inkbox-onboarding

inkbox-onboarding is a skill for Claude Code from inkbox-ai/inkbox. It costs 46 tokens per session (2,788 once invoked), scanned A, original, MIT.

A setup workflow for an existing Inkbox identity, where Inkbox provides software agents with communication channels such as email, SMS, iMessage, and calls. It also covers inbound message handling and recurring conversation checks after an API key exists.

In plain words
What is it for?
Use it to inspect an identity, prepare requested communication channels, provision or configure them with confirmation, test each channel, set up inbound handling, and plan recurring inbox or conversation triage.
Why use it?
It prevents assuming that one working channel means all requested channels are ready. It also adds consent checks, bounded tests, delivery verification, and a deliberate choice between polling and signed webhooks for incoming events.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter.

Part of the inkbox plugin — 9 skills shipped together

Good fit Use it to inspect an identity, prepare requested communication channels, provision or configure them with confirmation, test each channel, set up inbound handling, and plan recurring inbox or conversation triage.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/inkbox-ai/inkbox/inkbox-onboarding
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 inkbox-ai/inkbox --skill inkbox-onboarding
Clone the repo
git clone --depth 1 https://github.com/inkbox-ai/inkbox

Made for: Claude Code.

Or install inkbox, the plugin that ships this one along with the rest of its 9 skills.

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 inkbox-onboarding

README.md
[![agentmods](https://agentmods.dev/badge/skills/inkbox-ai/inkbox/inkbox-onboarding/github.svg)](https://agentmods.dev/skills/inkbox-ai/inkbox/inkbox-onboarding)
Your own site
<a href="https://agentmods.dev/skills/inkbox-ai/inkbox/inkbox-onboarding"><img src="https://agentmods.dev/badge/skills/inkbox-ai/inkbox/inkbox-onboarding/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.

agentmods 80×15 button for inkbox-onboarding

Your own site · 80×15
<a href="https://agentmods.dev/skills/inkbox-ai/inkbox/inkbox-onboarding"><img src="https://agentmods.dev/badge/skills/inkbox-ai/inkbox/inkbox-onboarding.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 46 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,788 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
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 159
    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.
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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00046 $0.02788
Opus 5.5 $0.00018 $0.01115
Sonnet 5.5 $0.00009 $0.00558
Haiku 4.5 $0.00005 $0.00279

Measured 20d ago against content hash 9eaa0c5f7ceb, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

inkbox-onboarding scanned grade A with 1 finding 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 20d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -sS https://inkbox.ai/api/v1/whoami \
skills/inkbox-onboarding/SKILL.md · 281 lines

How it starts

The opening of the file, as written. The whole thing — 281 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Inkbox Onboarding

Use this skill after an API key exists. If the agent still needs an account or API key, use inkbox-agent-self-signup first.

Onboarding Process

  1. Confirm which Inkbox API key and identity should be used. Never print, log, or commit the key.
  2. Inspect the authenticated principal and current identities before creating or changing anything.
  3. Check each requested channel independently. A working mailbox does not imply that SMS, calls, or iMessage are ready.
  4. Ask before provisioning a number, enabling a channel, changing inbound routing, creating a webhook, or sending test traffic.
  5. Complete any recipient-side connection or consent step.
  6. Run one bounded test per requested channel and verify the resulting record or reply instead of assuming an accepted request was delivered.
  7. Choose an inbound strategy: polling for simple agents, signed webhooks for event-driven agents, or both.
  8. Offer recurring inbox and conversation triage only after the channels are ready. Confirm cadence, channels, identities, and whether replies are allowed.

Readiness Checklist

Channel Ready when Recipient-side step
Email The identity has a mailbox None
SMS/MMS The identity has a local phone number and its SMS status is ready The recipient must text START before the first outbound message
Calls The identity has a phone number, or a supported connected shared iMessage line is selected for the call Shared-line calls require an existing iMessage connection
iMessage, shared service iMessage is enabled for the identity The person texts the runtime-provided connect @handle command to the current router number
iMessage, dedicated line iMessage is enabled and a dedicated line is attached Server-side contact policy must allow the send

Identity creation provisions a mailbox and tunnel together. A phone number is optional and must be local; do not request a toll-free number. New local numbers can remain pending while messaging registration completes, so inspect sms_status and wait for ready rather than retrying sends.

Read the full file on GitHub · 281 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. 20d ago Changed · +7 lines 9eaa0c5f7ceb
  2. 25d ago Changed · +58 lines 5fcb094749ab
  3. 1mo ago Changed · +4 lines 3904ca0a30be
  4. 1mo ago First seen · 212 lines · 46 tokens per session scan A 68f46d2fd318

Subscribe to this mod's changes

inkbox-onboarding is a skill published in the GitHub repository inkbox-ai/inkbox (103 stars, last pushed yesterday), licensed MIT. It adds 46 tokens to every session and 2,788 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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