Twilio for AI provides coding agents with skills and an MCP server for using Twilio services and documentation. The MCP server searches Twilio documentation and API specifications and retrieves full schemas for selected operations, while the skills supply procedural guidance to agents. Its catalogue add-ons are intended for Claude Code, Cursor, Codex, and other tools that support the Agent Skills standard.
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 twilio/ai --skill twilio-organizations-setupgit clone --depth 1 https://github.com/twilio/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/twilio/ai/twilio-organizations-setup)<a href="https://agentmods.dev/skills/twilio/ai/twilio-organizations-setup"><img src="https://agentmods.dev/badge/skills/twilio/ai/twilio-organizations-setup/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/twilio/ai/twilio-organizations-setup"><img src="https://agentmods.dev/badge/skills/twilio/ai/twilio-organizations-setup.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 | $0.00072 | $0.02070 |
| Opus 5 | $0.00036 | $0.01035 |
| Sonnet 5 | $0.00014 | $0.00414 |
| Haiku 4.5 | $0.00007 | $0.00207 |
Grade A, and why
twilio-organizations-setup 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 9d 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 — 187 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Overview
Every Twilio customer automatically gets an Organization when they sign up (auto-created since May 2024 for new signups; since June 2024 for existing paying customers). An Organization is the top-level container that groups accounts, users, and security policies. The creation has no effect on existing account functionality. Most developers never need to touch it — but as soon as you have multiple accounts, teams, or compliance requirements (SSO, HIPAA), Organization setup becomes essential.
Hierarchy: Organization > Accounts > Subaccounts
| Layer | What it is | When you need it |
|---|---|---|
| Organization | Centralized governance: users, accounts, domains, SSO | Multiple teams or accounts, SSO, HIPAA designation |
| Account | Application boundary: all Twilio products, resources, billing live here | Always — you need at least one |
| Subaccount | Isolated partition under an account: separate resources, consolidated billing | Multi-tenant apps, per-customer isolation |
Organization vs Subaccount — When to Use Which
| Dimension | Organization (Managed Accounts) | Subaccounts |
|---|---|---|
| Management | Console UI + Organizations API | REST API (/2010-04-01/Accounts) |
| Billing | Independent per account | Consolidated to parent account |
| Account limit | 10 per Organization (default) | 1 per unupgraded account; 1,000 per upgraded account (contact AE for more) |
| User management | Full lifecycle: invite, roles, SSO, SCIM | None — no user concept |
| SSO/SCIM | Supported | Not applicable |
| HIPAA designation | Per-account toggle in Admin console | Inherits from parent (new only) |
| Resource isolation | Separate accounts, separate credentials | Separate but parent can access all |
| Cost | Free | Free |
Rule of thumb: Use Organizations when different teams/users need separate billing and access control. Use Subaccounts when your application needs programmatic multi-tenant isolation with consolidated billing.
What ships with it
3 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.
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.
- 9d ago First seen · 187 lines · 72 tokens per session scan A 6358ae1d05cc
twilio-organizations-setup is a skill published in the GitHub repository twilio/ai (30 stars, last pushed 25d ago), licensed MIT. It adds 72 tokens to every session and 2,070 once invoked, about $0.0004 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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