"Free PostgreSQL Database Solutions" matching MCP connectors:
Matching Connector Tools:
Structured aquarium, marine, terrarium and paludarium data for AI agents.
Uphealth Signal turns federally-sourced (CDC/NIH/MedlinePlus) health facts, lists, and tips into agent-callable cued-stream tools. Every cue is provenance-backed, audience-safety-checked, and sequenced on the patient's last response, so your AI health agent never fabricates health content. Free sandbox (Display mode): no PHI, no BAA. Not medical advice.
PubMed MCP — wraps the NCBI E-utilities API (biomedical literature, free, no auth)
PomBase MCP — the fission yeast (Schizosaccharomyces pombe) model-organism database.
GBIF MCP — wraps the Global Biodiversity Information Facility API v1 (free, no auth)
ClinicalTrials MCP — wraps ClinicalTrials.gov API v2 (free, no auth)
UniProt MCP — protein sequence + function database.
Paleobiology Database (PBDB) MCP — the global fossil record. Keyless.
WikiPathways MCP — open community pathway database.
PubChem MCP — NIH chemistry compound database (no auth)
Free CMS enrollment and revalidation evidence with pay-per-result automation and Roster Watch terms.
Query STRING interactions, enrichment, annotations, homology, and PPI networks.
Rhea MCP — expert-curated database of biochemical reactions.
Free oncology data (research, trials, FDA approvals, news) plus IBM MAMMAL biomedical predictions.
RxNorm MCP — wraps the NLM RxNav REST API (free, no auth)
100+ agent-payable C-suite expertises with x402 micro-payments — competitive intel, SEC filings, sanctions, KYC, clinical evidence, real estate, ESG. 183 tools, free tier 100 calls/month.
Condition-aware ingredient & product safety intelligence for agents: verdict + evidence tier + per-claim evidence_state (cited = ≥1 verified citation / referenced = sourced-but-unverified) + citations, across breastfeeding, pregnancy, histamine/MCAS, rosacea, HS, allergy, fertility, and toddler lenses. Includes validate_claim to fact-check a free-text health claim against curated cited sources.