An SMS and MMS messaging tool for Telnyx and Twilio, services that provide phone messaging APIs. It can send and read messages, follow conversations, listen for incoming texts, and manage automatic replies.

Use it to send text or picture messages, read inboxes, view threads, monitor incoming messages, list phone numbers, or process automatic replies.

It removes the need to call each provider's messaging API directly. Conversation and listener scripts help handle both one-off messages and incoming texts.

sms — Skill for Claude Code and Codex by tdimino

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 tdimino/claude-code-minoan --skill sms

Clone the repo

git clone --depth 1 https://github.com/tdimino/claude-code-minoan

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/tdimino/claude-code-minoan/sms/github.svg)](https://agentmods.dev/skills/tdimino/claude-code-minoan/sms)

Your own site

<a href="https://agentmods.dev/skills/tdimino/claude-code-minoan/sms"><img src="https://agentmods.dev/badge/skills/tdimino/claude-code-minoan/sms/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/tdimino/claude-code-minoan/sms"><img src="https://agentmods.dev/badge/skills/tdimino/claude-code-minoan/sms.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 67 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 4,165 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits

NVIDIA SkillSpector pass 7 Sept 2026

How audits are shown

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.

Model	Per session	Once invoked
Fable 5.1	$0.00067	$0.04165
Opus 5	$0.00034	$0.02083
Sonnet 5	$0.00013	$0.00833
Haiku 4.5	$0.00007	$0.00417

Measured 8d ago against content hash 1df18edbde14, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

sms 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 8d ago.

The scan reads SKILL.md. This mod also ships 11 executable files (scripts/_sms_utils.py, scripts/sms_conversation.py, scripts/sms_inbox.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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/integration-automation/sms/SKILL.md · 419 lines

How it starts

The opening of the file, as written. The whole thing — 419 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SMS Skill

Send SMS/MMS, read inboxes, auto-reply as Claudius, and view conversation threads via Telnyx (2 numbers) and Twilio (6 numbers).

When to Use This Skill

Sending a text message to any phone number
Reading recent SMS messages (inbox)
Listening for real-time inbound messages (two-way SMS)
Auto-replying to inbound SMS as Claudius (soul-aware responses)
Viewing a conversation thread with a specific number
Listing available phone numbers across providers
Sending MMS with image attachments

Prerequisites

Requires requests (uv pip install --system requests).

Credentials are loaded automatically:

Telnyx: TELNYX_API_KEY env var, or falls back to ~/.claude.json (already configured)
Twilio: TWILIO_ACCOUNT_SID + TWILIO_AUTH_TOKEN env vars, or falls back to hardcoded defaults

Quick Start

# Send a text
python3 ~/.claude/skills/sms/scripts/sms_send.py "+19175551234" "Hello from Claude"

# Read recent messages
python3 ~/.claude/skills/sms/scripts/sms_read.py -n 10

# View conversation with someone
python3 ~/.claude/skills/sms/scripts/sms_conversation.py "+19175551234"

# List all available numbers
python3 ~/.claude/skills/sms/scripts/sms_numbers.py

# Start real-time listener (background)
python3 ~/.claude/skills/sms/scripts/sms_listen.py --bg

# Check inbound messages
python3 ~/.claude/skills/sms/scripts/sms_inbox.py

Available Scripts

1. sms_send.py — Send SMS/MMS

python3 ~/.claude/skills/sms/scripts/sms_send.py TO "MESSAGE" [OPTIONS]

Flag	Description
`--from NUMBER`	Send from a specific number (auto-detects provider)
`--provider telnyx\|twilio`	Force a specific provider
`--media URL`	Attach media for MMS

Examples:

# Send via Telnyx (default)
python3 ~/.claude/skills/sms/scripts/sms_send.py "+19175551234" "Meeting at 3pm"

# Send from a Twilio number
python3 ~/.claude/skills/sms/scripts/sms_send.py "+19175551234" "Hello" --from "+18508058037"

# Send MMS with image
python3 ~/.claude/skills/sms/scripts/sms_send.py "+19175551234" "Check this" --media "https://example.com/photo.jpg"

Read the full file on GitHub · 419 lines

Files

What ships with it

12 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

8d ago First seen · 419 lines · 67 tokens per session scan A 1df18edbde14

Subscribe to this mod's changes

sms is a skill published in the GitHub repository tdimino/claude-code-minoan (41 stars, last pushed yesterday), licensed MIT. It adds 67 tokens to every session and 4,165 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 2026-09-03.

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