When to Use

Use this tool when you need to lightweight search returning only nct ids and minimal metadata for discovery.

this tool performs a lightweight search that returns only the nct ids and minimal metadata for the purpose of discovering relevant trials.

input:

• conditions: a list of medical conditions to search for.
• interventions: a list of interventions or treatments to search for.
• sponsors: a list of sponsor organizations to search for.
• terms: a list of general search terms.
• max_studies: the maximum number of studies to return. defaults to 100.. This is part of the Clinical Trials provider on xpay✦.

MCP Connection

Connect to xpay✦ to access this tool (and 11+ others):

{
  "mcpServers": {
    "xpay": {
      "url": "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
    }
  }
}

For Claude Code:

claude mcp add --transport http xpay "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"

How to Execute

Use the xpay✦ meta-tools to run this tool:

1. xpay_details — Get full input schema: xpay_details("clinical-trials/search_trials_nct_ids_only")
2. xpay_run — Execute: xpay_run("clinical-trials/search_trials_nct_ids_only", { ...inputs })

Input Parameters

Pricing

• Cost: $0.01/call
• Balance check: Use xpay_balance to check remaining credits
• Get your API key at xpay.tools — $5 free credits included

Related Skills

• Clinical Trials (all tools) — 12 tools
• Search Trials By Condition — $0.01/call
• Search Trials By Intervention — $0.01/call
• Search Trials By Sponsor — $0.01/call
• Search Trials By Acronym — $0.01/call
• Search Trials By Nct Ids — $0.01/call

Links

• Tool page: https://xpay.tools/clinical-trials/search-trials-nct-ids-only/
• Provider: https://xpay.tools/clinical-trials/
• All tools: https://xpay.tools/explore