Ifc Mcp

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Local MCP server for IFC/BIM workflows with generated IfcOpenShell Python in Pyodide and an IFC viewer.

Описание

Local MCP server for IFC/BIM workflows with generated IfcOpenShell Python in Pyodide and an IFC viewer.

README

IFC MCP lets your AI assistant inspect IFC/BIM files, create IFC files, create reports, open IFC models in a viewer, and apply BCF viewpoints.

How It Works

After installation, ask your AI client in normal language. The AI client starts IFC MCP when it needs the IFC tools and sends your request to the local server. IFC MCP reads IFC files locally, runs the needed IFC logic in a local Pyodide runtime with IfcOpenShell, and returns the answer to the chat.

Watch IFC MCP with Claude demo on YouTube

Good example prompts:

Open examples/sample.ifc and summarize the model.
Count the walls, doors, windows, spaces, and property sets in examples/sample.ifc.
Find missing names, classifications, and suspicious property values in this IFC file.
Create a CSV room-area report from this IFC file.
Create a simple IFC file with one building, one storey, and four walls.
Open the IFC viewer and show examples/sample.ifc.
Apply C:\path\to\viewpoint.bcfzip in the open IFC viewer.
Clear the IFC viewer.

If IFC MCP creates a report, BCF file, or new IFC file, it returns a local download link. If you ask to view a model, IFC MCP opens a local viewer link. If your AI client does not open that link automatically, open it in your browser.

Installation

1. Prerequisites

Install Node.js 18.20 or newer from the official Node.js download page. Choose the LTS version for your operating system, run the installer, then reopen the app where you want to use IFC MCP.

IFC MCP uses npx, which is included with Node.js. If your app later says node or npx is not found, reinstall Node.js LTS and reopen the app.

2. Choose your client

Claude Desktop

Option 1: Use the Claude Desktop UI

Open Claude Desktop.
Open Settings.
Open Developer or Desktop app developer settings.
Click Edit Config if that button is available. This opens the Claude Desktop MCP config file.
Paste the JSON below, save the file, then fully quit and reopen Claude Desktop.

{
  "mcpServers": {
    "ifc-mcp": {
      "command": "npx",
      "args": ["-y", "ifc-mcp"]
    }
  }
}

If the file already contains JSON, add only the ifc-mcp entry inside the existing mcpServers object. Do not create a second mcpServers object.

Option 2: Open the config file directly

Use this only if you do not see Edit Config in Claude Desktop:

Windows: %APPDATA%\Claude\claude_desktop_config.json
macOS: ~/Library/Application Support/Claude/claude_desktop_config.json

Paste the same JSON from Option 1, save the file, then fully quit and reopen Claude Desktop.

Check

To check the setup, open Claude Desktop, start a new chat, click the + button near the chat box, and look for Connectors. IFC MCP should appear there after Claude Desktop has restarted. You should see the tools listed in the How It Works section above.

For more detail, see Claude's local MCP server guide.

VS Code Copilot

Option 1: Use the install button

This opens VS Code and adds IFC MCP.

Install IFC MCP in VS Code

If VS Code asks whether you trust the server, accept it. Reload VS Code if the tools do not appear. Open Chat and use the tools/configure-tools button to see the IFC MCP tools.

Option 2: Add .vscode/mcp.json manually

{
  "servers": {
    "IFC MCP": {
      "type": "stdio",
      "command": "npx",
      "args": ["-y", "ifc-mcp"]
    }
  }
}

Reload VS Code after saving the file.

Open Chat and use the tools/configure-tools button to see the IFC MCP tools.

For more detail, see the VS Code MCP server docs.

VS Code Codex

Option 1: Use the Codex settings UI

Open VS Code.
Open the Codex panel.
Open Codex settings.
Select MCP servers.
Click Add server.
Enter:
- Name: ifc-mcp
- Command: npx
- Arguments: -y ifc-mcp
Save the server.
Reload VS Code or start a new Codex session.
Check that the IFC MCP tools are available in the new Codex session.

