Borrowing it
Nothing to install: this file belongs to Advent-AI/truenorth-cli. 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/Advent-AI/truenorth-cli/main/CLAUDE.mdgit clone --depth 1 https://github.com/Advent-AI/truenorth-cliWrote 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/advent-ai/truenorth-cli/claude-md)<a href="https://agentmods.dev/instructions/advent-ai/truenorth-cli/claude-md"><img src="https://agentmods.dev/badge/instructions/advent-ai/truenorth-cli/claude-md.svg" alt="Measured on agentmods" 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 | $0.00362 | $0.00362 |
| Opus 5 | $0.00181 | $0.00181 |
| Sonnet 5 | $0.00072 | $0.00072 |
| Haiku 4.5 | $0.00036 | $0.00036 |
Grade A, and why
truenorth-cli 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 6d 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
CLAUDE.md — TrueNorth CLI
Overview
Standalone npm CLI for the TrueNorth agent-tools REST API. It exposes only
tools, call, and batch; every tool is discovered and invoked dynamically.
Tech Stack
- TypeScript (strict, ESM, NodeNext)
- Commander.js
- Chalk, cli-table3, and ora
- Vitest
Development Commands
npm install
npm run build
npm test
Architecture
src/
├── index.ts
├── program.ts
├── config.ts
├── types.ts
├── utils.ts
├── api/
│ ├── client.ts
│ └── tools.ts
└── commands/
├── tools.ts
├── call.ts
└── batch.ts
API
- Default base URL:
https://tn-api.truenorth.xyz/api/agent-tools GET /lists tools and schemas.POST /callcalls one tool with{toolName, arguments}.POST /batchcalls several tools with{calls: [{toolName, arguments}]}.
Do not add tool-specific commands or local tool registries. New API tools must
become available through tools, call, and batch without a CLI release.
Conventions
- JSON modes must remain clean for piping.
- Use
wrapAction()for command error handling. - Use the shared API client for HTTP requests.
- Keep the API envelopes compatible with the Python CLI.
- Configuration is read from
TN_BASE_URLor~/.truenorth/config.json; there is noconfigcommand.
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.
- 6d ago First seen · 59 lines · 362 tokens per session scan A ade39dde9e0d
truenorth-cli CLAUDE.md is an instructions file published in the GitHub repository Advent-AI/truenorth-cli (8 stars, last pushed 25d ago), licensed MIT. It adds 362 tokens to every session, about $0.0018 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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