Overview
Happenstance connects a user's Gmail, LinkedIn, X, calendar and contacts into one searchable network graph, then answers plain-language queries about who they already know and how to reach them. Content marketers use it to find sources, expert quotes, podcast hosts and guest-post editors through a warm introduction rather than cold outreach.
Key Features
- ✓Natural-language search across a personal network graph
- ✓Connects Gmail, LinkedIn, X, calendar and contacts
- ✓Warm-path results naming the mutual connection
- ✓REST API and official MCP server
- ✓hpn command-line tool via Homebrew, pip or uv
Works with AI agents
Official MCPHappenstance MCP is an official hosted server at happenstance.ai/mcp with OAuth sign-in. It searches your network and runs person research, and both use credits. Vendor docs →
What a content marketer uses it for: Find people in your network at a target publication or brand and pull a profile before you pitch a guest post or co-marketing deal.
Checked against the vendor's docs on 2026-10-13.
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