Corroborum

npx add-mcp 'https://mcp.corroborum.com/mcp'

Real papers for your AI assistant.

Ask Claude, ChatGPT or Copilot a research question. It searches 220M+ papers from every field, shows you the abstracts and sources, and flags retracted work.

Get started free

25 free searches a month. No card required.

• Efficacy and Safety of Intermittent Fasting in People With Insulin-Treated Type 2 Diabetes (INTERFAST-2)—A Randomized Controlled TrialAnna Maria Obermayer et al. · 2022 · cited by 107OBJECTIVE: To investigate the safety and feasibility of 3 nonconsecutive days of intermittent fasting (IF) per week over 12 weeks in participants with insulin-treated type 2 diabetes.No retraction reported
• Effect of Intermittent Fasting on Glycaemic Control in Patients With Type 2 Diabetes Mellitus: A Systematic Review and Meta-analysis of Randomized Controlled TrialsSuresh K. Sharma et al. · 2023 · cited by 31Background: Type 2 diabetes mellitus (T2DM) is a severe public health issue notably impacting human life and health expenditure.No retraction reported

Real results from Corroborum, trimmed: each one carries its full abstract. Your assistant reads them and writes the answer.

• Real recordsEvery paper is a catalogue record you can open and check.
• Retraction flagsOn every result, from OpenAlex’s retraction data.
• About four secondsFor a typical search, measured on our server.
• Queries not storedWe keep usage counts, not what you searched.

Your assistant does the searching. You check the sources.

1. 01 You ask your assistant a research question, as you already do.
2. 02 It searches Corroborum when the question needs the literature.
3. 03 You get real papers with abstracts and links, then read, check and cite.

Corroborum is a connector: an add-on your assistant can use, like a plug-in. No code needed.

Search, citations and retraction checks.

Find randomised trials on intermittent fasting and HbA1c

Claude

Searching Corroborum…

search_papers

• Efficacy and Safety of Intermittent Fasting in People With Insulin-Treated Type 2 Diabetes (INTERFAST-2)—A Randomized Controlled Trial2022 · 107 cited by
• Effect of Intermittent Fasting on Glycaemic Control in Patients With Type 2 Diabetes Mellitus: A Systematic Review and Meta-analysis of Randomized Controlled Trials2023 · 31 cited by
• Metabolic Impact of Intermittent Fasting in Patients With Type 2 Diabetes Mellitus: A Systematic Review and Meta-analysis of Interventional Studies2020 · 101 cited by

Search

Ranked results from every field, each with its full abstract and a link to a free copy when one exists. A search typically takes about four seconds.

expand_citations · cited_by

Efficacy and Safety of Intermittent Fasting in People With Insulin-Treated Type 2 Diabetes (INTERFAST-2)—A Randomized Controlled Trial2022

• Advances in the management of type 2 diabetes in adults2023
• A 5:2 Intermittent Fasting Meal Replacement Diet and Glycemic Control for Adults With Diabetes2024
• Intermittent fasting strategies and their effects on body weight and other cardiometabolic risk factors…2025

Citations

Start from one key paper and follow its references and the papers that cite it: the snowballing you would do by hand, live from OpenAlex.

search_papers · integrity

• Efficacy and Safety of Intermittent Fasting in People With Insulin-Treated Type 2 Diabetes (INTERFAST-2)—A Randomized Controlled TrialNo retraction reported
• Ileal-lymphoid-nodular hyperplasia, non-specific colitis, and pervasive developmental disorder in childrenRetractedSource: OpenAlexThe Lancet · 1998

Retractions

Each result is checked against OpenAlex’s retraction data. Retracted papers are flagged, not hidden, so your assistant can warn you before you cite one.

For anyone who reads papers with an AI assistant.

• PhD students and postdocs

  “Find recent reviews on sleep and memory consolidation for my thesis chapter.”

• Clinicians

  “Randomised trials on intermittent fasting and HbA1c.”

• Researchers

  “What has cited this paper, and what does it build on?”

• Analysts and consultants

  “Do share buybacks create long-term value, or mostly lift EPS in the short term?”

Connect it in three steps.

1. 01

   Create an account

   Sign up with Google, GitHub or email. The free plan needs no card.
2. 02

   Add the connector

   In Claude, add Corroborum from the connector directory. In ChatGPT, Copilot and other assistants, paste one URL into the connector settings.
3. 03

   Ask your assistant

   It calls Corroborum when a question needs the literature.

Add Corroborum to Claude

ChatGPT, Copilot and other assistants: server URL

https://mcp.corroborum.com/mcp

Step-by-step guide for Claude, ChatGPT and Copilot

We don’t store your query text.

To answer a search, the query is sent to OpenAlex (the catalogue) and Voyage AI (a ranking service). We keep per-day usage counts for your allowance, never the words you searched, and we never see your AI conversations.

Read the privacy policy

Start free. Upgrade when you search more.

Free

$0/ month

Free forever

25 searches a month

Try it in your AI assistant with a monthly allowance.

Pro

Recommended

$15/ month

Billed monthly

1,000 searches a month

For researchers who search every week.

Get Pro

Max

$49/ month

Billed monthly

5,000 searches a month

For reviews and heavy literature work.