Borrowing it
Nothing to install: this file belongs to millionco/localterm. 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/millionco/localterm/main/AGENTS.mdgit clone --depth 1 https://github.com/millionco/localtermWrote 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/millionco/localterm/agents-md)<a href="https://agentmods.dev/instructions/millionco/localterm/agents-md"><img src="https://agentmods.dev/badge/instructions/millionco/localterm/agents-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/millionco/localterm/agents-md"><img src="https://agentmods.dev/badge/instructions/millionco/localterm/agents-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 | $0.00773 | $0.00773 |
| Opus 5.5 | $0.00309 | $0.00309 |
| Sonnet 5.5 | $0.00155 | $0.00155 |
| Haiku 4.5 | $0.00077 | $0.00077 |
Grade A, and why
localterm AGENTS.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 2mo 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 — 57 lines — stays where its author put it; the contents beside it link to each section on GitHub.
General Rules
- MUST: Use @antfu/ni. Use
nito install,nr SCRIPT_NAMEto run.nunto uninstall. - MUST: Use TypeScript interfaces over types.
- Carve-out: discriminated unions, conditional types, mapped types, and
z.infer<...>aliases must usetype(TypeScript does not allowinterface X = A | B). Object shapes still useinterface.
- Carve-out: discriminated unions, conditional types, mapped types, and
- MUST: Keep all types in the global scope.
- MUST: Use arrow functions over function declarations
- Carve-out: vendored generated files under
apps/*/src/components/ui/**andapps/*/src/lib/utils.tsare managed by the shadcn CLI (shadcn add --diff) and must keep upstream form (namedfunctiondeclarations) so smart-merge upgrades stay diffable.
- Carve-out: vendored generated files under
- MUST: Default to NO comments. Only add a comment when the user explicitly asks, or when the "why" is truly non-obvious - browser quirks, platform bugs, performance tradeoffs, fragile internal patching, or counter-intuitive design decisions. Never add comments that restate what the code does or what a well-named function/variable already conveys. When in doubt, leave the comment out.
- Do not delete descriptive comments >3 lines without confirming with the user
- MUST: Use kebab-case for files
- MUST: Use descriptive names for variables (avoid shorthands, or 1-2 character names).
- Example: for .map(), you can use
innerXinstead ofx - Example: instead of
movedusedidPositionChange
- Example: for .map(), you can use
- MUST: Frequently re-evaluate and refactor variable names to be more accurate and descriptive.
- MUST: Do not type cast ("as") unless absolutely necessary
- MUST: Remove unused code and don't repeat yourself.
- MUST: Always search the codebase, think of many solutions, then implement the most elegant solution.
- MUST: Put all magic numbers in
constants.tsusingSCREAMING_SNAKE_CASEwith unit suffixes (_MS,_PX). - MUST: Put small, focused utility functions in
utils/with one utility per file. - MUST: Use Boolean over !!.
Testing
Run checks always before committing with:
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.
- 2mo ago First seen · 57 lines · 773 tokens per session scan A 04f053f6ff8e
localterm AGENTS.md is an instructions file published in the GitHub repository millionco/localterm (165 stars, last pushed 3mo ago), licensed MIT. It adds 773 tokens to every session, about $0.0031 per session on Opus 5.5. 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 2026-08-30.
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