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PopNx MCPMCP servers for people who use AI · explained in plain words

ResearchTwin

by martinfraschversion 0.1.1i★ 1iRuns on your computer
Registry nameio.github.martinfrasch/researchtwin

How to install

What it does

Federated research discovery with S-Index metrics across a network of digital twins.

  • Connects Runs on your computer
  • Account or key No key needed
  • Category Search & AI memory

Install

Pick the AI app you use, then copy the settings.

Passed 2/3 checks · Runs on your computer · ✓ Commands checked Nov 13, 2026

First: which AI do you use?

Pick your app and the steps appear below.

Works with Claude, with some setup first

You need a ResearchTwin key (create it on the maker’s site) · Install Python (uv) on your computer first (one time) · Only the Claude desktop app (Windows or Mac), not the web or phone

  1. Install Python (uv)

    One time only; it works for every server that needs Python (uv)

    Open the Python (uv) download page ↗

  2. Sign up and create a ResearchTwin key

    Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.

    How to get a key is in the maker’s README below

  3. Open the Claude desktop app’s settings file

    SettingsDeveloperEdit Config

  4. Paste these settings and save the file

    {
      "mcpServers": {
        "researchtwin": {
          "command": "uvx",
          "args": [
            "mcp-server-researchtwin"
          ],
          "env": {
            "RESEARCHTWIN_URL": "your-value"
          }
        }
      }
    }

    Paste the key only into the app’s field, never into a chat or to anyone

  5. Quit Claude and open it again

  6. Try it

    Use ResearchTwin and tell me what you can do for me, then show me one thing

    ✓ If Claude says it is using ResearchTwin or shows a ResearchTwin tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

ChatGPT cannot connect ResearchTwin yet

ResearchTwin runs on your computer, but ChatGPT can only connect servers that run on the web

What you can do instead

A · Use an app that can connect ResearchTwin

  • You need a ResearchTwin key (create it on the maker’s site) · Install Python (uv) on your computer first (one time) · Only the Claude desktop app (Windows or Mac), not the web or phone
  • You need a ResearchTwin key (create it on the maker’s site) · Install Python (uv) on your computer first (one time)
  • You need a ResearchTwin key (create it on the maker’s site) · Install Python (uv) on your computer first (one time)
  • You need a ResearchTwin key (create it on the maker’s site) · Install Python (uv) on your computer first (one time)

B · Others in Search & AI memory that work with ChatGPT

Picked from the most used in the same category, only ones that connect by address with no key

Works with Claude Code, with some setup first

You need a ResearchTwin key (create it on the maker’s site) · Install Python (uv) on your computer first (one time)

  1. Install Python (uv)

    One time only; it works for every server that needs Python (uv)

    Open the Python (uv) download page ↗

  2. Sign up and create a ResearchTwin key

    Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.

    How to get a key is in the maker’s README below

  3. Open Terminal

    Mac: press Command+Space and type Terminal · Windows: open PowerShell

  4. Paste this command and press Enter

    claude mcp add --scope user researchtwin --env RESEARCHTWIN_URL=your-value -- uvx mcp-server-researchtwin

    Replace “your-value” with your key before pressing Enter

    Paste the key only into the app’s field, never into a chat or to anyone

  5. Type /mcp in Claude Code

    You should see ResearchTwin listed as connected

  6. Try it

    Use ResearchTwin and tell me what you can do for me, then show me one thing

    ✓ If Claude Code says it is using ResearchTwin or shows a ResearchTwin tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Cursor, with some setup first

You need a ResearchTwin key (create it on the maker’s site) · Install Python (uv) on your computer first (one time)

  1. Install Python (uv)

    One time only; it works for every server that needs Python (uv)

    Open the Python (uv) download page ↗

  2. Sign up and create a ResearchTwin key

    Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.

