QuanZ827

QuanZ827 / zexus

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In-process Revit AI agent with dynamic C# code execution, multi-provider LLM support, and a guardrail system for safe BIM automation.

ai-agent autodesk bim dotnet llm
17
0
100% credibility
Found May 02, 2026 at 13 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
C#
AI Summary

Zexus is a Revit add-in that enables users to interact with and modify Revit models through natural language conversations with an AI agent using providers like Anthropic Claude, OpenAI GPT, or Google Gemini.

How It Works

1
🔍 Discover Zexus

You hear about Zexus, a helpful chat buddy that lets you talk to your Revit model in everyday words to make changes effortlessly.

2
📥 Get and install

Download the simple setup file from the release page and run it—no admin needed, it just adds a new tab to Revit.

3
🚀 Launch in Revit

Open Revit, find the Zexus tab on the ribbon, and click the chat button to start your conversation.

4
🔑 Connect your AI helper

On first use, pick your favorite AI thinker like Claude or GPT, paste a private access code, and you're ready to chat.

5
💬 Describe what you need

Type plain English like 'hide all walls on level 1' or 'create a door schedule', and watch the AI plan it out.

6
Review and approve
👀
Just look

For read-only peeks like 'list all rooms', it happens right away with no questions.

👍
Make changes

Approve the plan, and your model gets exactly the updates you asked for.

🎉 Perfect results

Your Revit project is now exactly how you envisioned, all from simple chat—no coding required.

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AI-Generated Review

What is zexus?

Zexus is a C# Revit add-in that runs an AI agent directly as a background process in Revit, letting you automate BIM tasks via natural language. Tell it to inspect models, create schedules, or modify elements, and it generates, compiles, and executes dynamic C# code against the live Revit API—no external servers or predefined tools needed. It supports multiple LLMs like Anthropic Claude, OpenAI GPT, and Google Gemini, with built-in guardrails requiring confirmation for writes.

Why is it gaining traction?

Unlike scripted plugins or cloud-based tools, Zexus handles any Revit API operation on-the-fly without authoring tools or managing deployments, making BIM automation feel like chatting with a coding expert. The per-user MSI install is dead simple, and features like selection polling, model analysis, and session resume keep workflows smooth even after interruptions. Developers dig the pure code-execution approach for unrestricted flexibility in agent-driven automation.

Who should use this?

Revit modelers and BIM coordinators tired of manual parameter tweaks, schedule builds, or element searches. Architects automating room tagging across levels, MEP engineers querying ducts or conduits, or anyone in multi-discipline projects needing quick inspections without pyRevit scripts. Ideal for teams evaluating AI for safe, in-process Revit code execution.

Verdict

At 11 stars and 1.0% credibility, Zexus is early-stage with solid docs and Apache license, but lacks tests and broad adoption—test in non-critical models first. Worth a spin for C# Revit pros chasing agent automation; follow the GitHub release process for updates.

(198 words)

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