diff --git a/README.md b/README.md
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@@ -386,6 +386,7 @@ Third-party plugins built by the community. [PRs welcome](#contributing)!
 - [Data Product Builder for dbt](https://github.com/entropy-data/dataproduct-builder-dbt) - Full data-product lifecycle on dbt for Entropy Data: scaffold, audit, and integrate projects with ODCS, ODPS, OpenLineage, and GitHub Actions.
 - [deed.page](https://github.com/f-o-x11/deed-page-skill) - Publish an HTML file or static folder from Codex to a permanent `https://{slug}.deed.page/` URL through the bundled deed.page skill and remote MCP server, with no account.
 - [deja](https://github.com/vshulcz/deja-vu) - Search the coding sessions already on your disk — Codex, Claude Code, Cursor, opencode and nineteen more — including work from before it was installed, indexed locally with no model in the loop.
+- [DESIGN:OS 3D Blender](https://github.com/jangtrinh/design-os-3d-blender) - Free skills and MCP server that let Codex model, render and verify mechanical parts natively in Blender 5.2 LTS (source-available, PolyForm Shield).
 - [dex](https://github.com/exmergo/dex) - Agent skills for warehouse exploration, dbt transformation and semantic modeling, and schema-drift maintenance.
 - [Digital Marketing Pro](https://github.com/indranilbanerjee/digital-marketing-pro) - Open-source AI marketing plugin for agencies — 154 skills, 25 specialist agents, 12-Part Strategy Flow, AEO/GEO, GSC AI Performance Report, Google Ads API v24, EU AI Act Article 50 / C2PA compliance.
 - [Dodo Payments](https://github.com/dodopayments/dodo-agent-plugin) - Payments integration for checkouts, subscriptions, and billing with live API and documentation MCP servers with browser OAuth.