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.
npx skills add tallclub/matimo --skill twiliogit clone --depth 1 https://github.com/tallclub/matimoWrote 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.
[](https://agentmods.dev/skills/tallclub/matimo/twilio)<a href="https://agentmods.dev/skills/tallclub/matimo/twilio"><img src="https://agentmods.dev/badge/skills/tallclub/matimo/twilio/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.
<a href="https://agentmods.dev/skills/tallclub/matimo/twilio"><img src="https://agentmods.dev/badge/skills/tallclub/matimo/twilio.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Data Exfiltration · line 83 Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
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 | $0.00027 | $0.01928 |
| Opus 5 | $0.00014 | $0.00964 |
| Sonnet 5 | $0.00005 | $0.00386 |
| Haiku 4.5 | $0.00003 | $0.00193 |
Grade A, and why
twilio 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.
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.
How it starts
The opening of the file, as written. The whole thing — 251 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Twilio
This skill teaches you how to send, track, and manage SMS and MMS messages using the Twilio Programmable Messaging API through Matimo tools.
Tools You Will Use
| Tool | Purpose |
|---|---|
twilio-send-sms |
Send a text message |
twilio-send-mms |
Send a message with media attachments |
twilio-get-message |
Check message status by SID |
twilio-list-messages |
List sent/received messages |
Sending an SMS
Use twilio-send-sms to send a text message to any phone number.
Required Parameters
| Parameter | Type | Description |
|---|---|---|
account_sid |
string | Twilio Account SID (e.g., ACxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) |
to |
string | Recipient phone number in E.164 format (e.g., +15558675310) |
from |
string | Your Twilio phone number in E.164 format (e.g., +15557122661) |
body |
string | Message text (up to 1,600 characters) |
Optional Parameters
| Parameter | Type | Description |
|---|---|---|
status_callback |
string | URL to receive delivery status webhooks |
Best Practices
- Always use E.164 format for phone numbers:
+followed by country code and number (e.g.,+14155551234). No spaces, dashes, or parentheses. - Keep SMS under 160 characters for single-segment delivery. Messages over 160 GSM-7 characters are split into segments and each is billed separately.
- Include opt-out language for marketing: "Reply STOP to unsubscribe" — required by carrier regulations.
- Use
status_callbackfor critical messages to track delivery confirmation. - Never send to unverified numbers on trial accounts — Twilio trial restricts to verified numbers only.
E.164 Phone Number Format
| Country | Example |
|---|---|
| US/Canada | +14155551234 |
| UK | +447911123456 |
| Australia | +61412345678 |
| India | +919876543210 |
Example: Simple SMS
{
"account_sid": "ACxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"to": "+15558675310",
"from": "+15557122661",
"body": "Your appointment is confirmed for tomorrow at 2pm. Reply YES to confirm or CANCEL to reschedule."
}
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 · 251 lines · 27 tokens per session scan A 435be5fe6335
twilio is a skill published in the GitHub repository tallclub/matimo (11 stars, last pushed 5d ago), licensed MIT. It adds 27 tokens to every session and 1,928 once invoked, about $0.0001 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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