    How to get a key is in the maker’s README below

  3. Click this button to open Cursor

    Open in Cursor

    Cursor asks you to confirm; click Install

  4. Fill in your key

    In the ResearchTwin settings, RESEARCHTWIN_URL is empty; add your key and save

    Paste the key only into the app’s field, never into a chat or to anyone

  5. Open the AI chat in Cursor in Agent mode

  6. Try it

    Use ResearchTwin and tell me what you can do for me, then show me one thing

    ✓ If Cursor says it is using ResearchTwin or shows a ResearchTwin tool in the answer, you are connected

Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with VS Code, with some setup first

You need a ResearchTwin key (create it on the maker’s site) · Install Python (uv) on your computer first (one time)

  1. Install Python (uv)

    One time only; it works for every server that needs Python (uv)

    Open the Python (uv) download page ↗

  2. Sign up and create a ResearchTwin key

    Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.

    How to get a key is in the maker’s README below

  3. Click this button to open VS Code

    Open in VS Code

    VS Code asks you to confirm; click Install

  4. Fill in your key

    In the ResearchTwin settings, RESEARCHTWIN_URL is empty; add your key and save

    Paste the key only into the app’s field, never into a chat or to anyone

  5. Open the AI chat in VS Code in Agent mode

  6. Try it

    Use ResearchTwin and tell me what you can do for me, then show me one thing

    ✓ If VS Code says it is using ResearchTwin or shows a ResearchTwin tool in the answer, you are connected

Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.

See every app that uses MCP →

JSON settings are under “For developers” below

Stuck? Ask people who use ResearchTwin💬 Discussion →
For developers: Terminal commands and JSON settings

Installed on your computer

Claude Code

claude mcp add --scope user researchtwin --env RESEARCHTWIN_URL=your-value -- uvx mcp-server-researchtwin

Claude Desktop (claude_desktop_config.json)

{
  "mcpServers": {
    "researchtwin": {
      "command": "uvx",
      "args": [
        "mcp-server-researchtwin"
      ],
      "env": {
        "RESEARCHTWIN_URL": "your-value"
      }
    }
  }
}

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "researchtwin": {
      "command": "uvx",
      "args": [
        "mcp-server-researchtwin"
      ],
      "env": {
        "RESEARCHTWIN_URL": "your-value"
      }
    }
  }
}

VS Code (mcp.json)

{
  "servers": {
    "researchtwin": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-server-researchtwin"
      ],
      "env": {
        "RESEARCHTWIN_URL": "your-value"
      }
    }
  }
}

Values you fill in

  • RESEARCHTWIN_URL env
    Base URL for ResearchTwin API (default: https://researchtwin.net)

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

At a glance

Downloads per weeki
19/wk
Licencei
No licence stated
Connection
Runs on your computer
Latest versioni
0.1.1
Published to registryi
Feb 12, 2026
Code last changedi
Sep 15, 2026
Maker
martinfrasch
Packages
pypi: mcp-server-researchtwin
Registry status
Active

Which apps can use it

Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.

Run on your computer in

ClaudeGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatRaycast

All apps, with pros and cons →

Related guides

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 13, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account martinfrasch, which owns the repo

  • ✓ Pass

    Still maintained

    Code last changed 2 months ago

  • ! Caution

    Has a licence

    GitHub could not identify the licence type; open the file to check

  • – Not applicable

    Endpoint responds

    This one runs on your computer; there is no internet endpoint

  • – Not applicable

    Sign-in with OAuth

    Runs on your computer and uses local settings instead

  • … Not checked yet

    No hidden instructions in tool descriptions

    Runs on your computer; we can only read tool lists from internet endpoints

Discussion

Ask, share a tip or report that it does not work. Sorted by what people marked helpful.

No posts yet. Be the first to ask or share.

Posts here are written by users, not the PopNx team.

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User reviews

No reviews yet

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Compared with others in Search & AI memoryi

  • More stars than 76% of the other 6045 servers in this category
  • Published to the registry more recently than 2% of the other 6045 servers in this category
  • Basic checks equal to or better than 50% of the other 6045 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is ResearchTwin safe?

