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

Scheduling, availability, clients, billing and CRM for appointment-based services.

Autonomous AI sales: agents, signal-based prospecting, outreach, CRM — 149 tools.

AI-powered Microsoft Dynamics 365 partner discovery and evaluation. Search partners by product, location, industry, and review scores. Get detailed partner profiles and personalized shortlist recommendations based on your project requirements (company size, budget, complexity, region). Tools: search_partners, get_partner_details, recommend_shortlist.

abm.dev — the account-based marketing API for AI agents: Search, Enrich, and Create across B2B.

OracleNet Deal Discovery Protocol — permissioned commercial matching for MCP/A2A agents.