OpenCairn

Cornerstones — Development skill for Claude Code

Development community

Surface high-value foundational tasks tagged [CS] across the vault.

How to install Cornerstones

Installs to ~/.claude/commands/opencairn-opencairn-cornerstones.md

Terminal
mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/OpenCairn/OpenCairn/HEAD/.claude/commands/cornerstones.md -o ~/.claude/commands/opencairn-opencairn-cornerstones.md

Restart Claude Code, or start a new session, for it to be picked up.

What Cornerstones does


name: cornerstones description: Surface high-value foundational tasks tagged [CS] across the vault

Cornerstones - Foundational Task Scanner

Cornerstones are high-value foundational tasks that aren't urgent but compound over time. They're tagged `[CS]` in the vault. Because they lack urgency, they tend to sink below the waterline — this command surfaces them.

Instructions

0. Resolve the Vault Path

"$VAULT_PATH/.claude/scripts/resolve-vault.sh"

If it errors, abor

Alternatives in Development

  • Identify Assumptions Existing — Identify risky assumptions across Value, Usability, Viability, Feasibility 7.8k ★
  • Om Prep 1on1 — Prep for an upcoming 1:1 — load person context, surface open items, suggest agenda based on vault state 4.6k ★
  • Dotenv Vault — Sync environment variables across machines for consistent Claude Code behavior 1.2k ★

Full documentation available on GitHub

View Source Repository