call4me blog
notes on AI agents that make phone calls for you.
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Alaska Airlines customer service: how to reach a person
Call 1 800 252 7522 for Alaska Airlines reservations. We reached a person at 12:44 after its virtual assistant offered a transfer. Hear the call and find the right contact for your trip.
OCT 22 / Nick Khami
How to make phone calls from Cline with an MCP server
We gave the Cline CLI call4me as a remote MCP server, ran it headless, and had it call UPS customer service. Here is the setup that keeps the API key out of Cline's settings, the two things that stop a headless run partway through a call, and what the call actually got.
OCT 16 / Nick Khami
How to make phone calls from the Claude Agent SDK with MCP
We built a small agent with Anthropic's Claude Agent SDK, connected call4me as a remote MCP server, and had it call the Social Security Administration. Here are the query() options that keep the key in an environment variable, the permission settings a headless agent needs, the turn budget for a long hold, and what the call actually got.
OCT 16 / Nick Khami
How to make phone calls from a Mastra agent with MCP
We connected a Mastra agent to call4me with MCPClient, made it ask before dialing, and had it call Fabletics customer service. Here is the script, the one schema setting OpenAI models need, and what the call actually got.
OCT 16 / Nick Khami
How to make phone calls from the OpenAI Agents SDK with MCP
The OpenAI Agents SDK connects to remote MCP servers two ways. Point either one at call4me and an agent can call a business, wait on hold, and report what actually happened. Here is the script we ran, the two settings that break long calls if you leave them at their defaults, and the real call it made.
OCT 16 / Nick Khami
How to make phone calls from OpenCode with a remote MCP server
We added call4me to OpenCode as a remote MCP server, ran it headless with opencode run, and had it call Pottery Barn customer service. Here is the opencode.json that keeps the API key out of the file, how permissions behave in headless runs, the line that kept it following the call, and what the call actually got.
OCT 16 / Nick Khami
Expedia customer service 24 hours: reach a live person at 1-866-310-5768
We called Expedia's support line with general questions for this guide. It asks for an itinerary number and hangs up if you don't have one, unless you press 0. Here are the key presses that got us to an agent, what she said, and the full recording.
OCT 16 / Nick Khami
Airbnb customer service number: how to reach a live person
We called Airbnb's support line twice with general questions for this guide. Here are the key presses that got us to a person, what the representative said about last minute host cancellations and refunds, and the full recordings.
OCT 16 / Nick Khami
Progressive customer service: how to reach a person
We called Progressive's general customer service line with general questions and no policy. Saying we wanted a quote on a new policy got a live agent on the line 1 minute 30 seconds in. Here is the phone tree, what the agent said about callbacks, hours and getting a quote by phone, and the full recording.
OCT 16 / Nick Khami
JetBlue customer service: how to reach a person
We called 1-800-JETBLUE with general questions and no booking. We skipped the birthday prompt, said "booking a flight", and a crew member answered 1 minute 27 seconds in. Here is the phone tree, what we were told about callbacks, hours and cancelled flights, and the full 6 minute recording.
OCT 16 / Nick Khami
Wells Fargo customer service: how to reach a person without an account number
We called Wells Fargo's general banking line without a card or account number to see if a person would pick up. Here is the phone tree, the words that got us through, what the representative told us, and the full 5 minute recording.
OCT 16 / Nick Khami
Bank of America customer service: how to reach a person without an account number
We called Bank of America's main number without a card or account number to see if a person would pick up. Here is the phone tree, the phrase that got us through, what the representative told us, and the full 5 minute recording.
OCT 16 / Nick Khami
recommendations
- Anthropic engineering - how Claude Code and agent tools are built, from the people building them.
- Simon Willison's weblog - daily, careful notes on what LLM tooling actually does.
- Latent Space - the AI engineer newsletter and podcast.
- The Cloudflare blog - agent readiness, MCP, and the plumbing of the agentic web.
- Stripe blog - machine payments and how agents pay for things.
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