Option 2: Use the terminal command

Open Terminal -> New Terminal in VS Code.
Paste and run:

codex mcp add ifc-mcp -- npx -y ifc-mcp

Reload VS Code or start a new Codex session.
Check that the IFC MCP tools are available in the new Codex session.

For more detail, see the Codex MCP docs.

VS Code Claude Code

Option 1: Use a project JSON file

Open your project in VS Code.
Create or edit .mcp.json in the project root.
Add this JSON and save the file:

{
  "mcpServers": {
    "ifc-mcp": {
      "command": "npx",
      "args": ["-y", "ifc-mcp"]
    }
  }
}

Reopen Claude Code in VS Code.
Type /mcp and approve the project server if Claude asks.
Check that ifc-mcp is connected.

Option 2: Use the terminal command for all projects

claude mcp add --transport stdio ifc-mcp --scope user -- npx -y ifc-mcp

Then reopen Claude Code in VS Code, type /mcp, and check that ifc-mcp is connected.

If the claude command is not found, install Claude Code first.

For more detail, see the Claude Code VS Code docs and Claude Code MCP docs.

Other MCP clients

Add this server entry to your MCP client config:

{
  "mcpServers": {
    "ifc-mcp": {
      "command": "npx",
      "args": ["-y", "ifc-mcp"]
    }
  }
}

Restart the MCP client after saving the config.

For more detail, see the Model Context Protocol docs.

Use Your Own Viewer

If your app already has an IFC viewer, you can reuse IFC MCP's normal tool interface and apply viewer actions in your app instead of opening the default local viewer. The MCP client still calls tools like show-ifc-file and set-bcf-view; your app only defines what those viewer tools do.

import { createServer } from "ifc-mcp";

const server = createServer({
  viewer: {
    "show-ifc-file": async ({ file_path }) => {
      return loadIfcIntoThisViewer(file_path);
    },

    "set-bcf-view": async ({ bcf_path }) => {
      return applyBcfToThisViewer(bcf_path);
    },

    "clear-ifc-viewer": async () => {
      return clearThisViewer();
    },
  },
});

The callback names and argument names match the MCP tool names and schemas, so there is no second naming system to learn.

Local Development

For local development from this checkout:

npm install
npm test

The workspace includes .vscode/mcp.json, so VS Code can run the server from this checkout.

Security

IFC MCP keeps the IFC work on your own machine. It reads your IFC files locally, runs the IFC analysis locally, and opens a local viewer. It does not publish the viewer to the public internet.

Generated reports, BCF files, and IFC files are temporary local download links. IFC MCP does not write generated output files into your project folder by default.

Use IFC MCP only with IFC/BIM files and project folders you trust. It can read the files you ask it to use, and incorrect or misleading model data can lead to wrong reports or generated IFC files.

from github.com/flinker-app/ifc-mcp

Установить Ifc Mcp в Claude Desktop, Claude Code, Cursor

Рекомендуется · одна команда, все IDE

unyly install ifc-mcp

Ставит в Claude Desktop, Claude Code, Cursor и VS Code — сам разбирается с npx, uvx и сборкой из исходников.

Впервые? Поставь CLI: curl -fsSL https://unyly.org/install | sh

Или настроить вручную

Выполни в терминале:

claude mcp add ifc-mcp -- npx -y ifc-mcp

FAQ

Ifc Mcp MCP бесплатный?

Да, Ifc Mcp MCP бесплатный — установка в пару кликов через Unyly без оплаты.

Нужен ли API-ключ для Ifc Mcp?

Нет, Ifc Mcp работает без API-ключей и переменных окружения.

Ifc Mcp — hosted или self-hosted?

Self-hosted: сервер запускается локально на твоей машине командой из раздела установки.

Как установить Ifc Mcp в Claude Desktop, Claude Code или Cursor?

Открой Ifc Mcp на unyly.org, выбери вкладку своего клиента (Claude Desktop, Claude Code, Cursor) и нажми Install — конфиг сгенерируется автоматически, без правки JSON.

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