phone

phone is a skill for Claude Code, Codex from BlockRunAI/blockrun-mcp. It costs 66 tokens per session (2,149 once invoked), scanned A, original, MIT.

A phone-number and outbound voice-call service. It can inspect number details, provide US or Canadian numbers, and place scheduled or follow-up calls using an AI voice service.

In plain words
What is it for?
Looking up a number's carrier or line type, checking SIM-swap or call-forwarding fraud signals, renting a US or Canadian number, and making AI calls for tasks such as appointment confirmation.
Why use it?
It groups phone intelligence, number provisioning, and automated calling in one pay-per-call workflow. Phone numbers must use the international E.164 format.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/blockrunai/blockrun-mcp/phone
Any agent
npx skills add BlockRunAI/blockrun-mcp --skill phone
Clone the repo
git clone --depth 1 https://github.com/BlockRunAI/blockrun-mcp

Made for: Claude Code, Codex.

Its marketplace also offers this one on its own, as the plugin phone/plugin install phone after adding the marketplace above.

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 phone

README.md
[![agentmods](https://agentmods.dev/badge/skills/blockrunai/blockrun-mcp/phone.svg)](https://agentmods.dev/skills/blockrunai/blockrun-mcp/phone)
Your own site
<a href="https://agentmods.dev/skills/blockrunai/blockrun-mcp/phone"><img src="https://agentmods.dev/badge/skills/blockrunai/blockrun-mcp/phone.svg" alt="Measured on agentmods" height="20"></a>
Per session 66 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,149 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00066 $0.02149
Opus 5 $0.00033 $0.01074
Sonnet 5 $0.00013 $0.00430
Haiku 4.5 $0.00007 $0.00215

Measured 5d ago against content hash 679ba785d302, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

phone scanned grade A with 0 findings 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 5d 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/phone/SKILL.md · 177 lines

How it starts

The opening of the file, as written. The whole thing — 177 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Phone & Voice

Two namespaces in one tool: /v1/phone/* for number intelligence + provisioning, /v1/voice/* for outbound AI calls. Pay per call in USDC.

Phone numbers use E.164 format+ followed by country code and subscriber digits (US: +1 + 10 digits; UK: +44 + 10 digits; etc.). The examples below use <+E.164-number> as a placeholder — the LLM should substitute the actual number from the user's request, not copy the literal placeholder.

How to Call from MCP

const targetNumber = "<+E.164-number-from-user>"  // e.g. user said "call my doctor at 415-..."

// Lookup carrier + line type
blockrun_phone({ path: "phone/lookup", body: { phoneNumber: targetNumber } })

// Buy a 30-day US number
blockrun_phone({ path: "phone/numbers/buy", body: { country: "US", areaCode: "415" } })

// Outbound AI call (requires `from` — see below)
const r = await blockrun_phone({ path: "voice/call", body: {
  to: targetNumber,
  from: "<+E.164-number-you-own>",       // from phone/numbers/buy
  task: "Confirm appointment for Friday at 3pm with Dr. Wong.",
  voice: "june"
}})
// poll the result (free GET, no body)
blockrun_phone({ path: `voice/call/${r.call_id}` })

Endpoint Catalog

Phone intelligence + numbers (/v1/phone/*)

Path Body Price Effect
phone/lookup { phoneNumber } $0.0110 Carrier, line type (mobile/landline/VoIP)
phone/lookup/fraud { phoneNumber } $0.0510 + SIM-swap signals, call-forwarding detection
phone/numbers/buy { country?: "US"|"CA", areaCode? } $5.001 30-day lease, US or CA
phone/numbers/renew { phoneNumber } $5.001 Extend lease 30 days
phone/numbers/list {} $0.0020 Your wallet-owned numbers
phone/numbers/release { phoneNumber } free Return to pool

Outbound AI calls (/v1/voice/*)

Path Method Body Price
voice/call POST { to, task, from, voice?, max_duration?, language?, first_sentence?, wait_for_greeting? } $0.5410 flat
voice/call/{call_id} GET (no body) free poll

Read the full file on GitHub · 177 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. 5d ago First seen · 177 lines · 66 tokens per session scan A 679ba785d302

Subscribe to this mod's changes

phone is a skill published in the GitHub repository BlockRunAI/blockrun-mcp (393 stars, last pushed 2d ago), licensed MIT. It adds 66 tokens to every session and 2,149 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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