Studydiff MCP Server

Understand why two scientific studies reach different conclusions - with every claim verified against the source. It runs locally over stdio via the published package.

People who work with bioinformatics, clinical research and evidence based medicine and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in JavaScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-29 · ★ 2 · #454 OF 998 MAINTAINED OTHER · VERIFIED 2026-09-30

MIT · JavaScript servers · how we verify → /methodology

01 · Install Studydiff

before you install - you'll need

Set ANTHROPIC_API_KEY before connecting.

Claude Code

claude mcp add nickjlamb-studydiff -- npx -y studydiff-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "nickjlamb-studydiff": {
      "command": "npx",
      "args": [
        "-y",
        "studydiff-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package studydiff-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.nickjlamb is GitHub-verified and matches the repo owner

03 · What Studydiff can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.2.0 · 2026-07-13

Added · MCP server - the contradiction engine is now a Model Context Protocol server (src/mcp.mjs), so Claude or any agent can call it as a tool: compare_studies, compare_example, list_examples. Published to npm as…

v0.1.1 · 2026-07-12

Verbatim supporting sentences now shown on screen rather than in a hover tooltip. Determinism claim scoped correctly: grounding, comparison and driver ranking are deterministic; extraction is an LLM call. New hero…

v0.1.0 · 2026-07-08

First public release. See CHANGELOG.md.

04 · Who maintains Studydiff

studydiff is maintained by nickjlamb. We track 5 MCP servers from nickjlamb - 5 actively maintained, 29 combined GitHub stars, oldest repo from Feb 2026. Full record: all servers from nickjlamb.

05 · Facts

repository: github.com/nickjlamb/studydiff
category: other - ranked #454 of 998 actively-maintained other servers as of 2026-09-30.
release cadence: 3 releases in the last 90 days (latest 2026-07-13)
registry: io.github.nickjlamb/studydiff (active, first published 2026-07-13 · 2 versions)
packages: npm:studydiff-mcp

06 · Studydiff FAQ

What is Studydiff?

Understand why two scientific studies reach different conclusions - with every claim verified against the source. It runs locally over stdio via the published package.

Is Studydiff still maintained?

Yes - as of 2026-09-30, its last commit was 2026-09-29 and it shipped 3 releases in the last 90 days. We re-verify nightly.

How do I install Studydiff?

Run `npx -y studydiff-mcp`. The README documents one environment variable (ANTHROPIC_API_KEY) to set first. Set ANTHROPIC_API_KEY before connecting. You can also paste the ready-made client config above.

Does Studydiff run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Studydiff

Alternatives to Studydiff

Maintained other servers if Studydiff isn't the fit.

More MCP servers to compare · Swissgroceries MCP · Opentargets · Agentic Ads · Abapilot · Odoo MCP

More JavaScript MCP servers · Sshmcp · Power Automate MCP Server by Flow Studio · 3D AR Studio · Onchain Agent Wallets · see all