call4me blog
notes on AI agents that make phone calls for you.
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37 posts matching "scheduling". clear
CO2 tank exchange in San Juan: Hydro Warehouse PR swaps a 20 lb tank for $50.18
A call4me customer's assistant called Hydro Warehouse PR in Spanish about a 20 lb CO2 tank, then called two local drivers to run the swap. Here is what staff said, what the drivers quoted, and all five recordings.
OCT 16 / Nick Khami
Walgreens Specialty Pharmacy phone number: the main line, and a real store call
Walgreens lists one support number for specialty pharmacy questions, and each specialty store has its own line. A call4me customer's assistant called the Sacramento store to cancel a flu shot. Here is the phone tree, what staff confirmed, and the full 3 minute recording.
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
Can ChatGPT make phone calls? Add a calling MCP server as a plugin
ChatGPT's custom MCP servers now live under Plugins. Here is how to add call4me as one, sign in with OAuth, confirm the call, and follow it to a transcript.
OCT 13 / Nick Khami
Can Claude make phone calls? Add call4me as a custom connector
Claude on the web, in Claude Desktop and in the mobile apps can place phone calls once you add a calling MCP server as a custom connector. Here are the steps from Anthropic's docs, the plan limits, and a first prompt that checks the connection before anything dials.
OCT 13 / Nick Khami
How to make phone calls from Gemini with MCP
Google now lets Gemini call some businesses for you on Pixel 11. For other calls, you can add a calling MCP server as a Gemini custom app, or connect it to Gemini CLI and Antigravity CLI. Here is what each option covers and the exact setup.
OCT 13 / Nick Khami
USPS phone number: how to talk to a real person at USPS
We called 1-800-ASK-USPS with general questions for this guide. Here is the voice menu that took 7 minutes to get through, the step that finally reached an agent, what the representative said about delivery times, missing mail, Hold Mail and scam texts, and the full 16 minute recording.
OCT 13 / Nick Khami
AI apps that make phone calls for you, compared (2026)
Google, Gemini, Meta Muse, Instinct, Pine, Mitra, Voyp, Genspark and call4me compared by what they call for, who can use them, price, and whether you can join the call.
OCT 12 / Nick Khami
Everything we've improved in call4me since launch
Scheduled calls, your own caller ID, live listening, more international calling, and improvements shaped by your first calls.
OCT 8 / Nick Khami
Pottery Barn customer service: number and what a rep said
We called Pottery Barn's customer service line to ask about order status, returns and furniture delivery. Here is the phone menu, the one phrase that got us to a person, what she said, and the full 2 minute recording.
OCT 8 / Nick Khami
How long it takes to reach a human at 59 companies (we recorded every call)
We went back through 100 customer service calls we've published to 59 companies, and timed how long each one took to reach a live person. Here is what got through, what didn't, where AI assistants and account number prompts stopped us, and the full dataset as a CSV.
OCT 8 / Nick Khami
Phone calls for Vercel AI SDK agents: the call4me tools package
call4me-ai-sdk gives an AI SDK agent a phone. It calls a business, has the conversation, waits on hold, and hands the outcome and transcript back to your code. Here is the setup, the tools, how mid-call questions work, and what happened when we ran it.
OCT 8 / 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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