Crustdata
Real-time B2B data API for people and company enrichment with native MCP.
Harmonic
Startup discovery API and MCP for company intelligence, founder research, and deal sourcing.
API & MCP Analysis
For AI-native operators choosing between Crustdata and Harmonic, the decision comes down to API accessibility and how easily your agent can interface with each tool.
Both Crustdata and Harmonic support MCP (Model Context Protocol), meaning you can connect either directly to Claude, Cursor, or other AI agents without writing custom integration code.
"Claude, use Crustdata to find 20 Series A SaaS companies in Austin with headcount growth over 20% and enrich their CEO's contact info."
"Claude, use Harmonic to find startups in the AI infrastructure space founded by engineers from Google and Meta with less than $100M in total funding."
Support & Guidance