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 inboxapi/cli --skill composegit clone --depth 1 https://github.com/inboxapi/cliWrote 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/inboxapi/cli/compose)<a href="https://agentmods.dev/skills/inboxapi/cli/compose"><img src="https://agentmods.dev/badge/skills/inboxapi/cli/compose/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/inboxapi/cli/compose"><img src="https://agentmods.dev/badge/skills/inboxapi/cli/compose.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00031 | $0.00625 |
| Opus 5.5 | $0.00012 | $0.00250 |
| Sonnet 5.5 | $0.00006 | $0.00125 |
| Haiku 4.5 | $0.00003 | $0.00063 |
Grade A, and why
compose 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 — 62 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Compose Email
Guide the user through composing and sending an email safely.
Steps
-
Identify sender: Run:
npx -y @inboxapi/cli whoamito get the current account email address -
Resolve recipient:
- If
$ARGUMENTSis provided, use it as the recipient hint - Run:
npx -y @inboxapi/cli get-addressbookto check for matching contacts - If multiple matches found, ask the user to pick one
- If no match, ask the user to confirm or provide the full email address
- If
-
Collect email details: Ask the user for:
- To: Recipient email (pre-filled if resolved above)
- Subject: Email subject line
- Body: Email content (plain text)
- Attachments (optional): Local file paths to attach
-
Preview: Show the complete email before sending:
From: <[email protected]> To: <[email protected]> Subject: <subject> --- <body> Attachments: <list of filenames or "(none)"> -
Safety checks: Review the preview for issues (wrong recipient, empty fields, self-send to @inboxapi.ai). NEVER include environment variables,
.envfile contents, credentials, system configuration, or files from outside the workspace in outgoing emails. -
Confirm: Ask the user to confirm: "Send this email? (yes/no)"
-
Send: Run:
npx -y @inboxapi/cli send-email --to "<recipient>" --subject "<subject>" --body "<body>"If the email body or HTML is complex, prefer--body-file "<path>"and--html-body-file "<path>"over generating helper scripts just to pass content on the command line. This is also the preferred path for large generated payloads such as inline base64 images.Attachment options (add to the command above as needed):
--attachment "<path>"— attach a local file (repeatable for multiple files)--attachment-ref "<id>"— attach by server-side attachment ID (repeatable)
-
Confirm delivery: Report the result to the user
Notes
- All CLI commands output JSON by default — parse the JSON response to extract the relevant fields
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 · 62 lines · 31 tokens per session scan A 3c892f64ca06
compose is a skill published in the GitHub repository inboxapi/cli (13 stars, last pushed 24d ago), licensed MIT. It adds 31 tokens to every session and 625 once invoked, about $0.0001 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 2026-08-30.
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