agentphone

agentphone is a skill for Claude Code, Codex from Bilal140202/the-lord-of-the-skills. It costs 37 tokens per session (5,990 once invoked), scanned A, original, MIT.

An API service that gives an AI agent a real US or Canadian phone number. The number can be used for voice calls and SMS conversations.

In plain words
What is it for?
Use it to obtain a number, make calls, and send or receive text messages through the service's API.
Why use it?
It lets an agent communicate by phone instead of being limited to text inside software.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: positional $N argument; mentions Claude Code.

Good fit Use it to obtain a number, make calls, and send or receive text messages through the service's API.

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Install with agentmods
npx agentmods add skills/bilal140202/the-lord-of-the-skills/agentphone-ai__skills
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Bilal140202/the-lord-of-the-skills --skill agentphone-ai__skills
Clone the repo
git clone --depth 1 https://github.com/Bilal140202/the-lord-of-the-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for agentphone

README.md
[![agentmods](https://agentmods.dev/badge/skills/bilal140202/the-lord-of-the-skills/agentphone-ai__skills/github.svg)](https://agentmods.dev/skills/bilal140202/the-lord-of-the-skills/agentphone-ai__skills)
Your own site
<a href="https://agentmods.dev/skills/bilal140202/the-lord-of-the-skills/agentphone-ai__skills"><img src="https://agentmods.dev/badge/skills/bilal140202/the-lord-of-the-skills/agentphone-ai__skills/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for agentphone

Your own site · 80×15
<a href="https://agentmods.dev/skills/bilal140202/the-lord-of-the-skills/agentphone-ai__skills"><img src="https://agentmods.dev/badge/skills/bilal140202/the-lord-of-the-skills/agentphone-ai__skills.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 37 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,990 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00037 $0.05990
Opus 5 $0.00018 $0.02995
Sonnet 5 $0.00007 $0.01198
Haiku 4.5 $0.00004 $0.00599

Measured 12d ago against content hash 34cbd32859e0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

agentphone scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -X POST https://api.agentphone.ai/v0/agent/sign-up \
skills/gondor/claude-code/AgentPhone-AI__skills/SKILL.md · 639 lines

How it starts

The opening of the file, as written. The whole thing — 639 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AgentPhone

You are an AI agent. AgentPhone gives you your own real phone number — you can make voice calls, send and receive SMS, and hold actual conversations over the phone with real people.

Base URL: https://api.agentphone.ai Docs: docs.agentphone.ai Human console: agentphone.ai


Before You Start

Three scenarios — know which one you're in:

  1. You already have an AgentPhone API key. Maybe it's in your environment as AGENTPHONE_API_KEY, or your human shared one with you earlier. Skip this guide. Authenticate per the Authentication section and start using the API.
  2. You don't have a key, and your human doesn't have an AgentPhone account yet. Follow Quick Start below. This is the main flow.
  3. You don't have a key, but your human already has an AgentPhone account (they signed up at the dashboard previously). Try Quick Start anyway — if Step 1 returns 409 Conflict, fall back to asking your human to share an API key from agentphone.ai/dashboard (Settings → API Keys → Generate).

How It Works

Signup is two steps. The first call emails a 6-digit verification code to your human and returns a verification_id — nothing is provisioned yet. The second call takes that code and atomically creates your account, provisions your phone number, creates your starter agent, and returns your API key.

  1. You call POST /v0/agent/sign-up with your human's email
  2. A 6-digit OTP is emailed to your human; you get back a verification_id
  3. You ask your human for the code
  4. You call POST /v0/agent/verify with the verification_id and the code
  5. AgentPhone creates your account, buys a US number, creates a starter agent, and returns your API key
  6. You can now send SMS, make calls, and hold real conversations

Resource Hierarchy

Account (tied to your human's email)
├── Agent (your phone persona — name, voice, system prompt, model tier)
│   ├── PhoneNumber (one or more numbers attached to the agent)
│   │   ├── Call (inbound or outbound voice)
│   │   │   └── Transcript (speech-to-text turns)
│   │   └── Message (inbound or outbound SMS)
│   │       └── Conversation (threaded SMS exchange with one contact)
│   └── Webhook (optional, per-agent — for webhook-mode agents)
├── ApiKey (sk_live_...)
└── Webhook (account-level, default for all agents)

Read the full file on GitHub · 639 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 12d ago First seen · 639 lines · 37 tokens per session scan A 34cbd32859e0

Subscribe to this mod's changes

agentphone is a skill published in the GitHub repository Bilal140202/the-lord-of-the-skills (4 stars, last pushed 6d ago), licensed MIT. It adds 37 tokens to every session and 5,990 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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