Explain why two scientific papers disagree, every claim grounded in a verbatim source quote.
Connect Runs on your machine
claude mcp add studydiff -e ANTHROPIC_API_KEY=<ANTHROPIC_API_KEY> -e NCBI_EMAIL=<NCBI_EMAIL> -- npx -y [email protected]{
"mcpServers": {
"studydiff": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>",
"NCBI_EMAIL": "<NCBI_EMAIL>"
}
}
}
}{
"mcpServers": {
"studydiff": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>",
"NCBI_EMAIL": "<NCBI_EMAIL>"
}
}
}
}{
"servers": {
"studydiff": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>",
"NCBI_EMAIL": "<NCBI_EMAIL>"
}
}
}
}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 |
|---|---|
ANTHROPIC_API_KEYOptional, secret | Anthropic API key, used only by compare_studies for live papers. compare_example and list_examples run offline without it. |
NCBI_EMAILOptional | Contact email sent with PubMed/PMC E-utilities requests (NCBI asks callers to identify themselves). Optional. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 13 Jul 2026 |
| Last updated | 13 Jul 2026 |
| Registry name | io.github.nickjlamb/studydiff |
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