"OpenTimestamps - Bitcoin-based timestamping protocol" matching MCP connectors:

Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for peptides.

AcuiQA

com.acuiq

Evidence-based acupuncture protocol matcher – search symptoms, match protocols, browse acupoints.

Systematic medical reviews and evidence-based healthcare research

Evidence-based plant-based food-as-medicine protocols for 47 chronic conditions. ACLM-aligned.

Evidence-based supplement research for AI assistants. Query 4,794 clinical effect edges across 290 supplements and 502 biomarkers, 765 supplement-supplement interactions, 1,634 FDA drug interactions, and 22,570 product quality scores with AviScore ratings. 8 tools: supplement and biomarker lookup, drug and supplement interactions, brand quality rankings, condition-based supplement recommendations, fuzzy search for supplements and health conditions.

MyMedi-AI Healthcare API

com.mymedi-ai

Healthcare AI: ICD-10/CPT code lookup, prior authorization prediction, FHIR NER extraction, compliance auditing, provider search, drug enrichment. Only healthcare API in the x402 ecosystem. Credit-based at $0.001/credit.