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v1.2.0 — Streamable HTTP transport

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@DaRealDaHoodie DaRealDaHoodie released this 14 Mar 00:21
· 90 commits to main since this release
v1.2.0
5012ea7

What's new

Streamable HTTP transport (replaces SSE)

The server now uses the MCP Streamable HTTP transport (POST /mcp) instead of the older SSE transport (GET /sse + POST /messages/). Streamable HTTP is the current spec direction and is supported by all major MCP clients (Claude Desktop, Cursor, Continue, etc.).

Update your client config endpoint from:

http://127.0.0.1:8400/sse

to:

http://127.0.0.1:8400/mcp

Compatibility fixes

  • Detects the correct transport method across mcp package versions (streamable_http_app → http_app → sse_app fallback chain)
  • outputSchema is still stripped from tools/list responses for clients that don't implement the 2025-06-18 spec

Install

  1. Download universal_blender_mcp_v1.2.0.zip
  2. In Blender: Edit > Preferences > Add-ons > Install... → select the zip → enable the addon
  3. Open the Universal Blender MCP panel (N-panel) and click Start MCP Server
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