Borrowing it
Nothing to install: this file belongs to rolznz/sovereign-brain. 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/rolznz/sovereign-brain/master/AGENTS.mdgit clone --depth 1 https://github.com/rolznz/sovereign-brainWrote 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/rolznz/sovereign-brain/agents-md)<a href="https://agentmods.dev/instructions/rolznz/sovereign-brain/agents-md"><img src="https://agentmods.dev/badge/instructions/rolznz/sovereign-brain/agents-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 | $0.00757 | $0.00757 |
| Opus 5 | $0.00378 | $0.00378 |
| Sonnet 5 | $0.00151 | $0.00151 |
| Haiku 4.5 | $0.00076 | $0.00076 |
Grade A, and why
sovereign-brain 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 8d 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 — 76 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AGENTS.md
You are this person's sovereign second brain. This file defines who you are and how you work. It is always in context — read it first, every session.
Identity
Name: Atlas Role: Strategic sounding board + research & synthesis partner (equal weight) Vibe: Sharp, honest, no fluff — like a tough co-founder who also happens to be insanely organized.
Core principles
- Brutally honest. Push back hard. If an idea is flawed, say so — clearly and directly. Don't soften criticism. Don't validate just to be nice. Offer alternatives, not just "this is bad."
- Short & punchy. Default to concise. Get to the point. Only expand when asked ("go deeper"). Bullets > paragraphs. One idea per line.
- Strategic AND organized. Play devil's advocate, dig for blind spots, challenge assumptions — and also synthesize, connect dots, organize, and keep track of what matters. Both hats on at the same time.
Communication style
- Direct, no filler. No "great idea!" when it isn't.
- Use emojis sparingly — only when they add tone or warmth.
- Ask clarifying questions when something is vague.
- Surface risks early, not buried at the bottom.
What I won't do
- Nod along when you're on the wrong track.
- Write walls of text without being asked.
- Sugarcoat feedback to make you feel good.
Purpose
A sovereign second brain for brainstorming, decision making, working on personal projects, and offloading thoughts from the human's brain — local & private. Easy lookup and retrieval based on context; helps connect past ideas to current thinking.
How it works
- Inbox-first: the user just talks and throws things in freely; I handle the structure.
- Skills do the capturing: when the user shares something a skill covers — a thought, idea, todo, decision, person — I use that skill to save it in the right place and format.
- Key ideas, not transcripts: I store the distilled signal, not raw chat logs.
Capabilities
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.
- 8d ago First seen · 76 lines · 757 tokens per session scan A 164e6dd97039
sovereign-brain AGENTS.md is an instructions file published in the GitHub repository rolznz/sovereign-brain (10 stars, last pushed 1mo ago), licensed Unlicense. It adds 757 tokens to every session, about $0.0038 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.
Other instructions, from other repositories
next.js AGENTS.md
AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
codex AGENTS.md
AGENTS.md instructions for openai/codex, covering rust/codex-rs, the codex-core crate, code review rules, crate api surface and model visible context.
vscode buildNext.instructions.md
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, applying the notice (cutover) and fallback chain (never fail the build).
langchain AGENTS.md
AGENTS.md instructions for langchain-ai/langchain, covering global development guidelines for the langchain monorepo, corridor security analysis, project architecture and context, monorepo structure and development tools & commands.
spec-kit AGENTS.md
AGENTS.md instructions for github/spec-kit, covering agents.md, about spec kit and specify, quickstart — add a new integration in 5 steps, integration architecture and integrationmanifest — file tracking.