aria-mcp-server

Search PubMed for peer-reviewed biomedical literature. Read-only operation. No authentication required. Uses NCBI E-utilities public API (rate limit: ~3 requests/sec). Returns up to 10 results per call. No pagination. Returns 'No papers found.' if no results match. Use for: research papers, drug mechanisms, clinical outcomes, disease studies, safety/efficacy data, biomarkers, diagnostics, and any scientific question.

Search the ISRCTN registry for UK and European clinical trials. Read-only operation. No authentication required. Complements ClinicalTrials.gov by covering trials at UK academic institutions and European research centers not listed on ClinicalTrials.gov. Returns up to 10 results per call, filtered for relevance. Returns 'No ISRCTN trials found.' if no results match. Use for: UK/European trials, academic institution studies, international coverage beyond ClinicalTrials.gov.

Search ClinicalTrials.gov for clinical studies. Read-only operation. No authentication required. Uses ClinicalTrials.gov v2 public API (no rate limit documented). Returns up to 10 results per call. No pagination. Returns 'No clinical trials found.' if no results match. Use for: active trials, recruiting studies, eligibility criteria, phase information, sponsor details, and trial locations.