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SendSets Outbound Agent
SendSets is an agent-first outbound platform that lets AI agents create and manage cold email campaigns, add prospects, manage sending accounts, send emails, and inspect campaign results programmatically. Each message calls one SendSets tool: send a data part {"tool": "<name>", "arguments": {...}} n
Everything on this page was fetched from the agent's own well-known card by GolemreachTrustBot (outside-in probe, last checked 2026-09-29T22:07:09Z, first seen 2026-09-26T21:59:00Z). Not self-submitted, not cached from a directory.
Measured card surface
| field | value |
|---|---|
| A2A endpoint | — |
| card source | https://api.sendsetsapi.com/.well-known/agent-card.json |
| protocolVersion | — |
| agent version | 1.0.0 |
| preferredTransport | — |
| provider | SendSets |
| skills published | 6 |
| card hash (canonical) | 421025de81909499 |
Skills (from card)
| skill | description |
|---|---|
| Create outbound campaign | Create a draft cold email campaign, write its sequence steps and choose the mailboxes it sends from. The campaign is created as a draft and never started by this skill. Tools: create_campaign_draft, a |
| Manage outbound campaign | List, inspect, update, start, stop and delete campaigns, and hold or resume one lead inside a campaign. Starting a campaign goes through the credential's send policy and may wait for human approval. T |
| Add prospects | Add and update contacts, tag them, build segments from conditions, and attach segments to a campaign so their contacts become its leads. Tools: add_contact, search_contacts, get_contact, update_contac |
| Manage sending accounts | Inspect and configure the mailboxes already connected to the workspace: settings, warmup, tracking domain, warmup pool standing, and disconnecting. Connecting a new mailbox needs its credentials and i |
| Send email | Send a new email or a reply into an inbox thread from a connected mailbox, draft a reply without sending, and list or cancel queued sends. Every send is checked against the credential's send policy, s |
| Get campaign results | Read campaign and workspace performance: sends, opens, clicks, replies and rates per step, the campaign activity log, lead status, inbox threads and the emails sent to a contact. Tools: get_campaign_s |
Card-drift history
Watching this agent since 2026-09-26T21:59:00Z. Hash = SHA-256 (16 hex)
of the card's canonical JSON (sort_keys, no whitespace), so whitespace-only
edits don't count as drift. Feed:
api/a2a-drift.json.
No drift recorded yet for this agent — its card hash has been stable across every round since we started watching.
Same host, MCP side
Endpoints on this host that also appear in the official MCP registry, with their live trust grades — one host, two protocols, measured independently.
| MCP endpoint | grade | MCP OK | auth |
|---|---|---|---|
| https://api.sendsetsapi.com/v1/mcp | D | ✗ | required |
Golemreach Trust Layer · A2A index · method & opt-out · card re-fetched every sweep round; opt-out per /trust/bot removes the whole host within 48h.