Borrowing it
Nothing to install: this file belongs to motormetrics/motormetrics. 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/motormetrics/motormetrics/main/CLAUDE.mdgit clone --depth 1 https://github.com/motormetrics/motormetricsWrote 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/motormetrics/motormetrics/claude-md)<a href="https://agentmods.dev/instructions/motormetrics/motormetrics/claude-md"><img src="https://agentmods.dev/badge/instructions/motormetrics/motormetrics/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/motormetrics/motormetrics/claude-md"><img src="https://agentmods.dev/badge/instructions/motormetrics/motormetrics/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 | $0.01147 | $0.01147 |
| Opus 5 | $0.00574 | $0.00574 |
| Sonnet 5 | $0.00229 | $0.00229 |
| Haiku 4.5 | $0.00115 | $0.00115 |
Grade A, and why
motormetrics 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 2d 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.
How it starts
The opening of the file, as written. The whole thing — 113 lines — stays where its author put it; the contents beside it link to each section on GitHub.
@AGENTS.md
CLAUDE.md
This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
Documentation Access
Automatically use Context7 for code generation and library documentation.
GitHub Operations
Prefer the GitHub MCP tools (mcp__github__*) over the gh CLI for issues, checks, and releases.
Pull requests are the exception: open and update PRs with the create-pr skill, not raw gh or MCP calls. It encodes the title and body conventions.
Commands
All commands use pnpm as the package manager. Non-obvious invocations:
pnpm test:web -- <path>- Run specific web tests (use Turborepo commands, not filter syntax)pnpm db:migrate:check- Check migration statuspnpm auth:generate- Generate authentication schema
Other scripts are in package.json. See component CLAUDE.md files for service-specific commands and workflows.
Dependency Management
Dependency versions are centralised via pnpm catalog: shared versions live in pnpm-workspace.yaml, and workspace
packages reference them with "package": "catalog:" rather than a literal version.
Code Style
TypeScript
- Avoid
anytype - preferunknownwith type guards - Use workspace imports:
@motormetrics/database,@motormetrics/utils,@motormetrics/types - Import workspace packages by subpath, not through a barrel:
@motormetrics/utils/slugify,@motormetrics/database/schema,@motormetrics/ai/embedding. Each package'spackage.jsonexportsmap is the public API — a new public module needs a new entry there.@motormetrics/typesis the exception: it is a single flat file of type declarations with nothing to split, so it keeps a plain package entry point.
Naming Conventions
- Files: Avoid redundant prefixes (✅
cars/make.tsnot ❌cars/cars-make.ts) - Variables: Use descriptive names (✅
record,result,itemnot ❌p,d,r,i)
Other
- Error handling: try/catch with specific error types
- Spelling: English (Singapore)
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.
- 2d ago Changed · +5 lines · +107 tokens per session 4361ae9bd06d
- 3d ago Changed · -59 lines · -683 tokens per session 78e49e06b130
- 6d ago First seen · 167 lines · 1,723 tokens per session scan A d6d50eaf3a33
motormetrics CLAUDE.md is an instructions file published in the GitHub repository motormetrics/motormetrics (22 stars, last pushed 3d ago), licensed MIT. It adds 1,147 tokens to every session, about $0.0057 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 2026-09-03.
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