Blender 3.3–5.2: legacy add-on for 3.3–4.1, extension for 4.2–5.2. Existing project tests cover sample builds 3.3.21, 4.3.2, and 5.2.0, not every intervening release or workflow. Newer Blender features remain version-dependent.

Most Windows users need only Blender-MCP-Secure-3.1.0-Setup.zip. Extract everything, save and close Blender, then run INSTALL.cmd and confirm the required download. The package includes the manual installation files and documentation. The separate Blender extension ZIP is an optional manual-install route, not an extra step for guided setup.

No. Windows adapters configure detected Codex, Claude Code, and Claude Desktop installations. Other local stdio MCP clients can use the generated command/configuration. Their settings schemas and MCP availability may differ; not every client version is certified.

By default, %LOCALAPPDATA%\BlenderMCP\3.1.0\client-configs\mcpServers.json. The installer prints its exact location. A custom InstallRoot changes it. Import or merge it into your client's local MCP settings without replacing unrelated servers, then restart the client.

In Blender press N in the 3D Viewport, select Blender MCP, and confirm Bridge online. Restart your client and ask: Inspect the current Blender scene. Do not modify it. Compare the returned object names with the Outliner. Select the intended PID if multiple Blender instances are open.

It is designed to preserve unrelated configuration and back up existing user preferences and relevant client settings. Save work and close Blender before installing. It never terminates Blender. Keep the printed backup path; if setup fails, inspect the logs and backups instead of resetting your entire profile.

Blender 4.2+ gates extension networking behind its global Online Access setting. The bridge still binds only to 127.0.0.1. Blender 3.3–4.1 does not have this global switch. Do not expose the bridge publicly to fix connection problems.

No. Expert Python grants Blender's full file, process, and network authority and requires explicit opt-in. The Expert launcher also enables administration and third-party operators. Use Normal mode for your first test and enable only the access you intend to authorize. Expert setup is under Advanced/INSTALL-EXPERT.cmd; the main INSTALL.cmd uses Normal mode by default.

Yes: material, Geometry Nodes, world, and compositor graph tools work with nodes, links, writable properties, sockets, ramps, and interfaces. Node availability and required context depend on Blender's version. Inspect the live graph before applying changes and verify the resulting geometry or render.

No. It provides supported mesh and UV operations, sculpt/retopology entry points, weights, rigging, drivers, constraints, and curves. Artist judgment, brush interaction, topology quality, deformation review, and some modal/editor workflows still need human attention.

It can inspect and invoke many registered operators when the separate permission gate is enabled. Add-on context, modal UI, activation, licenses, and logins can require manual interaction. Compatibility with every third-party add-on is not promised.

No. Viewport/window captures require an interactive Blender UI and suitable context. Background Blender cannot provide a real viewport screenshot. Feedback sessions are bounded captures, not continuous video. Verify image freshness and stop sessions when finished.

No. Atomic rollback is limited to eligible in-memory structured operations in interactive Blender with Global Undo. File writes, renders, bakes, caches, preferences, add-on administration, jobs, third-party operators, and raw Python are excluded. Keep scene and file backups.

The bridge is local and includes no telemetry service. However, your MCP/AI client may send scene data, tool results, or screenshots to its provider. Review the client's policies. Session authentication does not defend against malicious software already running as your OS user.

Software is GPL-3.0-or-later. Individual and Business / Studio receive identical files and features; the categories do not limit GPL rights or add seat restrictions or priority support. See the actual listing for its selected support terms; lifetime updates are not promised.

No. The supplied installer is for Windows x64. macOS/Linux require manual Blender and Python companion setup and have not been verified in this Windows publishing preparation. Windows dependency wheels are not portable to those platforms.

Use Superhive order messaging or https://discord.gg/SuSqbZMDk5. Include product and Blender versions, OS, client, access mode, a minimal reproduction, and sanitized error text. Never post session tokens, credentials, full private configurations, or confidential scenes publicly.

Yes. This package does not bundle third-party dependency wheels or native binaries. After your consent, setup downloads exact, checksum-verified Python libraries from files.pythonhosted.org into a new private environment. Some downloaded libraries include native DLL/PYD/EXE files and run with your user permissions. They are not installed into Blender's Python or profile. If download or verification fails, Blender and client settings have not yet been changed. See the dependency inventory and third-party notices; do not bypass verification.