docker-mcp: Instructions file for GitHub Copilot

.github/instructions/docker-modem.instructions.md

docker-mcp docker-modem.instructions.md is an instructions file for GitHub Copilot from sondt2709/docker-mcp. It costs 358 tokens per session, scanned A, original, MIT.

A Node.js module that handles network connections to the Docker daemon, the background service that runs containers. It supports local sockets, HTTP connections, and SSH connections.

In plain words
What is it for?
Use it when building software that communicates with Docker locally, over HTTP, or through SSH.
Why use it?
It provides the connection layer needed to send requests to Docker, including when Docker runs on another machine.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file.

This is sondt2709/docker-mcp's own configuration. It tells GitHub Copilot how to work on docker-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 docker-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to sondt2709/docker-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/sondt2709/docker-mcp/main/.github/instructions/docker-modem.instructions.md
Clone the repo
git clone --depth 1 https://github.com/sondt2709/docker-mcp

Made for: GitHub Copilot.

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.

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README.md
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<a href="https://agentmods.dev/instructions/sondt2709/docker-mcp/docker-modem"><img src="https://agentmods.dev/badge/instructions/sondt2709/docker-mcp/docker-modem/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.

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Your own site · 80×15
<a href="https://agentmods.dev/instructions/sondt2709/docker-mcp/docker-modem"><img src="https://agentmods.dev/badge/instructions/sondt2709/docker-mcp/docker-modem.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 358 This file is loaded in full into every session.
When invoked 358 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00358 $0.00358
Opus 5.5 $0.00143 $0.00143
Sonnet 5.5 $0.00072 $0.00072
Haiku 4.5 $0.00036 $0.00036

Measured 2mo ago against content hash f73d822b2922, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

docker-mcp docker-modem.instructions.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 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.

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.

.github/instructions/docker-modem.instructions.md · 46 lines

What it actually says

docker-modem

Docker's Remote API network layer module.

docker-modem will help you interacting with Docker, since it already implements all the network strategies needed to support all Docker's Remote API endpoints.

It is the module powering (network wise) dockerode and other modules.

Usage

Getting started

var Modem = require('docker-modem');
var modem1 = new Modem({socketPath: '/var/run/docker.sock'});
var modem2 = new Modem(); //defaults to above if env variables are not used
var modem3 = new Modem({host: 'http://192.168.1.10', port: 3000});
var modem4 = new Modem({protocol:'http', host: '127.0.0.1', port: 3000});
var modem5 = new Modem({host: '127.0.0.1', port: 3000}); //defaults to http

SSH

You can connect to the Docker daemon via SSH in two ways:

  • Using the built-in SSH agent.
  • Implement your own custom agent.
//built-in SSH agent
var modem1 = new Modem({
  protocol: 'ssh',
  host: 'ssh://127.0.0.1',
  port: 22
});

//custom agent
var customAgent = myOwnSSHAgent({host: 'ssh://127.0.0.1', port: 22});
var modem2 = new Modem({
  agent: customAgent,
});
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 · 46 lines · 358 tokens per session scan A f73d822b2922

Subscribe to this mod's changes

docker-mcp docker-modem.instructions.md is an instructions file published in the GitHub repository sondt2709/docker-mcp (0 stars, last pushed 1y ago), licensed MIT. It adds 358 tokens to every session, about $0.0014 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 2026-08-31.

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