What is harnios-mcp AGENTS.md?

Repository instructions for a self-hosted shared knowledge system used by AI assistants. They tell agents not to commit or push without permission and to update written specifications before changing code.

Use them when planning or implementing features in this system, especially when checking its specification, plan, task list, and related contracts before editing code.

They prevent unapproved releases and keep the planned behavior separate from the implementation. This gives reviewers a clear record of what was intended to change.

How harnios/harnios-mcp configures Codex and OpenCode

Reuse

Borrowing it

Nothing to install: this file belongs to harnios/harnios-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/harnios/harnios-mcp/main/AGENTS.md

Clone the repo

git clone --depth 1 https://github.com/harnios/harnios-mcp

Made for: Codex, OpenCode.

Wrote 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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/harnios/harnios-mcp/agents-md/github.svg)](https://agentmods.dev/instructions/harnios/harnios-mcp/agents-md)

Your own site

<a href="https://agentmods.dev/instructions/harnios/harnios-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/harnios/harnios-mcp/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.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/harnios/harnios-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/harnios/harnios-mcp/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 104 This file is loaded in full into every session.

When invoked 104 The same file — it is already loaded in full.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

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	$0.00104	$0.00104
Opus 5.5	$0.00042	$0.00042
Sonnet 5.5	$0.00021	$0.00021
Haiku 4.5	$0.00010	$0.00010

Measured 1mo ago against content hash 57cedbeb5c6f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

harnios-mcp 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 1mo 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.

AGENTS.md · 6 lines

What it actually says

Repository working rules

Never create a Git commit or push to a remote unless the user explicitly confirms that action in the current conversation.
Before changing application code, inspect the relevant SpecKit artifacts (spec.md, plan.md, tasks.md, and contracts when applicable`). If the requested behavior is not covered, update or create the appropriate specification artifacts before implementing the code.
Treat specification and implementation changes as separate reviewable steps: explain the proposed spec impact before making code changes when the impact is material.

Changes

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.

1mo ago First seen · 6 lines · 104 tokens per session scan A 57cedbeb5c6f

Subscribe to this mod's changes

harnios-mcp AGENTS.md is an instructions file published in the GitHub repository harnios/harnios-mcp (1 stars, last pushed 1mo ago), licensed MIT. It adds 104 tokens to every session, about $0.0004 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 2026-09-18.

Building agents Planning business-os chatgpt claude company-os knowledge-base mcp

harnios-mcp AGENTS.md next to 6 instructions from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
harnios-mcp AGENTS.mdharnios/harnios-mcp	Instructions file	1	1mo ago	MIT	A	104	Codex, OpenCode
vscode buildNext.instructions.mdmicrosoft/vscode	Instructions file	195k	yesterday	MIT	A	9,719	GitHub Copilot
next.js AGENTS.mdvercel/next.js	Instructions file	143k	yesterday	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

harnios-mcp: Instructions file for Codex