Claude Clinical Trials connectorWhat Claude can do in your Clinical Trials account.
The Claude Clinical Trials connector exposes 6 tools: 6 read, 0 write, 0 left undescribed. They search ClinicalTrials.gov, the public registry run by the US National Library of Medicine, so there is no private account behind them, only public study records.
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What changes when Claude can query the trial registry
Instead of building filters on the registry website, you describe what you need in plain English: a disease, a drug, a city, a sponsor, a patient profile. Claude picks the right search, pulls the matching studies and opens the protocol of the ones that matter, then writes the answer around them. Anthropic built and publishes this connector itself.
Screen a patient against recruiting studies. A research coordinator lists age, sex and a few eligibility keywords such as a biomarker; search_by_eligibility returns the studies whose inclusion and exclusion text matches, and get_trial_details opens the full criteria of each one.
Map a competitor's pipeline. A business analyst names a drug maker; search_by_sponsor gathers its funded trials with phase and condition filters.
Benchmark endpoints before writing a protocol. A protocol writer asks which outcome measures recur in a therapeutic area; analyze_endpoints compares them across studies, and search_investigators then points to the sites already active in that field.
What it will not do: it does not record anything in the registry, it does not contact a site or a sponsor, and nothing runs on its own when a new study is posted. Claude only searches while it answers you. If you want a weekly alert on new trials, that is a job for an automation tool, not for a connector. The Integrations hub lists the platforms we document.
Five words before you connect
The vocabulary Claude uses around this connector, in one minute.
- Connector
- The link you set up once between Claude and a service, so Claude can work with it while it answers you.
- Tool
- One named thing a connector lets Claude do. Claude picks the ones it needs by itself; the directory sheet lists them by name.
- Authorization
- The sign-in screen of the service, where you grant Claude the access it uses afterwards. Given once per person, and revocable.
- Approval
- The confirmation Claude waits for before it changes something in an account, shown right in the conversation when it matters.
- MCP
- The shared standard connectors are built on: it is what lets an assistant such as Claude talk to an outside service.
Connect Clinical Trials to Claude in three steps
- 01
Find the connector in your settings
Open Claude's settings, go to Customize, then Connectors, and look for Clinical Trials in the list. On a Team or Enterprise workspace, an Owner or Primary Owner has to enable it for the organization before members can connect individually.
- 02
Start the connection
Click Connect on its row and follow the window that opens. If the link breaks later, use Disconnect and connect again: that is usually all it takes to repair it.
- 03
Read the authorization screen
Check what the authorization screen says before you accept. It belongs to the service, not to Claude, and it is what defines the scope of the access. You can withdraw that access later in the same place.
The 6 tools, grouped by what they do
Clinical Trials gives Claude 6 tools: 6 that read your account, 0 that change something in it.
One group only: all six search or read public study records. Anthropic's tutorial describes each of them, and the names stay exactly as Claude shows them.
- 6 read
What Claude reads (6)
6 toolsSix tools that search the registry and read study records without changing anything.
get_trial_details
Opens one study from its NCT identifier and returns the complete protocol: inclusion and exclusion criteria, design, primary and secondary endpoints with their timeframes, every site with contacts, sponsor, enrollment target and a link to posted results.
search_by_eligibility
Matches a patient profile against study criteria: age, sex and keywords searched inside the inclusion and exclusion text, such as a lab threshold or a mutation. Claude gets back the trials that fit.
analyze_endpoints
Compares outcome measures in two modes. Give it one NCT identifier and it lists that trial's endpoints; give it a condition and it surfaces the patterns that recur across many studies in that area.
search_investigators
Finds principal investigators and research sites working in a therapeutic area, with their roles, institutions, locations and the trials attached to each name. Useful for site selection and for checking who already leads studies in a field.
search_trials
The main entry point of the connector. It looks up studies by condition, drug or treatment, location, sponsor, recruitment status and phase, and Boolean operators plus medical synonyms widen or narrow the query.
search_by_sponsor
Collects every study funded by one company or institution, filterable by condition and phase. Its tutorial presents it as the tool for pipeline analysis and competitive intelligence.
What Claude asks before acting
By default, Claude stops and asks for your go-ahead before each action it takes on an account for you. Every tool here is marked read-only on the server's own tool list.
On Team and Enterprise workspaces, owners decide whether members may let some actions through without being asked again each time. They can also limit what a connector may do for the whole organization, for instance keeping reading open and closing writing, and nobody overrides that choice from their own account. Finally, Claude works with the rights of the person who connected it and nothing beyond them: what you cannot reach yourself, it cannot reach either.
Which plans include it
None of the 819 sheets in the official directory shows availability by plan. Connector by connector, that answer is published nowhere: it is a real gap in the catalogue.
What is published is the general rule: remote connectors are open to all users on Claude, Cowork, Claude Desktop and mobile. On Team and Enterprise, an Owner or Primary Owner turns the connector on for the organization before each member connects. For the current state of this one, check its sheet in the official directory, the only place that shows it.
Where this connector stops
A connector is not an automation. Claude calls these tools while it answers you; nothing fires when a trial is registered or updated.
The tool list is an observed floor, not a promise: an administrator can open actions that no public sheet shows. The verification badge is not a security audit either, and Anthropic states on every sheet that it does not control which tools a publisher exposes. Here the publisher is Anthropic itself, and its tutorial is the only documentation of the connector. To compare with a partner-built one, see the Claude affinity connector.
Need help connecting Clinical Trials to Claude?
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