Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add instructions/yamaru-eu/hardware-probe/gemini-mdgit clone --depth 1 https://github.com/yamaru-eu/hardware-probeWrote 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/yamaru-eu/hardware-probe/gemini-md)<a href="https://agentmods.dev/instructions/yamaru-eu/hardware-probe/gemini-md"><img src="https://agentmods.dev/badge/instructions/yamaru-eu/hardware-probe/gemini-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 | $0.00537 | $0.00537 |
| Opus 5 | $0.00269 | $0.00269 |
| Sonnet 5 | $0.00107 | $0.00107 |
| Haiku 4.5 | $0.00054 | $0.00054 |
Grade A, and why
hardware-probe GEMINI.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 5d 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 — 42 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Yamaru Hardware Probe (MCP)
Guidelines
- Language: All documentation (README) and code comments MUST be in English for public distribution.
- Distribution: Published on GitHub Packages and npmjs as
@yamaru-eu/hardware-probe. - Synchronization: Automated "Squash & Sync" workflow to
yamaru-eu/hardware-probe.- NEVER commit sensitive data here as it will be mirrored publicly with a clean history.
- Security:
launch-mcp.shis ignored by git as it may contain production URLs or secrets.- Use
.env(not tracked) for local configuration. See.env.example. - All unique hardware identifiers (Serial, UUID, Hostname) are anonymized before transmission.
Lifecycle & Follow-up
- Versioning: Strictly follow Semantic Versioning 2.0.0.
- Release Notes: Maintain a
CHANGELOG.mdfollowing Keep a Changelog. Update it before every version bump. - Branching Model:
main: Reflects the production-ready state (stable).feat/fix/*: Feature or fix branches merged into main via PR.
- Bundle Size:
- Target
dist/size under 50KB (unpacked). - Use
npm list --prodto audit dependencies. Avoid adding heavy libraries unless essential.
- Target
- Quality Assurance:
npm test: Must pass before any merge.npm run lint: Zero warnings allowed in CI.- Prisma Integration: Ensure hardware labels match the API's diagnostic engine expectations.
Commands
npm install # Install dependencies
npm run build # Compile TypeScript → dist/
npm run dev # Run without compilation (tsx)
npm run test # Execute Vitest suite
npm run inspector # Test tools in the browser
npm run lint # Type checking via tsc
Architecture Technique
- Hardware Probe: Uses
systeminformationfor CPU, RAM, GPU, Storage, and Screens. - Anonymization: Removes unique identifiers (Serial, UUID, Hostname) before transmission.
- License: Apache 2.0 (Yamaru Project Contributors).
- Entry point:
src/index.tswith Shebang#!/usr/bin/env node.
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.
- 5d ago First seen · 42 lines · 537 tokens per session scan A 797fb8d30622
hardware-probe GEMINI.md is an instructions file published in the GitHub repository yamaru-eu/hardware-probe (7 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 537 tokens to every session, about $0.0027 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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