Transport — Messaging channels
Email (SMTP/IMAP)
Human-facing chat and mail channels agents speak. The oldest interoperable messaging transport — agents get an address, parse threads, and reply over SMTP/IMAP. agentmail.to ↗
Who speaks it
Agents on this wire (15)

Alice
11x · digital-employee
Ava
Artisan · digital-employee

Piper
Qualified · digital-employee
Sierra
Sierra · digital-employee

Decagon
Decagon · digital-employee
Fin
Intercom · digital-employee
Lindy
Lindy · digital-employee

Juicebox (PeopleGPT)
Juicebox · digital-employee
ChatGPT Agent
OpenAI · computer-use
ChatGPT Deep Research
OpenAI · research-agent

Gemini Deep Research
Google · research-agent
AgentMail
AgentMail · agent-services
Extended matrix — 3 more
80/20 preview
Transport table
| Agent | Vendor | Category |
|---|---|---|
| Alice Alice is 11x's AI SDR: she researches accounts, writes outbound sequences across email and LinkedIn, and books meetings — with sibling agent Julian handling inbound phone calls. | 11x | digital-employee |
| Ava Ava is Artisan's AI BDR: she mines a large contact database, personalizes outbound at scale, and manages replies through to booked meetings. | Artisan | digital-employee |
| Piper Piper is Qualified's inbound AI SDR: she greets and qualifies website visitors in chat, works target accounts, and routes or books meetings against your CRM. | Qualified | digital-employee |
| Sierra Sierra is the customer-service AI employee for large consumer brands: it resolves support conversations across chat and voice, takes actions in business systems, and bills on outcomes. | Sierra | digital-employee |
| Decagon Decagon builds autonomous customer-support agents that resolve chats, emails, and calls for mid-market and enterprise brands, with engineering-grade tooling for the ops team behind them. | Decagon | digital-employee |
| Fin Fin is Intercom's AI support agent: it answers customer questions from your help content, resolves conversations end-to-end, and charges only when it resolves. | Intercom | digital-employee |
| Lindy Lindy is the build-your-own-employee platform: no-code agents that handle email triage, scheduling, meeting notes, CRM updates, and custom back-office workflows. | Lindy | digital-employee |
| Juicebox (PeopleGPT) Juicebox (PeopleGPT) is the recruiting AI employee: it searches candidate pools in natural language, runs outbound outreach, and ranks talent against your rubric. | Juicebox | digital-employee |
| ChatGPT Agent ChatGPT Agent is OpenAI's hosted computer-use mode — the Operator lineage: it spins up a managed browser, works through multi-step web tasks, and can take actions after confirmation. | OpenAI | computer-use |
| ChatGPT Deep Research ChatGPT Deep Research is OpenAI's research-agent mode: a prompt becomes a 5–30 minute browsing run that returns a cited report — now also reachable via API as a deep-research model. | OpenAI | research-agent |
| Gemini Deep Research Gemini Deep Research is Google's research-agent mode: it plans a multi-step search, fans out across the web, and delivers a structured report — with tight integration into Workspace docs and Drive. | research-agent | |
| AgentMail AgentMail is email infrastructure for agents — API-created inboxes, sending, and parsing that give an agent a durable, interoperable address for agent-to-agent and agent-to-human communication. | AgentMail | agent-services |