"semantic-release" matching MCP connectors:

ProofNexa B2B and Quant Risk GateA

app.vercel.quant-b2b-risk-gate-api

Serverless 15-tool B2B email deliverability, domain security, OpenAPI breaking-change release gate, LLMO /llms.txt auditor, and quantitative trading risk MCP connector.

Email infrastructure for AI agents. Give your agent its own inbox: create inboxes, send, reply in-thread, forward, search (keyword + semantic), drafts, custom domains, webhooks and allow/block rules. 21 annotated tools. Authenticate with a SentFromAI API key (sf_live_...) as a bearer token; OAuth sign-in for hosts that support it. Free plan: 5 inboxes, 5,000 emails/month.