CALL.TEXT.EMAIL.

$ # install & claim a number in under 5 minutes
$ brew install hail-hq/tap/hail

  ↳ hail-cli 0.4.1 installed
  ↳ authenticated as sam@acme.dev
  ↳ number claimed: +1 (415) 555-0181
  ↳ inbox ready:   agent@you.hail.so

# place a call on behalf of your agent
$ hail call \
    --to +14155559932 \
    --say "rebook Thursday appt for 3:30"
  ringing … connected
  transcript → stdout

# send an SMS
$ hail sms --to +14155554477 "on my way"

# send an email
$ hail mail --to ops@acme.co \
    --subject "Q3 terms" \
    --body "Please see attached…"

$ hail tail   # every channel, every agent

# mcp.json — works with Claude, ChatGPT, Gemini,
# Cursor, Cline, Zed, any MCP client
{
  "mcpServers": {
    "hail": {
      "url": "https://mcp.hail.so/sse",
      "token": "hl_live_•••••••••"
    }
  }
}

# OUTBOUND tools: hail.call, hail.sms, hail.email
# INBOUND  tools: hail.listen, hail.thread, hail.inbox
# SHARED   tools: hail.number, hail.transcript

$ pip install hail-sdk

# ------------------------------------------------
# agent.py
# ------------------------------------------------
import hail
from hail import Agent

agent = Agent(number="+14155550181")

# INBOUND — someone calls your number
@agent.on_call
def answer(call):
    call.say(llm(call.transcript))

# INBOUND — someone texts your number
@agent.on_sms
def reply(msg):
    msg.reply(llm(msg.text))

# OUTBOUND — agent reaches out on its own
def follow_up(lead):
    agent.call(to=lead.phone, say="Hi, this is Ada…")
    agent.sms(to=lead.phone,  text="Missed you — text back?")
    agent.mail(to=lead.email, subject="Follow-up", body="…")

agent.serve()