just-bash-mcp: Instructions file for Codex

AGENTS.md

just-bash-mcp AGENTS.md is an instructions file for Codex, OpenCode from drizjet/just-bash-mcp. It costs 1,266 tokens per session, scanned A, original, no licence file.

An AGENTS.md instruction file for just-bash-mcp, a tool that exposes Bash-like commands through MCP.

In plain words
What is it for?
Use it when working with just-bash-mcp and needing its exposed tools, path rules, or environment-variable settings.
Why use it?
It gives agents the project-specific rules they need for understanding the tool, translating paths, and reading its configuration.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md.

This is drizjet/just-bash-mcp's own configuration. It tells Codex and OpenCode how to work on just-bash-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything just-bash-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to drizjet/just-bash-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/drizjet/just-bash-mcp/master/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/drizjet/just-bash-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.

agentmods badge for just-bash-mcp AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/drizjet/just-bash-mcp/agents-md/github.svg)](https://agentmods.dev/instructions/drizjet/just-bash-mcp/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/drizjet/just-bash-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/drizjet/just-bash-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.

agentmods 80×15 button for just-bash-mcp AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/drizjet/just-bash-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/drizjet/just-bash-mcp/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 1,266 This file is loaded in full into every session.
When invoked 1,266 The same file — it is already loaded in full.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.01266 $0.01266
Opus 5.5 $0.00506 $0.00506
Sonnet 5.5 $0.00253 $0.00253
Haiku 4.5 $0.00127 $0.00127

Measured 2mo ago against content hash 2305d78352e5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

just-bash-mcp AGENTS.md scanned grade A with 1 finding 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

| `JUST_BASH_NETWORK_ALLOW` | (disabled) | Comma-separated URL prefixes for `curl` (GET/HEAD only) |
AGENTS.md · 116 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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.

  1. 2mo ago First seen · 116 lines · 1,266 tokens per session scan A 2305d78352e5

Subscribe to this mod's changes

just-bash-mcp AGENTS.md is an instructions file published in the GitHub repository drizjet/just-bash-mcp (0 stars, last pushed 3mo ago), with no licence file. It adds 1,266 tokens to every session, about $0.0051 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Related

just-bash-mcp AGENTS.md compared with instructions from other repositories

just-bash-mcp AGENTS.md next to 6 instructions from other repositories
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deepseek-harness AGENTS.mddeepseek-ai/deepseek-harnessInstructions file274k2d agoMITA4,313Codex, OpenCode