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Sendsets

Cold email API for AI agents: connect mailboxes, warm up, run campaigns and handle replies.

likely compatible

OAuth with discovery metadata and Dynamic Client Registration; use OAuth 2.0 → Dynamic discovery.

Rule R2c · what this means · Not tested in Copilot Studio.

Registry nameio.github.AddisonHoff/sendsets
Endpoint used for verdicthttps://api.sendsetsapi.com/v1/mcp
Transportsstreamable-http
Auth (Copilot Studio setting)OAuth 2.0 – Dynamic discovery
Last endpoint check2026-10-20T18:13:35Z · HTTP 401
GitHubAddisonHoff/sendsets
Websitehttps://sendsetsapi.com
Version1.0.0
Registry updated2026-09-26
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Is this wrong or out of date? Email us. Data built 2026-10-20.