"Web search services that don't require an API key" matching MCP connectors:
Matching Connector Tools:
Hosted, zero-install MCP for source-provenanced US federal healthcare provider data. Resolve any NPI or CCN across NPPES, OIG LEIE, SAM.gov, state Medicaid exclusions, PECOS, Care Compare, and Open Payments — every field carries a 14-field provenance contract, with an "excluded or compromised anywhere" check on every lookup.
Appendix turns any AI health conversation into a board-certified physician's opinion — with a real prescription when clinically appropriate. Search medical literature and submit a clinical encounter for review, all from your agent.
Search 4,130+ peer-reviewed articles on restorative reproductive medicine, with fact verification
GBIF MCP — wraps the Global Biodiversity Information Facility API v1 (free, no auth)
PubMed MCP — wraps the NCBI E-utilities API (biomedical literature, free, no auth)
MyHealthfinder MCP — U.S. preventive-services & health-screening guidance
ClinicalTrials MCP — wraps ClinicalTrials.gov API v2 (free, no auth)
Search PubChem compounds, properties, safety data, bioactivity, and cross-references.
Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms.
Search source-labeled hospital prices, CPT codes, providers, and healthcare cost estimates.
Search ClinicalTrials.gov — find studies, retrieve results, match patients to eligible trials.
Insurer denial rates, appeal outcomes by treatment and condition, and appeal rights lookups.
Deterministic CMS NCCI/MUE claim scrubbing and CARC/RARC denial explanations, cited to source.
Analyze biomarker panels with an MD-led clinical engine. Guideline-cited. Synthetic data only.
Hosted MCP server for the Healthie EHR & telehealth API: patients, appointments, charting, tasks.
Pay-per-call US healthcare data: hospital financials, prices, quality, exclusions, wages.
Read-only catalog, sequence, evidence, policy, and COA-verification lookup for an RUO supplier.
Supplement research, biomarker effects, drug interactions, and brand quality data
Hosted DNA/RNA/protein tools: primers, oligos, PCR, cloning, CRISPR, alignment, batch & pipelines.