diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index ff535d1..2e53937 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -4,7 +4,7 @@
     "name": "quadbio"
   },
   "metadata": {
-    "description": "Claude Code plugins from quadbio: single-cell and spatial genomics analysis, and working on ETH Zurich's Euler cluster."
+    "description": "Claude Code plugins from quadbio: single-cell and spatial genomics analysis, research code and task handover, and working on ETH Zurich's Euler cluster."
   },
   "plugins": [
     {
@@ -33,6 +33,14 @@
         "ref": "v0.2.1"
       }
     },
+    {
+      "name": "research-agent-skills",
+      "description": "How agents write research code, run and hand over research tasks, and set up a project so Claude Code and Codex read the same instructions.",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/quadbio/research-agent-skills.git"
+      }
+    },
     {
       "name": "sci-figures",
       "description": "Nature-style research figures and their legends: outline, layout and visual conventions, export to editable PDFs, legend writing and independent reviews.",
diff --git a/README.md b/README.md
index fd47901..4d205a8 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@ A [Claude Code plugin marketplace](https://code.claude.com/docs/en/plugins/insta
 | [analysis-workflow](https://github.com/quadbio/analysis-workflow) | Conventions, guard hooks and a small package for analysis repos where humans (notebooks) and coding agents (scripts) work side by side. |
 | [cell-type-annotation](https://github.com/quadbio/cell-type-annotation) | Evidence-driven cell-type annotation of pre-clustered single-cell and spatial data. |
 | [euler-hpc](https://github.com/quadbio/euler-hpc) | Run coding agents on ETH Zurich's Euler cluster: node, allocation, storage rules and your setup at session start; a skill for Slurm jobs, software and data; jobs listed by session. |
+| [research-agent-skills](https://github.com/quadbio/research-agent-skills) | How agents write research code, run and hand over research tasks, and set up a project so Claude Code and Codex read the same instructions. |
 | [sci-figures](https://github.com/quadbio/sci-figures) | Nature-style research figures and their legends, with a small matplotlib package for style, layout and export. |
 
 Install once per machine; each plugin's README says how to use it.