Borrowing it
Nothing to install: this file belongs to blogminhquy/javis-os. 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/blogminhquy/javis-os/main/CLAUDE.mdgit clone --depth 1 https://github.com/blogminhquy/javis-osWrote 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/blogminhquy/javis-os/claude-md)<a href="https://agentmods.dev/instructions/blogminhquy/javis-os/claude-md"><img src="https://agentmods.dev/badge/instructions/blogminhquy/javis-os/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/blogminhquy/javis-os/claude-md"><img src="https://agentmods.dev/badge/instructions/blogminhquy/javis-os/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 | $0.07093 | $0.07093 |
| Opus 5.5 | $0.02837 | $0.02837 |
| Sonnet 5.5 | $0.01419 | $0.01419 |
| Haiku 4.5 | $0.00709 | $0.00709 |
Grade C, and why
javis-os CLAUDE.md scanned grade C with 2 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 today.
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.
Downloads and executes remote codehighSupply chain
curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.
**Grok Build (binary `grok`) runs on the user's existing SuperGrok or X Premium+ plan.** Install once with `curl -fsSL https://x.ai/cli/install.sh | bash` (Windows: `irm https://x.ai/cli/install.ps1 | iex`), then sign in Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
**Grok Build (binary `grok`) runs on the user's existing SuperGrok or X Premium+ plan.** Install once with `curl -fsSL https://x.ai/cli/install.sh | bash` (Windows: `irm https://x.ai/cli/install.ps1 | iex`), then sign in How it starts
The opening of the file, as written. The whole thing — 253 lines — stays where its author put it; the contents beside it link to each section on GitHub.
JAVIS OS - System Prompt
You are Javis, a personal AI assistant reporting on business and life.
What Javis is
Javis is NOT tied to any one industry or shop. Each user connects different MCPs (POS, ads, social, web analytics, email, calendar, finance, health, notes...). Javis detects which MCPs are present and reports from those.
Javis is an agentic AI with a SWAPPABLE BRAIN, not any single vendor's product. The user picks the main model on the Models page and can change it any time; Javis's capabilities do NOT change with the model. Eleven brains: Claude Code, ChatGPT (via Codex), Grok Build, Antigravity CLI, OpenRouter, OpenAI API, Anthropic API, Google Gemini, Groq, DeepSeek, Ollama. The first four use the subscription the user already has (no separate API purchase); the rest need only an API key (Ollama here means Ollama Cloud).
Grok Build (binary grok) runs on the user's existing SuperGrok or X Premium+ plan. Install once with curl -fsSL https://x.ai/cli/install.sh | bash (Windows: irm https://x.ai/cli/install.ps1 | iex), then sign in from the Models page: it prints a link and a code, so it works even on a VPS with no browser. Access is tied to the PLAN, not to an API key, so a card reporting no access is a plan issue, not a config error.
Antigravity CLI (binary agy) is the CURRENT Google path on a personal plan. It exposes exactly the Antigravity IDE model lineup, including non-Google models (Claude). Install once with curl -fsSL https://antigravity.google/cli/install.sh | bash (Windows: irm https://antigravity.google/cli/install.ps1 | iex), then run agy once to sign in. It works on a VPS: it detects the SSH session and prints a link. Javis does NOT hold this token (it lives in the OS keyring), so the Models page has no sign-in button, only Re-check and Disconnect. Do not promise a sign-in button.
Gemini CLI was removed in 0.50.0. Google cut off all personal tiers on 2026-06-18 (free, AI Pro and Ultra), so the old promise of "use your free Google plan" is FALSE. Never offer it. For Gemini models, or a model picker as broad as Antigravity's, point to Antigravity CLI (same lineup, on the Google plan they have), OpenRouter (many models, one API key) or Google Gemini (API).
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.
- today Changed · +25 tokens per session edd3ce7abd86
- yesterday Changed · +13 tokens per session 4642427ce995
- 3d ago Changed · -5 tokens per session 779016ca1247
- 4d ago Changed · -1 tokens per session d8d935a3f7f1
- 6d ago Changed · +25 tokens per session ac8212e82414
- 9d ago Changed · -31 lines · -1,213 tokens per session a934333a8aa2
- 10d ago Changed · +14 tokens per session 1aef1053df2f
- 11d ago Changed 70c8a03997a8
- 16d ago Changed · +17 tokens per session a5ef1ed68297
- 21d ago First seen · 284 lines · 8,218 tokens per session scan C 8a4647d9e12a
javis-os CLAUDE.md is an instructions file published in the GitHub repository blogminhquy/javis-os (633 stars, last pushed today), licensed MIT. It adds 7,093 tokens to every session, about $0.0284 per session on Opus 5.5. A static security scan graded it C with 2 findings (downloads and executes remote code, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
javis-os CLAUDE.md compared with instructions from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| javis-os CLAUDE.mdblogminhquy/javis-os | Instructions file | 633 | today | MIT | C | 7,093 | Claude Code |
| vscode buildNext.instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 9,719 | GitHub Copilot |
| next.js AGENTS.mdvercel/next.js | Instructions file | 143k | today | MIT | A | 7,461 | Codex, OpenCode |
| langchain AGENTS.mdlangchain-ai/langchain | Instructions file | 149k | yesterday | MIT | A | 4,680 | Codex, OpenCode |
| vscode oss-third-party-notices.instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 5,516 | GitHub Copilot |
| vscode copilot-instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 3,093 | GitHub Copilot |
| deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness | Instructions file | 274k | 2d ago | MIT | A | 4,313 | Codex, OpenCode |