It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed 2 months ago, and the latest version (0.1.1) reached the registry 9 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Python (uv) on your computer.

What can I use instead?

In the same category: Context7, Codebase Memory, Ruflo

Others in the same category

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Context7

Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.

by upstashWidely used↓ 1.2M/wk★ 64.7KUpdated yesterday

Computer or cloud

Codebase Memory

Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.

by DeusDataWidely used↓ 16.8K/wk★ 48.6KUpdated 27 days ago

Runs on your computer

Ruflo

Agent teams, swarms, memory and hooks for Claude Code and Codex, served over MCP.

by ruvnetWidely used↓ 74.3K/wk★ 81.6K Stars for the whole repoUpdated today

Runs on your computer

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

ResearchTwin: Federated Agentic Web of Research Knowledge

ResearchTwin is an open-source, federated platform that transforms a researcher's publications, datasets, and code repositories into a conversational Digital Twin. Built on a Bimodal Glial-Neural Optimization (BGNO) architecture, it enables dual-discovery where both humans and AI agents collaborate to accelerate scientific discovery.

Live at [researchtwin.net](https://researchtwin.net) | [Join the Network](https://researchtwin.net/join.html) | [Read the Paper (arXiv)](https://arxiv.org/abs/2603.00080)


Project Vision

The exponential growth of scientific outputs has created a "discovery bottleneck." Traditional static PDFs and siloed repositories limit knowledge synthesis and reuse. ResearchTwin addresses this by:

  • Integrating multi-modal research artifacts from Semantic Scholar, Google Scholar, GitHub, and Figshare
  • Computing a real-time [S-Index](https://github.com/martinfrasch/s-index) metric (Quality × Impact × Collaboration) across all output types
  • Providing a conversational chatbot interface for interactive research exploration
  • Exposing an Inter-Agentic Discovery API with Schema.org types for machine-to-machine research discovery
  • Enabling a federated, Discord-like architecture supporting local nodes, hubs, and hosted edges

Architecture Overview

BGNO (Bimodal Glial-Neural Optimization)
Data Sources          Glial Layer          Neural Layer         Interface

┌──────────────┐ ┌─────────────┐ ┌──────────────┐ ┌────────────┐ │Semantic Scholar│───▶│ │ │ │ │ Web Chat │ │Google Scholar │───▶│ SQLite │───▶│ RAG with │───▶│ Discord │ │GitHub API │───▶│ Cache + │ │ Claude API │ │ Agent API │ │Figshare API │───▶│ Rate Limit │ │ │ │ Embed │ └──────────────┘ └─────────────┘ └──────────────┘ └────────────┘

  • Connector Layer: Pulls papers (S2+GS with deduplication), repos (GitHub), datasets (Figshare), and ORCID metadata
  • Glial Layer: SQLite caching with 24h TTL, rate limiting, S2+GS title-similarity merge (0.85 threshold)
  • Neural Layer: RAG with Claude — context assembly, prompt engineering, conversational synthesis
  • Interface Layer: D3.js knowledge graph, chat widget, Discord bot, REST API
Federated Network Tiers
TierNameDescriptionStatus
Tier 1Local NodesResearchers run python run_node.py locallyLive
Tier 2HubsLab aggregators federating multiple nodesPlanned
Tier 3Hosted EdgesCloud-hosted at researchtwin.netLive
Inter-Agentic Discovery API

Machine-readable endpoints with Schema.org @type annotations:

EndpointSchema.org TypePurpose
GET /api/researcher/{slug}/profilePersonResearcher profile with HATEOAS links
GET /api/researcher/{slug}/papersItemList of ScholarlyArticlePapers with citations
GET /api/researcher/{slug}/datasetsItemList of DatasetDatasets with QIC scores
GET /api/researcher/{slug}/reposItemList of SoftwareSourceCodeRepos with QIC scores
GET /api/discover?q=keyword&type=paperSearchResultSetCross-researcher search

