The library · Plan kit

Create a project plan for your agent.

Generate the files that record your project’s rules, decisions and first piece of work. Keeping them in the repository gives each agent session the same starting context. Fill in the project details below and download the files.

How I work: Keep the plan with the work →

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Your files

CLAUDE.md

@AGENTS.md

The rules live in AGENTS.md, so Claude Code and Codex read the same ones.

Run the command to write your files; it refuses to overwrite existing ones. For files in a repo, run it at the repo root.

More builders

The whole library →

Criteria checker
Give your builder and reviewer the same target. Check for vague criteria and start from a WHEN/SHALL line.
- Checked criteria in Markdown
→
Brief builder
Give each session a job with a clear boundary. See what’s missing before you hand over brief.md.
- brief.md
→

Project notes by email.

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Scorecard →

Create a project plan for your agent.

Start with one project

Criteria checker

Brief builder

Project notes by email.