Search and retrieve bioRxiv and medRxiv preprints — by DOI, date interval, or keyword — via MCP. STDIO or Streamable HTTP.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add biorxiv-server-cyanheads --env BIORXIV_MAILTO='<BIORXIV_MAILTO>' -- npx -y @cyanheads/biorxiv-mcp-server~/.codex/config.toml
[mcp_servers.biorxiv-server-cyanheads]
command = "npx"
args = ["-y", "@cyanheads/biorxiv-mcp-server"]
env = { BIORXIV_MAILTO = "<BIORXIV_MAILTO>" }
# codex mcp add biorxiv-server-cyanheads --env BIORXIV_MAILTO='<BIORXIV_MAILTO>' -- npx -y @cyanheads/biorxiv-mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"biorxiv-server-cyanheads": {
"command": "npx",
"args": [
"-y",
"@cyanheads/biorxiv-mcp-server"
],
"env": {
"BIORXIV_MAILTO": "<BIORXIV_MAILTO>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"biorxiv-server-cyanheads": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@cyanheads/biorxiv-mcp-server"
],
"env": {
"BIORXIV_MAILTO": "<BIORXIV_MAILTO>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"biorxiv-server-cyanheads": {
"command": "npx",
"args": [
"-y",
"@cyanheads/biorxiv-mcp-server"
],
"env": {
"BIORXIV_MAILTO": "<BIORXIV_MAILTO>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"biorxiv-server-cyanheads": {
"command": "npx",
"args": [
"-y",
"@cyanheads/biorxiv-mcp-server"
],
"env": {
"BIORXIV_MAILTO": "<BIORXIV_MAILTO>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"biorxiv-server-cyanheads": {
"command": "npx",
"args": [
"-y",
"@cyanheads/biorxiv-mcp-server"
],
"env": {
"BIORXIV_MAILTO": "<BIORXIV_MAILTO>"
}
}
}
}Remote
claude mcp add --transport http biorxiv-server-cyanheads https://biorxiv.caseyjhand.com/mcp~/.codex/config.toml
[mcp_servers.biorxiv-server-cyanheads]
url = "https://biorxiv.caseyjhand.com/mcp"
# codex mcp add biorxiv-server-cyanheads --url https://biorxiv.caseyjhand.com/mcp~/.cursor/mcp.json
{
"mcpServers": {
"biorxiv-server-cyanheads": {
"url": "https://biorxiv.caseyjhand.com/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"biorxiv-server-cyanheads": {
"type": "http",
"url": "https://biorxiv.caseyjhand.com/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"biorxiv-server-cyanheads": {
"httpUrl": "https://biorxiv.caseyjhand.com/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"biorxiv-server-cyanheads": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://biorxiv.caseyjhand.com/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"biorxiv-server-cyanheads": {
"url": "https://biorxiv.caseyjhand.com/mcp"
}
}
}Environment variables
BIORXIV_MAILTO
Replace the placeholders with your own credentials and keep them out of version control.