HOI4 Agent Tools

Name: HOI4 Agent Tools
Author: klimPaskov

by klimPaskovversion 4.11.0i★ –iRuns on your computer

Registry nameio.github.klimPaskov/hoi4-agent-tools

Install

Overview

Description from the maker (original English)

Build HOI4 mods: focus trees, events, decisions, worlds, GUI previews, docs and AI balance.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Runs on your computer
Transport: stdio
Category: Other

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on your computer with your user’s permissions (files, network, apps).
The registry lists no key to fill in.

You need

npmNode.js installed (for the npx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "hoi4-agent-tools": {
      "command": "npx",
      "args": [
        "-y",
        "hoi4-agent-tools"
      ]
    }
  }
}

Run this in your terminal

claude mcp add hoi4-agent-tools -- npx -y hoi4-agent-tools

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "hoi4-agent-tools": {
      "command": "npx",
      "args": [
        "-y",
        "hoi4-agent-tools"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "hoi4-agent-tools": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "hoi4-agent-tools"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

✓ Pass
Maker matches the repo
The registry name was verified with the GitHub account klimPaskov, which owns the repo
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
– Not applicable
Endpoint responds
This one runs on your computer; there is no internet endpoint
– Not applicable
Sign-in with OAuth
Runs on your computer and uses local settings instead
… Not checked yet
No hidden instructions in tool descriptions
Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

More stars than 0% of the other 18352 servers in this category
Published to the registry more recently than 98% of the other 18352 servers in this category
Basic checks equal to or better than 100% of the other 18352 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is HOI4 Agent Tools safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (4.11.0) reached the registry yesterday.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, Hunter Killer

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

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by formulahendry

MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.

Runs on your computer★ 440MITUpdated 14 months ago

Install

Remote Desktop Commander

by desktop-commander

Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.

Runs in the cloud★ 211Updated 2 days ago

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Hunter Killer

by Irishman-Management-LLC

Liquidation walls, snapshot age, evidence labels and a public record. Managed OAuth.

Runs in the cloudUpdated today

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

HOI4 Agent Tools

An MCP server that helps coding agents build and edit Hearts of Iron IV mods.

Quick start · npm · Changelog · Contributing · Security

Make focus trees, events and decisions. Edit maps and generate a new world. Preview windows, trees and maps, find the right rule in the docs, fix broken script and balance AI choices.

What it does

Your agent can build and edit focus trees, events, decisions and maps, and generate a new world.

For a new map, give it a cleaned local reference image and preview the interpreted geography before writing. The map workflow creates provinces, states, terrain, cities, countries, supply and a provisional starting scenario. Reviewed names and masks refine ambiguous artwork; offline validation is separate from native campaign acceptance. It previews focus trees, technology folders, windows and maps, finds the right rule in the game's documentation, fixes broken script and tunes AI choices. You describe what you want; the agent picks the right tools.

Quick start

Install Node.js 22 (22.19 or later) or 24, and keep Hearts of Iron IV installed for vanilla files, artwork and fonts.
Install the server:

   npm install --global hoi4-agent-tools

Print the client configuration:

   hoi4-agent-tools-setup --print-client-config

Paste the globalInstall block into a JSON client such as Claude Code, Claude Desktop or Cursor, or the codexTomlGlobal block into Codex's config.toml.

Open your mod folder as the agent's workspace and tell it what you want to build or fix.

The setup guide covers several mods, explicit game paths, local wiki snapshots and troubleshooting with --discover and --diagnose.

Watch the Agent Tools demo or use HOI4 Mod Setup to install and connect the server for your mod. Part of the HOI4 modding toolkit with Agentic HOI4 Modding (skills and instructions for your agent) and HOI4 Live Tools (testing in the running game).

Examples

Each pair shows a capture from the game next to the server's preview of the same source.

In game	Server preview

See more in the examples gallery.

Tools

The server gives your agent previews, documentation, script analysis and editing tools. The agent combines them with its file editor to build events and decisions, repair scripts and adjust AI weights. The tool reference lists exact names, arguments and results for integrations.

FAQ

Where do edits go? Changes are written to your mod folder; use Git to review or undo them.

Does it run the game? No. Previews come from mod source; test gameplay in HOI4 to see live clicks, AI choices and timing.

Configuration

Started inside a mod folder, the server needs no configuration file. hoi4-agent-tools-setup --init writes one when you work on several mods or the game is not found automatically. For remote or shared use, hoi4-agent-tools-http serves the same tools over HTTP with tokens or OAuth. See the configuration reference and the HTTP guide.

Documentation

Setup and configuration
Examples and tool reference
Guides: local references, focus trees, scripted GUIs, maps, events, technology, AI weights and timing, decisions and impact, mechanic and package tests
Background jobs and HTTP
Development, changelog and security policy
Documentation index

Development

npm ci

npm run check

See the contributing guide and the development guide.

License

Apache-2.0; see LICENSE and the third-party notices. Hearts of Iron IV artwork belongs to Paradox Interactive; this project is unaffiliated with Paradox Interactive. The in-game captures were supplied for these comparisons.

HOI4 Agent Tools

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

Hunter Killer

README from the maker

What it does

Quick start

Examples

Tools

FAQ

Configuration

Documentation

Development

License