Borrowing it
Nothing to install: this file belongs to briannaworkman/commonplace. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/briannaworkman/commonplace/main/CLAUDE.mdgit clone --depth 1 https://github.com/briannaworkman/commonplaceWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/briannaworkman/commonplace/claude-md)<a href="https://agentmods.dev/instructions/briannaworkman/commonplace/claude-md"><img src="https://agentmods.dev/badge/instructions/briannaworkman/commonplace/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/briannaworkman/commonplace/claude-md"><img src="https://agentmods.dev/badge/instructions/briannaworkman/commonplace/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00192 | $0.00192 |
| Opus 5 | $0.00096 | $0.00096 |
| Sonnet 5 | $0.00038 | $0.00038 |
| Haiku 4.5 | $0.00019 | $0.00019 |
Grade A, and why
commonplace CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
You're at the repo root — the vault is one level down
This repository holds two vaults. Nothing should be ingested or edited here at the root.
starter/— the workshop kit. Two sources inraw/, emptywiki/. Work here.finished/— the completed reference. Same kit after one/ingest. Read-only.
If someone asks you to ingest, query, or lint from this directory
They almost certainly meant to open starter/. Tell them, and offer to work in starter/
instead — do not create raw/ or wiki/ folders at the repo root, and do not ingest
finished/ into anything.
Each subfolder has its own CLAUDE.md with the real contract. Read starter/CLAUDE.md
before doing any work in starter/.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 9d ago First seen · 16 lines · 192 tokens per session scan A 9f6a7d6aa778
commonplace CLAUDE.md is an instructions file published in the GitHub repository briannaworkman/commonplace (5 stars, last pushed 29d ago), licensed MIT. It adds 192 tokens to every session, about $0.0010 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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