Phase 2/3 clinical trial design via gsDesign / gsDesign2: sample size, GS boundaries, multiplicity
Connect Runs on your machine
claude mcp add clinical-trial-design -e DESIGNR_RSCRIPT=<DESIGNR_RSCRIPT> -e DESIGNR_LAUNCHER=<DESIGNR_LAUNCHER> -- npx -y [email protected]{
"mcpServers": {
"clinical-trial-design": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"DESIGNR_RSCRIPT": "<DESIGNR_RSCRIPT>",
"DESIGNR_LAUNCHER": "<DESIGNR_LAUNCHER>"
}
}
}
}{
"mcpServers": {
"clinical-trial-design": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"DESIGNR_RSCRIPT": "<DESIGNR_RSCRIPT>",
"DESIGNR_LAUNCHER": "<DESIGNR_LAUNCHER>"
}
}
}
}{
"servers": {
"clinical-trial-design": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"DESIGNR_RSCRIPT": "<DESIGNR_RSCRIPT>",
"DESIGNR_LAUNCHER": "<DESIGNR_LAUNCHER>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
DESIGNR_RSCRIPTOptional | Optional override for the Rscript binary path. Defaults to whatever 'Rscript' resolves to on the system PATH. Set this if R isn't on PATH or you need a specific R version. |
DESIGNR_LAUNCHEROptional | Optional override for the R launcher path (the inst/launcher.R that sources the R sources and dispatches the JSON). Defaults to the bundled launcher. Set this only if you need to use a non-bundled R source tree. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 29 Apr 2026 |
| Last updated | 29 Apr 2026 |
| Registry name | io.github.wei-ai-lab/clinical-trial-design |
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