Getting Started

Hosted (Tier 3) — Zero Setup
  1. Visit researchtwin.net/join.html
  2. Register with your name, email, and research identifiers
  3. Your Digital Twin is live immediately
Local Node (Tier 1) — Full Control
git clone https://github.com/martinfrasch/researchtwin.git

cd researchtwin pip install -r backend/requirements.txt cp node_config.json.example node_config.json

Edit node_config.json with your details

python run_node.py --config node_config.json

Docker Deployment
cp .env.example .env  # Add your API keys

docker-compose up -d --build

Required API keys: ANTHROPIC_API_KEY (for Claude RAG) Optional: S2_API_KEY, GITHUB_TOKEN, DISCORD_BOT_TOKEN, SMTP credentials


Repository Structure

researchtwin/

├── backend/ │ ├── main.py # FastAPI endpoints (REST + Discovery API) │ ├── researchers.py # SQLite researcher CRUD + token management │ ├── database.py # SQLite schema, WAL mode, migrations │ ├── models.py # Pydantic models for all endpoints │ ├── rag.py # RAG context assembly for Claude │ ├── qic_index.py # S-Index / QIC computation engine │ ├── email_service.py # SMTP service for profile update codes │ ├── connectors/ # Data source connectors │ │ ├── semantic_scholar.py │ │ ├── scholarly_lib.py # Google Scholar via scholarly │ │ ├── github_connector.py │ │ └── figshare.py │ └── discord_bot/ # Discord bot with /research and /sindex ├── frontend/ │ ├── index.html # Main dashboard with D3.js knowledge graph │ ├── join.html # Self-registration page │ ├── update.html # Email-verified profile updates │ ├── privacy.html # Privacy policy │ └── widget-loader.js # Embeddable chat widget ├── run_node.py # Tier 1 local node launcher ├── node_config.json.example # Local node configuration template ├── docker-compose.yml # Docker orchestration ├── nginx/ # Nginx reverse proxy + SSL └── whitepaper.tex # LaTeX manuscript


Ecosystem

This repository is part of the [ResearchTwin Ecosystem](https://github.com/users/martinfrasch/projects/8) project:

RepositoryDescription
[researchtwin](https://github.com/martinfrasch/researchtwin)Federated platform (this repo)
[s-index](https://github.com/martinfrasch/s-index)S-Index formal specification and reference implementation

Embeddable S-Index Widget

Show your S-Index on your lab website, Google Sites page, or personal homepage:

<iframe

src="https://researchtwin.net/embed.html?slug=YOUR-SLUG" width="440" height="180" style="border:none; border-radius:12px;" loading="lazy">

Replace YOUR-SLUG with your researcher slug (e.g. martin-frasch).

Google Sites: Edit page > Insert > Embed > "By URL" tab > paste https://researchtwin.net/embed.html?slug=YOUR-SLUG

WordPress: Add a Custom HTML block and paste the iframe code.

The widget displays the researcher's name, S-Index score, h-index, citation count, and paper count. Data updates automatically from live API sources.

See it in action | Full embed instructions


Documentation

DocumentDescription
API ReferenceFull REST API documentation with schemas and examples
Self-Hosting GuideTier 1 Local Node setup and configuration
Hub Federation GuideTier 2 Hub architecture and setup (planned)
Security PolicyVulnerability reporting and security best practices

Contributing

Contributions welcome! See the project board for tracked issues.

  • New connectors (ORCID enrichment, PubMed, OpenAlex)
  • Affiliation-based geographic mapping
  • MCP server for inter-agentic discovery
  • UI/UX improvements
  • Bug fixes and optimizations

License

MIT License. See LICENSE.


Contact


*Empowering researchers and AI agents to discover, collaborate, and innovate together.*