call4me blog
notes on AI agents that make phone calls for you.
Superintelligence Calling Index: compare personal superintelligence phone calling tools, hear the evidence and download the dataset.
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47 posts matching "appointment booking". clear
Check Walmart oil change prices and local availability before you go
Check the published menu, then ask your AI assistant to confirm the total for your car. Our real calls show why the source of a quote matters.
OCT 7 / Nick Khami
Costco eye exam cost: let your AI agent get local quotes
Let your existing AI assistant call nearby Costco optometrists and bring back a price comparison. Hear the real call that returned a $99 glasses exam quote.
OCT 6 / Nick Khami
How to use Meta Muse for your first informational phone call
Hear Muse use call4me to ask a library about laptop seating, outlets and guest WiFi. Includes the actual recording, a bounded call brief and the limits of the answers.
OCT 5 / Nick Khami
Schedule phone calls from Claude Code or Codex for tomorrow
Give your agent the full brief now, let call4me keep the schedule, and retrieve the result in a later session. Here are the tools, time formats and dated schedule records we checked.
OCT 4 / Nick Khami
How to make phone calls from Claude Code with MCP
Give the Claude Code session you already use a phone. We connected a real account, checked its balance, and asked Claude to call a restaurant during private dining research. Here is the setup, the actual tool sequence, and what the voicemail did and did not answer.
OCT 3 / Nick Khami
How to make phone calls from Codex with MCP
Give Codex a calling tool, keep your credentials out of the prompt, and bring phone answers back into the research it is already doing.
OCT 3 / Nick Khami
Have your AI agent research and call SF private dining rooms
We used Codex to research and call Waterbar and EPIC Steak, plus a separate Claude Code call to Foreign Cinema. Here is what the websites answered, what the calls added, and what stayed unknown.
OCT 3 / Nick Khami
Phone calling MCP servers for Claude Code and Codex: which setup fits your agent?
Compare call4me, Vapi Agent Phone, Bland, ClawCall, Cocall, and Patter by account setup, calling workflow, and the evidence your agent gets back.
OCT 3 / Nick Khami
Cascaded voice stack vs GPT Live for phone calling agents
What changes when a phone agent hears and speaks directly, delegates work to a separate reasoner, and has to get through a real phone menu.
OCT 3 / Nick Khami
How to find a new primary care doctor with an out-of-state plan (15 recorded calls)
A call4me user in Baltimore needed a new primary care doctor and had an out-of-state Blue Cross Blue Shield PPO. Their AI phone assistant called 10 practices. Here's who was taking new patients, who took the plan, how far out the first opening was, a $2,121 surprise, and all 15 recordings.
OCT 1 / Nick Khami
OpenAI realtime voices on a real phone call: marin vs cedar vs gleam vs meridian
Hear marin, cedar, gleam and meridian in five languages, then inspect repeated calls captured at the receiving end. We test dates, times, reference codes and corrections, with the recordings and transcription disagreements included.
SEP 30 / 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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