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 team-telnyx/ai --skill telnyx-cligit clone --depth 1 https://github.com/team-telnyx/aiWrote 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/team-telnyx/ai/telnyx-cli)<a href="https://agentmods.dev/skills/team-telnyx/ai/telnyx-cli"><img src="https://agentmods.dev/badge/skills/team-telnyx/ai/telnyx-cli/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/team-telnyx/ai/telnyx-cli"><img src="https://agentmods.dev/badge/skills/team-telnyx/ai/telnyx-cli.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00052 | $0.00791 |
| Opus 5.5 | $0.00021 | $0.00316 |
| Sonnet 5.5 | $0.00010 | $0.00158 |
| Haiku 4.5 | $0.00005 | $0.00079 |
Grade A, and why
telnyx-cli 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 1mo 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 — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Telnyx CLI
The Telnyx CLI provides command-line access to the entire Telnyx API. Every API endpoint maps to a CLI command — 946 commands covering messaging, voice, numbers, IoT, AI, and more.
Installation
# Homebrew (macOS/Linux)
brew install telnyx/tap/telnyx
# Go install
go install github.com/team-telnyx/telnyx-go/cmd/telnyx@latest
# Or download a binary from GitHub releases:
# https://github.com/team-telnyx/telnyx-go/releases
Authentication
export TELNYX_API_KEY="KEY..."
The CLI reads TELNYX_API_KEY from your environment. Set it once in your shell profile.
Command Discovery
The CLI is fully self-documenting. Use --help at any level to explore:
# Top-level resource list
telnyx --help
# Commands for a specific resource
telnyx messages --help
# Full usage for a specific command
telnyx messages create --help
Command Structure
Commands follow a consistent pattern:
telnyx <resource> <action> [--flag value ...]
Resources match API paths. Actions are list, create, get, update, delete, and resource-specific verbs.
Common Operations
Send an SMS
telnyx messages create \
--from +15551234567 \
--to +15559876543 \
--text "Hello from the CLI"
List phone numbers
telnyx phone-numbers list --page-size 25
Search for available numbers
telnyx available-phone-numbers list \
--country-code US \
--state CA \
--features sms
Order a phone number
telnyx number-orders create \
--phone-numbers +15551234567
Make an outbound call
telnyx calls create \
--connection-id 1234567890 \
--from +15551234567 \
--to +15559876543
List SIM cards
telnyx sim-cards list --page-size 10
Create an AI assistant
telnyx assistants create \
--name "Support Agent" \
--model telnyx_ai
Check account balance
telnyx balance get
Output Formats
# Default: human-readable table
telnyx phone-numbers list
# JSON output for scripting
telnyx phone-numbers list --format json
# Pipe to jq for filtering
telnyx phone-numbers list --format json | jq '.data[].phone_number'
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.
- 1mo ago First seen · 152 lines · 52 tokens per session scan A 99cf17920173
telnyx-cli is a skill published in the GitHub repository team-telnyx/ai (224 stars, last pushed yesterday), licensed MIT. It adds 52 tokens to every session and 791 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-09-05.
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