# set_active_scene

Set the active scene by name.

Agent View of the PolicyLayer registry record for `set_active_scene`. HTML page: https://policylayer.com/tools/sandraschi-blender-mcp/set-active-scene

## Facts

- Tool: `set_active_scene`
- Server: Blender (`sandraschi/blender-mcp`) — https://policylayer.com/tools/sandraschi-blender-mcp.md
- Homepage: https://github.com/sandraschi/blender-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "set_active_scene",
    "arguments": {}
  }
}
```

## Why set_active_scene is rated Medium

This tool modifies Blender's state by changing which scene is currently active. It's a reversible write operation (you can switch back to another scene), but misuse by an AI agent could cause confusion or unintended context switches in an ongoing 3D project.

From the tool's own definition: "Set the active scene by name"

## Use case

AI agents use set_active_scene to create or update resources in Blender, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Blender environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Blender:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_active_scene": {
      "limits": [
        {
          "counter": "set_active_scene_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on Blender (80)

- `clear_scene` — Destructive — https://policylayer.com/tools/sandraschi-blender-mcp/clear-scene.md
- `agentic_blender_workflow` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/agentic-blender-workflow.md
- `blender_animation` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/blender-animation.md
- `blender_batch` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/blender-batch.md
- `blender_geonodes` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/blender-geonodes.md
- `blender_particles` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/blender-particles.md
- `blender_physics` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/blender-physics.md
- `blender_render` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/blender-render.md
- `blender_sculpt` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/blender-sculpt.md
- `blender_transform` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/blender-transform.md
- `blender_workflow` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/blender-workflow.md
- `generate_blender_script` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/generate-blender-script.md
- `intelligent_3d_processing` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/intelligent-3d-processing.md
- `manage_blender_addons` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/manage-blender-addons.md
- `script_execute` — Execute — https://policylayer.com/tools/sandraschi-blender-mcp/script-execute.md
- `blender_addons` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-addons.md
- `blender_atlasing` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-atlasing.md
- `blender_categories` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-categories.md
- `blender_compositor` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-compositor.md
- `blender_download` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-download.md
- `blender_furniture` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-furniture.md
- `blender_grease_pencil` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-grease-pencil.md
- `blender_health_check` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-health-check.md
- `blender_help` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-help.md
- `blender_materials_baking` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-materials-baking.md
- `blender_performance_monitor` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-performance-monitor.md
- `blender_rigging` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-rigging.md
- `blender_selection` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-selection.md
- `blender_session` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-session.md
- `blender_shapekeys` — Other — https://policylayer.com/tools/sandraschi-blender-mcp/blender-shapekeys.md
- …and 50 more: https://policylayer.com/tools/sandraschi-blender-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=sandraschi-blender-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/sandraschi-blender-mcp