AEC Model Bridge MCP Setup & Guide
io.github.Sam-AEC/aec-model-bridge · v1.4.0
Revit MCP server: 200+ tools to read and edit BIM models, every change human-approved.
Copy the install config on this page first, then verify docs and permissions upstream.
Overview
Revit MCP server: 200+ tools to read and edit BIM models, every change human-approved. AEC Model Bridge is a MCP Server listed from MCP Registry. Transports: stdio. This page includes an overview, setup tutorial, install commands, and use cases for Trae, Tongyi Lingma, Cursor, Claude Code, and VS Code.
Use cases
AgentHub Verified AvailabilityTested & Ready
Automated pipeline validated install commands, protocol & client compatibility
Troubleshooting & Common ErrorsFAQ
Common connection errors and verified fixes for AEC Model Bridge
Getting 'connection closed' or exit code 1 in Cursor / Claude Code for AEC Model Bridge?
Usually caused by missing runtime paths or IDE environment inheritance. Fix steps: 1. Verify Node.js 18+ (npx) or Python 3.10+ (uvx) is installed; 2. Run 'which npx' or 'which uvx' in terminal, and replace 'command' with absolute path; 3. Reload or restart the client window after modifying config.
# Check binary path in terminal: which npx node -v
Getting 'spawn npx ENOENT' or 'command not found'?
The editor background process does not inherit your full terminal PATH. Solution: Globally install the package, or set the absolute binary path (e.g. C:\Program Files\nodejs\npx.cmd on Windows, or /usr/local/bin/npx on macOS).
Missing required environment variable or authentication failure?
AEC Model Bridge requires environment variables (MCP_REVIT_WORKSPACE_DIR、MCP_REVIT_ALLOWED_DIRECTORIES、MCP_REVIT_MODE、MCP_REVIT_BRIDGE_URL、MCP_REVIT_AUDIT_LOG、MCP_REVIT_LOG_LEVEL、MCP_REVIT_APPROVAL_MODE、MCP_REVIT_ENABLE_USER_MODULES、MCP_REVIT_ALLOW_PYTHON_HOST、MCP_REVIT_ANTHROPIC_API_KEY). Ensure you have added valid keys under the 'env' object in your config file without trailing whitespace.
// .cursor/mcp.json 或 claude_desktop_config.json
{
"env": {
"API_KEY": "your_actual_key_here"
}
}Tool Mock Playground
SandboxAEC Model Bridge Tool Interface Simulation · Preview tool schema & outputs without local runtime
{
"target": "AEC Model Bridge",
"action": "execute",
"options": {
"mode": "standard",
"timeoutMs": 5000
}
}Click 'Run Mock' above
to preview the raw response returned to the LLM
Decision Guide: Why & When to Use
Assess suitability before installing to save trial-and-error time
- PR review
- Changelog generation
- Cross-repo issue search
- Replacing human security audit
- Unauthorized repo access
AEC Model Bridge + Scenario Prompt → Complete Agent Automation
MCP hands-on: install to visible results
Follow the full lab (expected UI/output + contrast checks). After installing this item, verify with the tutorial prompts.
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Keep exploring AgentHub
Most people compare similar tools or check scenario guides before installing—start here.
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Unified Manifest
{
"id": "io.github.Sam-AEC/aec-model-bridge",
"type": "mcp-server",
"version": "1.4.0",
"displayName": "AEC Model Bridge",
"description": "Revit MCP server: 200+ tools to read and edit BIM models, every change human-approved.",
"repository": {
"url": "https://github.com/Sam-AEC/aec-model-bridge",
"source": "github",
"subfolder": "packages/mcp-server-revit"
},
"homepage": "https://github.com/Sam-AEC/aec-model-bridge",
"distribution": {
"packages": [
{
"registryType": "mcpb",
"identifier": "https://github.com/Sam-AEC/aec-model-bridge/releases/download/v1.4.0/aec-model-bridge-1.4.0.mcpb",
"version": "1.4.0",
"transport": "stdio",
"environmentVariables": [
{
"name": "MCP_REVIT_WORKSPACE_DIR",
"description": "Workspace root directory for server file operations."
},
{
"name": "MCP_REVIT_ALLOWED_DIRECTORIES",
"description": "Semicolon-delimited allow-list of directories the server can access."
},
{
"name": "MCP_REVIT_MODE",
"description": "Server mode: mock or bridge."
},
{
"name": "MCP_REVIT_BRIDGE_URL",
"description": "Bridge URL, for example http://127.0.0.1:3000 (required when MCP_REVIT_MODE=bridge)."
},
{
"name": "MCP_REVIT_AUDIT_LOG",
"description": "Path to the audit log file."
},
{
"name": "MCP_REVIT_LOG_LEVEL",
"description": "Python log level, for example INFO or DEBUG."
},
{
"name": "MCP_REVIT_APPROVAL_MODE",
"description": "Approval gate for write tools. \"required\" (default) blocks every model change until a human approves a plan; do not relax this unless you understand the risk."
},
{
"name": "MCP_REVIT_ENABLE_USER_MODULES",
"description": "Set to true to load user-written modules from the workspace. Off by default."
},
{
"name": "MCP_REVIT_ALLOW_PYTHON_HOST",
"description": "Set to true to allow module commands that declare the python.host permission to run. Off by default."
},
{
"name": "MCP_REVIT_ANTHROPIC_API_KEY",
"description": "Optional Anthropic API key, used only by the built-in agent chat in the Revit panel. Not needed for MCP use.",
"isSecret": true
}
]
}
],
"remotes": []
},
"dependencies": [],
"installTargets": [
"claude-code",
"claude-desktop",
"cursor",
"vscode",
"trae",
"cherry-studio",
"lingma",
"windsurf",
"cline",
"workbuddy"
],
"keywords": [],
"provenance": {
"origin": "official-mcp-registry",
"originalId": "io.github.Sam-AEC/aec-model-bridge",
"originalUrl": "https://registry.modelcontextprotocol.io/v0.1/servers/io.github.Sam-AEC%2Faec-model-bridge/versions/latest",
"isOfficial": true,
"status": "active"
}
}