Queue a Lumion-style architectural visualization still render with landscaping, people, vehicles, and atmospheric effects. Returns a render_id and preview_url; the render pipeline is a ScanBIM roadmap item so today this tool responds synchronously with a stub job descriptor. When to use: you want...
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AI agents use lumion_render to create or modify resources in ScanBIM MCP. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call lumion_render repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach ScanBIM MCP.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"lumion_render": {
"limits": [
{
"counter": "lumion_render_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full ScanBIM MCP policy for all 19 tools.
These attack patterns abuse exactly the kind of access lumion_render gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Queue a Lumion-style architectural visualization still render with landscaping, people, vehicles, and atmospheric effects. Returns a render_id and preview_url; the render pipeline is a ScanBIM roadmap item so today this tool responds synchronously with a stub job descriptor. When to use: you want a more 'Lumion-flavored' render (lush entourage, vehicles, people) vs. Twinmotion's cleaner look. When NOT to use: you need real-time viewing — use get_viewer_link. You need video — use twinmotion_walkthrough. APS scopes: none today (render pipeline is ScanBIM-internal); viewables:read data:read will apply when live. Rate limits: APS default ~50 req/min per app per endpoint; Model Derivative translation jobs ~60 req/min; OSS uploads size-limited per file to 100MB for direct upload, larger via resumable. Errors: 401 APS token expired/invalid — refresh (will apply when pipeline is live); 403 scope or resource permission denied; 404 URN not found — check the ID; 429 rate limited — backoff and retry; 5xx APS upstream outage — retry with jitter. Side effects: NON-IDEMPOTENT. Each call mints a new render_id (lum_<epoch_ms>). Inserts a row into D1 usage_log.. It is categorised as a Write tool in the ScanBIM MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the ScanBIM MCP server in PolicyLayer and add a rule for lumion_render: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches ScanBIM MCP. Nothing to install.
lumion_render is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the lumion_render rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for lumion_render. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
lumion_render is provided by the ScanBIM MCP server (https://scanbim-mcp.itmartin24.workers.dev/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 19 ScanBIM MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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