

Keep CLAUDE.md under 30 lines and push detail into path-scoped rules. Developer sharing a full 2026 Claude Code setup.

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what to steal

Keep the always-on file tiny and scope everything else by path.

Our takeaway from the source, not a quote.

Drawn from this card's sourced fields. Amber = older model named by the source. Rose = cut or replaced.

tartrau-lean-claude-md.toml

# Keep CLAUDE.md under 30 lines and push detail into path-scoped rules
# source: https://tartrau.fr/blog/en/claude-code-setup-2026

[rig]
who     = "Developer sharing a full 2026 Claude Code setup"
author  = "Thomas Tartrau"
date    = "not stated"

harness = ["Claude Code"]
models  = []

[keep]
  - CLAUDE.md under 30 lines
  - 15 path-scoped rules
  - 55 skills installed, 40 active
  - RTK PreToolUse hook
  - Custom netir-reviewer agent
[cut]
  - 15 skills

thing	status	why (per source)
15 skills	disabled via skillOverrides	Kept installed but switched off
RTK hook	kept	Author reports it "saved 276M tokens"

Source: https://tartrau.fr/blog/en/claude-code-setup-2026 · checked 2026-10-14

// similar rigs

~/rigs/paulund-herdr-cli.toml2026-10-05

Three desktop apps out, one terminal multiplexer in

steal → Use one session view for all CLIs instead of one app per harness.

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~/rigs/hboon-one-config-three-agent….toml2026-06-27

One config folder, symlinked into three agents

steal → Keep one AGENTS.md and skills folder; symlink it into every harness.

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One of each, then stop

steal → Ship with one CLAUDE.md, one MCP, one hook, one skill. Add the second only when the first hurts.

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by Daniil Okhlopkov